./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU --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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 23:11:08,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:11:08,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:11:08,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:11:08,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:11:08,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:11:08,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:11:08,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:11:08,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:11:08,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:11:08,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:11:08,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:11:08,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:11:08,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:11:08,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:11:08,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:11:08,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:11:08,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:11:08,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:11:08,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:11:08,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:11:08,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:11:08,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:11:08,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:11:08,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:11:08,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:11:08,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:11:08,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:11:08,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:11:08,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:11:08,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:11:08,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:11:08,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:11:08,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:11:08,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:11:08,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:11:08,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:11:08,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:11:08,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:11:08,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:11:08,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:11:08,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 23:11:08,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:11:08,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:11:08,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:11:08,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:11:08,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:11:08,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:11:08,356 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:11:08,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:11:08,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 23:11:08,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:11:08,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 23:11:08,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:11:08,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 23:11:08,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 23:11:08,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 23:11:08,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 23:11:08,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:11:08,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:11:08,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 23:11:08,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:11:08,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:11:08,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 23:11:08,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:11:08,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:11:08,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 23:11:08,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 23:11:08,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:11:08,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 23:11:08,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 23:11:08,366 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 23:11:08,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 23:11:08,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:11:08,367 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_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2021-11-02 23:11:08,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:11:08,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:11:08,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:11:08,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:11:08,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:11:08,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-02 23:11:08,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/data/b684e05bd/e67ed8cb9e3141e19f13d61e3ca4526b/FLAG482f45ae9 [2021-11-02 23:11:09,492 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:11:09,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-11-02 23:11:09,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/data/b684e05bd/e67ed8cb9e3141e19f13d61e3ca4526b/FLAG482f45ae9 [2021-11-02 23:11:09,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/data/b684e05bd/e67ed8cb9e3141e19f13d61e3ca4526b [2021-11-02 23:11:09,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:11:09,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:11:09,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:11:09,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:11:09,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:11:09,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:09" (1/1) ... [2021-11-02 23:11:09,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1042d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:09, skipping insertion in model container [2021-11-02 23:11:09,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:09" (1/1) ... [2021-11-02 23:11:09,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:11:09,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:11:10,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-02 23:11:10,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:11:10,382 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:11:10,526 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-11-02 23:11:10,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:11:10,550 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:11:10,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10 WrapperNode [2021-11-02 23:11:10,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:11:10,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:11:10,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:11:10,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:11:10,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:11:10,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:11:10,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:11:10,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:11:10,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:11:10,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:11:10,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:11:10,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:11:10,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (1/1) ... [2021-11-02 23:11:10,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:11:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:11:10,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 23:11:10,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 23:11:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:11:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 23:11:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:11:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:11:12,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:11:12,274 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-11-02 23:11:12,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:12 BoogieIcfgContainer [2021-11-02 23:11:12,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:11:12,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 23:11:12,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 23:11:12,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 23:11:12,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:11:09" (1/3) ... [2021-11-02 23:11:12,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8235958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:11:12, skipping insertion in model container [2021-11-02 23:11:12,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:10" (2/3) ... [2021-11-02 23:11:12,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8235958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:11:12, skipping insertion in model container [2021-11-02 23:11:12,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:12" (3/3) ... [2021-11-02 23:11:12,296 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2021-11-02 23:11:12,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 23:11:12,307 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-02 23:11:12,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 23:11:12,399 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 [2021-11-02 23:11:12,400 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 23:11:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-02 23:11:12,434 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:12,435 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:12,435 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:12,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1532365727, now seen corresponding path program 1 times [2021-11-02 23:11:12,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:12,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625036992] [2021-11-02 23:11:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:12,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:12,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:12,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625036992] [2021-11-02 23:11:12,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625036992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:12,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:12,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 23:11:12,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480125057] [2021-11-02 23:11:12,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 23:11:12,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:12,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 23:11:12,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 23:11:12,932 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:12,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:12,987 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-11-02 23:11:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 23:11:12,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-02 23:11:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:13,003 INFO L225 Difference]: With dead ends: 264 [2021-11-02 23:11:13,003 INFO L226 Difference]: Without dead ends: 131 [2021-11-02 23:11:13,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 23:11:13,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-02 23:11:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-02 23:11:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-11-02 23:11:13,084 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-11-02 23:11:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:13,085 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-11-02 23:11:13,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-11-02 23:11:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-02 23:11:13,088 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:13,088 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:13,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 23:11:13,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:13,090 INFO L85 PathProgramCache]: Analyzing trace with hash -70818645, now seen corresponding path program 1 times [2021-11-02 23:11:13,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:13,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581654979] [2021-11-02 23:11:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:13,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:13,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:13,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581654979] [2021-11-02 23:11:13,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581654979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:13,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:13,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:11:13,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024420171] [2021-11-02 23:11:13,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:11:13,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:13,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:11:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:11:13,226 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:13,241 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-11-02 23:11:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:11:13,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-02 23:11:13,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:13,243 INFO L225 Difference]: With dead ends: 131 [2021-11-02 23:11:13,244 INFO L226 Difference]: Without dead ends: 53 [2021-11-02 23:11:13,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:11:13,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-02 23:11:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-02 23:11:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-11-02 23:11:13,253 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-11-02 23:11:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:13,254 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-11-02 23:11:13,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-11-02 23:11:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-02 23:11:13,256 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:13,256 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:13,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 23:11:13,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:13,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1705695964, now seen corresponding path program 1 times [2021-11-02 23:11:13,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:13,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207249249] [2021-11-02 23:11:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:13,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:13,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:13,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207249249] [2021-11-02 23:11:13,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207249249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:13,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:13,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:13,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567509157] [2021-11-02 23:11:13,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:13,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:13,406 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:13,490 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-11-02 23:11:13,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:11:13,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-02 23:11:13,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:13,494 INFO L225 Difference]: With dead ends: 100 [2021-11-02 23:11:13,494 INFO L226 Difference]: Without dead ends: 53 [2021-11-02 23:11:13,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:11:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-02 23:11:13,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-02 23:11:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-11-02 23:11:13,508 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-11-02 23:11:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:13,508 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-11-02 23:11:13,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-11-02 23:11:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-02 23:11:13,509 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:13,510 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:13,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 23:11:13,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:13,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1939313638, now seen corresponding path program 1 times [2021-11-02 23:11:13,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:13,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740303058] [2021-11-02 23:11:13,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:13,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:13,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:13,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740303058] [2021-11-02 23:11:13,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740303058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:13,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:13,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 23:11:13,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536488104] [2021-11-02 23:11:13,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:11:13,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:13,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:11:13,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:11:13,581 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:13,615 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-11-02 23:11:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:11:13,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-02 23:11:13,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:13,617 INFO L225 Difference]: With dead ends: 123 [2021-11-02 23:11:13,617 INFO L226 Difference]: Without dead ends: 76 [2021-11-02 23:11:13,618 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:11:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-02 23:11:13,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-11-02 23:11:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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) [2021-11-02 23:11:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-11-02 23:11:13,645 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-11-02 23:11:13,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:13,646 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-11-02 23:11:13,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-11-02 23:11:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-02 23:11:13,648 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:13,648 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:13,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 23:11:13,649 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash -501882354, now seen corresponding path program 1 times [2021-11-02 23:11:13,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:13,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753092541] [2021-11-02 23:11:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:13,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:13,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:13,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753092541] [2021-11-02 23:11:13,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753092541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:13,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:13,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:11:13,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191692905] [2021-11-02 23:11:13,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:13,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:13,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:13,784 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-11-02 23:11:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:13,989 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2021-11-02 23:11:13,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 23:11:13,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-11-02 23:11:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:13,994 INFO L225 Difference]: With dead ends: 373 [2021-11-02 23:11:13,994 INFO L226 Difference]: Without dead ends: 305 [2021-11-02 23:11:13,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 23:11:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-02 23:11:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-11-02 23:11:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 120 states have internal predecessors, (167), 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) [2021-11-02 23:11:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2021-11-02 23:11:14,041 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2021-11-02 23:11:14,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:14,042 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2021-11-02 23:11:14,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-11-02 23:11:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2021-11-02 23:11:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-02 23:11:14,046 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:14,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:14,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 23:11:14,047 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:14,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1572928884, now seen corresponding path program 1 times [2021-11-02 23:11:14,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:14,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909113818] [2021-11-02 23:11:14,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:14,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:14,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:14,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909113818] [2021-11-02 23:11:14,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909113818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:14,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:14,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:11:14,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705633726] [2021-11-02 23:11:14,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:11:14,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:14,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:11:14,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:11:14,181 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:14,401 INFO L93 Difference]: Finished difference Result 250 states and 352 transitions. [2021-11-02 23:11:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:11:14,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-11-02 23:11:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:14,413 INFO L225 Difference]: With dead ends: 250 [2021-11-02 23:11:14,413 INFO L226 Difference]: Without dead ends: 182 [2021-11-02 23:11:14,414 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:11:14,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-02 23:11:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-11-02 23:11:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3932584269662922) internal successors, (248), 178 states have internal predecessors, (248), 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) [2021-11-02 23:11:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 248 transitions. [2021-11-02 23:11:14,453 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 248 transitions. Word has length 33 [2021-11-02 23:11:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:14,453 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 248 transitions. [2021-11-02 23:11:14,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 248 transitions. [2021-11-02 23:11:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-02 23:11:14,455 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:14,455 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:14,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 23:11:14,456 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1710921162, now seen corresponding path program 1 times [2021-11-02 23:11:14,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:14,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894483572] [2021-11-02 23:11:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:14,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:14,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:14,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894483572] [2021-11-02 23:11:14,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894483572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:14,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:14,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:11:14,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72675389] [2021-11-02 23:11:14,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:11:14,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:11:14,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:11:14,521 INFO L87 Difference]: Start difference. First operand 179 states and 248 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:14,608 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2021-11-02 23:11:14,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:11:14,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-11-02 23:11:14,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:14,612 INFO L225 Difference]: With dead ends: 497 [2021-11-02 23:11:14,612 INFO L226 Difference]: Without dead ends: 370 [2021-11-02 23:11:14,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-02 23:11:14,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 179. [2021-11-02 23:11:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 178 states have internal predecessors, (246), 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) [2021-11-02 23:11:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2021-11-02 23:11:14,640 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 33 [2021-11-02 23:11:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:14,640 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2021-11-02 23:11:14,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2021-11-02 23:11:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-02 23:11:14,642 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:14,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:14,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 23:11:14,643 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:14,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1969086600, now seen corresponding path program 1 times [2021-11-02 23:11:14,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:14,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751138037] [2021-11-02 23:11:14,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:14,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:14,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:14,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751138037] [2021-11-02 23:11:14,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751138037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:14,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:14,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 23:11:14,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545788260] [2021-11-02 23:11:14,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 23:11:14,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:14,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 23:11:14,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:11:14,734 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:14,912 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2021-11-02 23:11:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 23:11:14,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 33 [2021-11-02 23:11:14,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:14,916 INFO L225 Difference]: With dead ends: 624 [2021-11-02 23:11:14,916 INFO L226 Difference]: Without dead ends: 451 [2021-11-02 23:11:14,917 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-02 23:11:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-02 23:11:14,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 188. [2021-11-02 23:11:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 187 states have internal predecessors, (253), 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) [2021-11-02 23:11:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 253 transitions. [2021-11-02 23:11:14,947 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 253 transitions. Word has length 33 [2021-11-02 23:11:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:14,948 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 253 transitions. [2021-11-02 23:11:14,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2021-11-02 23:11:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 253 transitions. [2021-11-02 23:11:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 23:11:14,950 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:14,950 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:14,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 23:11:14,950 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash -558169663, now seen corresponding path program 1 times [2021-11-02 23:11:14,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:14,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277513786] [2021-11-02 23:11:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:14,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:15,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:15,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277513786] [2021-11-02 23:11:15,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277513786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:15,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:15,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:15,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014379335] [2021-11-02 23:11:15,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 23:11:15,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:15,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 23:11:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 23:11:15,037 INFO L87 Difference]: Start difference. First operand 188 states and 253 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-02 23:11:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:15,424 INFO L93 Difference]: Finished difference Result 1177 states and 1553 transitions. [2021-11-02 23:11:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 23:11:15,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-02 23:11:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:15,435 INFO L225 Difference]: With dead ends: 1177 [2021-11-02 23:11:15,436 INFO L226 Difference]: Without dead ends: 995 [2021-11-02 23:11:15,442 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-02 23:11:15,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2021-11-02 23:11:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 356. [2021-11-02 23:11:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3295774647887324) internal successors, (472), 355 states have internal predecessors, (472), 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) [2021-11-02 23:11:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 472 transitions. [2021-11-02 23:11:15,514 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 472 transitions. Word has length 36 [2021-11-02 23:11:15,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:15,517 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 472 transitions. [2021-11-02 23:11:15,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-02 23:11:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 472 transitions. [2021-11-02 23:11:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 23:11:15,521 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:15,521 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:15,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 23:11:15,523 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash 121888707, now seen corresponding path program 1 times [2021-11-02 23:11:15,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:15,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161270732] [2021-11-02 23:11:15,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:15,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:15,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:15,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161270732] [2021-11-02 23:11:15,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161270732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:15,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:15,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:15,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056304255] [2021-11-02 23:11:15,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:15,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:15,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:15,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:15,644 INFO L87 Difference]: Start difference. First operand 356 states and 472 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-02 23:11:15,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:15,993 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2021-11-02 23:11:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 23:11:15,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-02 23:11:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:15,999 INFO L225 Difference]: With dead ends: 930 [2021-11-02 23:11:15,999 INFO L226 Difference]: Without dead ends: 580 [2021-11-02 23:11:16,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 23:11:16,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-11-02 23:11:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 302. [2021-11-02 23:11:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.2923588039867109) internal successors, (389), 301 states have internal predecessors, (389), 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) [2021-11-02 23:11:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 389 transitions. [2021-11-02 23:11:16,065 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 389 transitions. Word has length 36 [2021-11-02 23:11:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:16,066 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 389 transitions. [2021-11-02 23:11:16,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-02 23:11:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2021-11-02 23:11:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 23:11:16,067 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:16,067 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:16,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 23:11:16,068 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:16,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash -613249401, now seen corresponding path program 1 times [2021-11-02 23:11:16,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:16,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100052994] [2021-11-02 23:11:16,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:16,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:16,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:16,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100052994] [2021-11-02 23:11:16,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100052994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:16,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:16,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 23:11:16,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151680097] [2021-11-02 23:11:16,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 23:11:16,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:16,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 23:11:16,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:11:16,178 INFO L87 Difference]: Start difference. First operand 302 states and 389 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:16,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:16,569 INFO L93 Difference]: Finished difference Result 889 states and 1138 transitions. [2021-11-02 23:11:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 23:11:16,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-02 23:11:16,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:16,575 INFO L225 Difference]: With dead ends: 889 [2021-11-02 23:11:16,575 INFO L226 Difference]: Without dead ends: 593 [2021-11-02 23:11:16,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-11-02 23:11:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-11-02 23:11:16,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 282. [2021-11-02 23:11:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 281 states have internal predecessors, (352), 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) [2021-11-02 23:11:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2021-11-02 23:11:16,632 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 37 [2021-11-02 23:11:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:16,633 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2021-11-02 23:11:16,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2021-11-02 23:11:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-02 23:11:16,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:16,635 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:16,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 23:11:16,635 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1278493487, now seen corresponding path program 1 times [2021-11-02 23:11:16,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:16,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081888660] [2021-11-02 23:11:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:16,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 23:11:16,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:16,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081888660] [2021-11-02 23:11:16,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081888660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:16,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:16,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:16,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941508936] [2021-11-02 23:11:16,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:16,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:16,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:16,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:16,706 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:16,809 INFO L93 Difference]: Finished difference Result 653 states and 819 transitions. [2021-11-02 23:11:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:11:16,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-02 23:11:16,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:16,813 INFO L225 Difference]: With dead ends: 653 [2021-11-02 23:11:16,814 INFO L226 Difference]: Without dead ends: 377 [2021-11-02 23:11:16,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:11:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-02 23:11:16,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 282. [2021-11-02 23:11:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2384341637010676) internal successors, (348), 281 states have internal predecessors, (348), 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) [2021-11-02 23:11:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2021-11-02 23:11:16,867 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 53 [2021-11-02 23:11:16,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:16,867 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2021-11-02 23:11:16,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2021-11-02 23:11:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-02 23:11:16,869 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:16,869 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:16,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 23:11:16,870 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:16,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1350880045, now seen corresponding path program 1 times [2021-11-02 23:11:16,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:16,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808053245] [2021-11-02 23:11:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:16,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 23:11:16,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:16,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808053245] [2021-11-02 23:11:16,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808053245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:16,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:16,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:11:16,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496475173] [2021-11-02 23:11:16,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:11:16,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:16,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:11:16,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:11:16,931 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:17,029 INFO L93 Difference]: Finished difference Result 600 states and 751 transitions. [2021-11-02 23:11:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:11:17,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-02 23:11:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:17,033 INFO L225 Difference]: With dead ends: 600 [2021-11-02 23:11:17,033 INFO L226 Difference]: Without dead ends: 324 [2021-11-02 23:11:17,034 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-02 23:11:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 240. [2021-11-02 23:11:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2426778242677825) internal successors, (297), 239 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2021-11-02 23:11:17,078 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 53 [2021-11-02 23:11:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:17,079 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2021-11-02 23:11:17,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:11:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2021-11-02 23:11:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-02 23:11:17,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:17,081 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:17,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-02 23:11:17,081 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1916178793, now seen corresponding path program 1 times [2021-11-02 23:11:17,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:17,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889173764] [2021-11-02 23:11:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:17,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:11:17,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:17,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889173764] [2021-11-02 23:11:17,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889173764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:17,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:17,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:11:17,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461237648] [2021-11-02 23:11:17,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:17,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:17,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:17,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:17,152 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 23:11:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:17,306 INFO L93 Difference]: Finished difference Result 612 states and 756 transitions. [2021-11-02 23:11:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 23:11:17,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-02 23:11:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:17,310 INFO L225 Difference]: With dead ends: 612 [2021-11-02 23:11:17,310 INFO L226 Difference]: Without dead ends: 378 [2021-11-02 23:11:17,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 23:11:17,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-11-02 23:11:17,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 240. [2021-11-02 23:11:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2259414225941423) internal successors, (293), 239 states have internal predecessors, (293), 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) [2021-11-02 23:11:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2021-11-02 23:11:17,353 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 54 [2021-11-02 23:11:17,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:17,354 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2021-11-02 23:11:17,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-02 23:11:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2021-11-02 23:11:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-02 23:11:17,355 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:17,356 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:17,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 23:11:17,357 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:17,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:17,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1094031012, now seen corresponding path program 1 times [2021-11-02 23:11:17,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:17,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274182665] [2021-11-02 23:11:17,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:17,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-02 23:11:17,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:17,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274182665] [2021-11-02 23:11:17,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274182665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:17,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:17,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:17,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815869898] [2021-11-02 23:11:17,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 23:11:17,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:17,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 23:11:17,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 23:11:17,482 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-11-02 23:11:17,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:17,703 INFO L93 Difference]: Finished difference Result 571 states and 706 transitions. [2021-11-02 23:11:17,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-02 23:11:17,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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 56 [2021-11-02 23:11:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:17,707 INFO L225 Difference]: With dead ends: 571 [2021-11-02 23:11:17,707 INFO L226 Difference]: Without dead ends: 387 [2021-11-02 23:11:17,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-02 23:11:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-02 23:11:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240. [2021-11-02 23:11:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2217573221757323) internal successors, (292), 239 states have internal predecessors, (292), 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) [2021-11-02 23:11:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2021-11-02 23:11:17,749 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 56 [2021-11-02 23:11:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:17,750 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2021-11-02 23:11:17,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-11-02 23:11:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2021-11-02 23:11:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-02 23:11:17,751 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:17,752 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-02 23:11:17,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-02 23:11:17,752 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:17,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:17,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1896433734, now seen corresponding path program 1 times [2021-11-02 23:11:17,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:17,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962224776] [2021-11-02 23:11:17,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:17,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-02 23:11:17,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:17,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962224776] [2021-11-02 23:11:17,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962224776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:17,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:17,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 23:11:17,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729394150] [2021-11-02 23:11:17,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 23:11:17,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:17,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 23:11:17,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-02 23:11:17,855 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-11-02 23:11:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:18,254 INFO L93 Difference]: Finished difference Result 609 states and 743 transitions. [2021-11-02 23:11:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 23:11:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 77 [2021-11-02 23:11:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:18,258 INFO L225 Difference]: With dead ends: 609 [2021-11-02 23:11:18,259 INFO L226 Difference]: Without dead ends: 425 [2021-11-02 23:11:18,260 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-11-02 23:11:18,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-11-02 23:11:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 232. [2021-11-02 23:11:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.2207792207792207) internal successors, (282), 231 states have internal predecessors, (282), 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) [2021-11-02 23:11:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2021-11-02 23:11:18,323 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 77 [2021-11-02 23:11:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:18,324 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2021-11-02 23:11:18,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-11-02 23:11:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2021-11-02 23:11:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-02 23:11:18,330 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:11:18,331 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:18,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 23:11:18,331 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:11:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:18,332 INFO L85 PathProgramCache]: Analyzing trace with hash -98970795, now seen corresponding path program 1 times [2021-11-02 23:11:18,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:18,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613421293] [2021-11-02 23:11:18,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:18,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:11:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-02 23:11:18,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:11:18,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613421293] [2021-11-02 23:11:18,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613421293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:11:18,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:11:18,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 23:11:18,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116152900] [2021-11-02 23:11:18,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 23:11:18,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:11:18,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 23:11:18,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:11:18,441 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-11-02 23:11:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:11:18,701 INFO L93 Difference]: Finished difference Result 953 states and 1179 transitions. [2021-11-02 23:11:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 23:11:18,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 79 [2021-11-02 23:11:18,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:11:18,702 INFO L225 Difference]: With dead ends: 953 [2021-11-02 23:11:18,702 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 23:11:18,705 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-02 23:11:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 23:11:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 23:11:18,706 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) [2021-11-02 23:11:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 23:11:18,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2021-11-02 23:11:18,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:11:18,706 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 23:11:18,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-11-02 23:11:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 23:11:18,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 23:11:18,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 23:11:18,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 23:11:18,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 23:11:18,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-02 23:11:18,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 23:11:18,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:18,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:18,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:18,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:19,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:20,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:21,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:22,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:22,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:22,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:22,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:22,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:24,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:24,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:24,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:11:40,863 INFO L853 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (= ~pumpRunning~0 1))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse4 .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse9 .cse10))) [2021-11-02 23:11:40,864 INFO L853 garLoopResultBuilder]: At program point L828-1(lines 823 831) the Hoare annotation is: false [2021-11-02 23:11:40,864 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2021-11-02 23:11:40,865 INFO L853 garLoopResultBuilder]: At program point L828-2(lines 823 831) the Hoare annotation is: false [2021-11-02 23:11:40,865 INFO L857 garLoopResultBuilder]: For program point L762-1(lines 762 770) no Hoare annotation was computed. [2021-11-02 23:11:40,865 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,865 INFO L857 garLoopResultBuilder]: For program point L762-2(lines 762 770) no Hoare annotation was computed. [2021-11-02 23:11:40,866 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-11-02 23:11:40,866 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 1 970) the Hoare annotation is: (let ((.cse14 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse16 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse2 (not .cse16)) (.cse4 (not .cse13)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse10 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse3 (not .cse12)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= ~waterLevel~0 1)) (.cse8 (not .cse14)) (.cse9 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse13 .cse14 (<= ~waterLevel~0 1) .cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 2)) .cse9) (and .cse1 .cse11 .cse13 .cse6 .cse7 .cse15 .cse9) (and .cse1 .cse11 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse12 .cse13 .cse14 .cse5 .cse6 .cse7 .cse16 .cse9 .cse10) (and .cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse12 .cse13 .cse14 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse9 .cse10) (and .cse1 .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse6 .cse7 .cse15 .cse8 .cse9)))) [2021-11-02 23:11:40,866 INFO L857 garLoopResultBuilder]: For program point L69-2(lines 69 82) no Hoare annotation was computed. [2021-11-02 23:11:40,867 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 1 970) the Hoare annotation is: false [2021-11-02 23:11:40,867 INFO L857 garLoopResultBuilder]: For program point L69-4(lines 69 82) no Hoare annotation was computed. [2021-11-02 23:11:40,867 INFO L853 garLoopResultBuilder]: At program point L69-5(lines 1 970) the Hoare annotation is: false [2021-11-02 23:11:40,867 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,867 INFO L857 garLoopResultBuilder]: For program point L732-1(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,868 INFO L857 garLoopResultBuilder]: For program point L732-2(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,868 INFO L857 garLoopResultBuilder]: For program point L732-3(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,868 INFO L857 garLoopResultBuilder]: For program point L732-4(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,868 INFO L857 garLoopResultBuilder]: For program point L732-5(lines 732 749) no Hoare annotation was computed. [2021-11-02 23:11:40,869 INFO L853 garLoopResultBuilder]: At program point L700(lines 699 718) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~7 0) .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-11-02 23:11:40,869 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2021-11-02 23:11:40,869 INFO L853 garLoopResultBuilder]: At program point L700-2(lines 699 718) the Hoare annotation is: false [2021-11-02 23:11:40,869 INFO L853 garLoopResultBuilder]: At program point L700-3(lines 699 718) the Hoare annotation is: false [2021-11-02 23:11:40,869 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-11-02 23:11:40,870 INFO L857 garLoopResultBuilder]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2021-11-02 23:11:40,870 INFO L857 garLoopResultBuilder]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2021-11-02 23:11:40,870 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-11-02 23:11:40,870 INFO L857 garLoopResultBuilder]: For program point L602-3(lines 602 606) no Hoare annotation was computed. [2021-11-02 23:11:40,870 INFO L857 garLoopResultBuilder]: For program point L602-6(lines 602 606) no Hoare annotation was computed. [2021-11-02 23:11:40,871 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2021-11-02 23:11:40,871 INFO L857 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,871 INFO L857 garLoopResultBuilder]: For program point L967-1(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,871 INFO L857 garLoopResultBuilder]: For program point L967-2(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,871 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,872 INFO L857 garLoopResultBuilder]: For program point L736-1(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,872 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,872 INFO L857 garLoopResultBuilder]: For program point L736-3(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,872 INFO L857 garLoopResultBuilder]: For program point L736-4(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,872 INFO L857 garLoopResultBuilder]: For program point L736-5(lines 736 744) no Hoare annotation was computed. [2021-11-02 23:11:40,873 INFO L857 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2021-11-02 23:11:40,873 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,873 INFO L853 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse10 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) (not .cse5) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse2 .cse3 .cse4 .cse9 .cse6 .cse7 .cse5 .cse8 .cse10) (and .cse0 (not .cse11) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (not .cse12) .cse9 .cse6 (not .cse13) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse10) (and .cse0 .cse13 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse2 .cse3 .cse4 .cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse11 (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse6 .cse7 (= ~waterLevel~0 1) .cse8))) [2021-11-02 23:11:40,873 INFO L853 garLoopResultBuilder]: At program point L671-1(lines 666 674) the Hoare annotation is: false [2021-11-02 23:11:40,874 INFO L853 garLoopResultBuilder]: At program point L671-2(lines 666 674) the Hoare annotation is: false [2021-11-02 23:11:40,874 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-11-02 23:11:40,874 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 (not .cse1) (not .cse2) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-02 23:11:40,874 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,875 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_main_~tmp~4 1)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse12 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) (not .cse6) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2021-11-02 23:11:40,875 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: (let ((.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse3 (not .cse10)) (.cse4 (not .cse11)) (.cse2 (not .cse12)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse19 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse18 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse16 (= ~waterLevel~0 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11 .cse5 .cse6 .cse7 .cse12 .cse8 .cse9) (and .cse1 .cse13 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse1 .cse13 .cse14 .cse15 .cse3 .cse4 .cse6 .cse7 .cse16 .cse8) (and .cse1 .cse13 .cse10 .cse11 (<= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse8) (and .cse1 (not .cse17) .cse10 .cse11 (<= 2 ~waterLevel~0) (not .cse18) .cse5 .cse6 (not .cse19) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse9) (and .cse1 .cse19 .cse13 .cse14 .cse10 .cse11 .cse18 .cse15 .cse17 .cse6 .cse7 .cse16 .cse8)))) [2021-11-02 23:11:40,875 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,875 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,876 INFO L853 garLoopResultBuilder]: At program point L639-6(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,876 INFO L853 garLoopResultBuilder]: At program point L639-7(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,876 INFO L853 garLoopResultBuilder]: At program point L639-8(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,876 INFO L853 garLoopResultBuilder]: At program point L639-9(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,877 INFO L853 garLoopResultBuilder]: At program point L639-10(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,877 INFO L853 garLoopResultBuilder]: At program point L639-11(lines 634 642) the Hoare annotation is: false [2021-11-02 23:11:40,877 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-02 23:11:40,877 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 700 706) no Hoare annotation was computed. [2021-11-02 23:11:40,878 INFO L853 garLoopResultBuilder]: At program point L707(lines 707 713) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse18 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse2 (not .cse11)) (.cse4 (not .cse10)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse10 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 .cse18 .cse8) (and .cse1 .cse13 (<= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse8) (and .cse1 (not .cse17) .cse3 .cse10 (<= 2 ~waterLevel~0) (not .cse15) .cse5 .cse6 (not .cse12) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse9) (and .cse1 .cse13 .cse14 .cse16 .cse4 .cse6 .cse7 .cse18 .cse8) (and .cse1 .cse13 .cse2 .cse4 .cse6 .cse7 .cse8)))) [2021-11-02 23:11:40,878 INFO L853 garLoopResultBuilder]: At program point L707-1(lines 707 713) the Hoare annotation is: false [2021-11-02 23:11:40,878 INFO L853 garLoopResultBuilder]: At program point L707-2(lines 707 713) the Hoare annotation is: false [2021-11-02 23:11:40,878 INFO L853 garLoopResultBuilder]: At program point L113(lines 1 970) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-11-02 23:11:40,878 INFO L857 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2021-11-02 23:11:40,879 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-11-02 23:11:40,879 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2021-11-02 23:11:40,879 INFO L860 garLoopResultBuilder]: At program point L579-1(lines 579 586) the Hoare annotation is: true [2021-11-02 23:11:40,879 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,879 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,880 INFO L857 garLoopResultBuilder]: For program point L877-3(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,880 INFO L857 garLoopResultBuilder]: For program point L877-5(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,880 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,880 INFO L857 garLoopResultBuilder]: For program point L877-6(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,880 INFO L857 garLoopResultBuilder]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,881 INFO L857 garLoopResultBuilder]: For program point L679-2(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,881 INFO L857 garLoopResultBuilder]: For program point L877-8(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,881 INFO L857 garLoopResultBuilder]: For program point L679-3(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,881 INFO L857 garLoopResultBuilder]: For program point L877-9(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,881 INFO L857 garLoopResultBuilder]: For program point L679-4(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,882 INFO L857 garLoopResultBuilder]: For program point L877-11(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,882 INFO L857 garLoopResultBuilder]: For program point L679-5(lines 679 685) no Hoare annotation was computed. [2021-11-02 23:11:40,882 INFO L857 garLoopResultBuilder]: For program point L877-12(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,882 INFO L857 garLoopResultBuilder]: For program point L877-14(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,882 INFO L857 garLoopResultBuilder]: For program point L877-15(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,883 INFO L857 garLoopResultBuilder]: For program point L877-17(lines 877 881) no Hoare annotation was computed. [2021-11-02 23:11:40,883 INFO L857 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-11-02 23:11:40,883 INFO L853 garLoopResultBuilder]: At program point L944-2(lines 700 706) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (or (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse5)) .cse2 .cse3) (and .cse0 .cse8 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse2 .cse3 .cse6 .cse4))) [2021-11-02 23:11:40,883 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 618) no Hoare annotation was computed. [2021-11-02 23:11:40,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 23:11:40,884 INFO L853 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-11-02 23:11:40,884 INFO L853 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: false [2021-11-02 23:11:40,884 INFO L853 garLoopResultBuilder]: At program point L684-1(lines 675 688) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4 .cse5))) [2021-11-02 23:11:40,884 INFO L853 garLoopResultBuilder]: At program point L684-2(lines 675 688) the Hoare annotation is: false [2021-11-02 23:11:40,885 INFO L853 garLoopResultBuilder]: At program point L684-3(lines 675 688) the Hoare annotation is: false [2021-11-02 23:11:40,885 INFO L853 garLoopResultBuilder]: At program point L684-4(lines 675 688) the Hoare annotation is: false [2021-11-02 23:11:40,885 INFO L853 garLoopResultBuilder]: At program point L684-5(lines 675 688) the Hoare annotation is: false [2021-11-02 23:11:40,885 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2021-11-02 23:11:40,886 INFO L853 garLoopResultBuilder]: At program point L916-1(lines 916 922) the Hoare annotation is: (let ((.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse18 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse8 (not .cse18)) (.cse10 (not .cse15)) (.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (= ~pumpRunning~0 0)) (.cse9 (not .cse16)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~waterLevel~0 1)) (.cse12 (not .cse17)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7 .cse4 .cse5)) .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and .cse13 .cse0 .cse8 .cse9 .cse10 .cse2 .cse3 .cse11 .cse12 .cse4 .cse5) (and .cse0 .cse14 .cse15 .cse3 .cse11 .cse7 .cse4) (and .cse0 .cse14 .cse16 .cse15 .cse17 .cse8 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse3 .cse11 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 2)) .cse4) (and .cse0 .cse14 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12 .cse4) (and (or (and .cse0 .cse6 .cse16 .cse15 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse16 .cse15 .cse1 .cse2 .cse3 .cse4 .cse5)) .cse17 .cse3 .cse11 .cse18) (and .cse0 .cse14 .cse1 .cse9 .cse3 .cse11 .cse12 .cse4) (and .cse0 .cse14 .cse15 .cse1 .cse3 .cse11 .cse4) (and .cse13 .cse0 .cse16 .cse15 .cse17 .cse2 .cse3 .cse11 .cse18 .cse4 .cse5) (and .cse0 .cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse9 .cse3 .cse11 .cse7 .cse12 .cse4)))) [2021-11-02 23:11:40,886 INFO L853 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: false [2021-11-02 23:11:40,886 INFO L853 garLoopResultBuilder]: At program point L883-1(lines 868 886) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~waterLevel~0 1) .cse8) (and .cse0 .cse2 (<= 2 ~waterLevel~0) (not .cse4) .cse6 (not .cse1) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-02 23:11:40,886 INFO L853 garLoopResultBuilder]: At program point L883-2(lines 868 886) the Hoare annotation is: false [2021-11-02 23:11:40,887 INFO L853 garLoopResultBuilder]: At program point L883-3(lines 868 886) the Hoare annotation is: false [2021-11-02 23:11:40,887 INFO L853 garLoopResultBuilder]: At program point L883-4(lines 868 886) the Hoare annotation is: false [2021-11-02 23:11:40,887 INFO L853 garLoopResultBuilder]: At program point L883-5(lines 868 886) the Hoare annotation is: false [2021-11-02 23:11:40,887 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 23:11:40,888 INFO L853 garLoopResultBuilder]: At program point L819(lines 812 822) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 1))) (or (and .cse0 (not .cse1) (not .cse2) (not .cse3) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8))) [2021-11-02 23:11:40,888 INFO L853 garLoopResultBuilder]: At program point L819-1(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,888 INFO L853 garLoopResultBuilder]: At program point L819-2(lines 812 822) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse8 (= ULTIMATE.start_main_~tmp~4 1)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse13 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (not .cse6) (not .cse7) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11 .cse3 .cse12 .cse13))) [2021-11-02 23:11:40,888 INFO L853 garLoopResultBuilder]: At program point L819-3(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,889 INFO L853 garLoopResultBuilder]: At program point L819-4(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,889 INFO L853 garLoopResultBuilder]: At program point L819-5(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,889 INFO L853 garLoopResultBuilder]: At program point L819-6(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,889 INFO L853 garLoopResultBuilder]: At program point L819-7(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,889 INFO L860 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2021-11-02 23:11:40,890 INFO L853 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~4 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-11-02 23:11:40,890 INFO L853 garLoopResultBuilder]: At program point L819-8(lines 812 822) the Hoare annotation is: false [2021-11-02 23:11:40,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 23:11:40,890 INFO L853 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2021-11-02 23:11:40,890 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-11-02 23:11:40,891 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 83) no Hoare annotation was computed. [2021-11-02 23:11:40,891 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 83) no Hoare annotation was computed. [2021-11-02 23:11:40,891 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2021-11-02 23:11:40,891 INFO L857 garLoopResultBuilder]: For program point L758-1(lines 758 775) no Hoare annotation was computed. [2021-11-02 23:11:40,891 INFO L857 garLoopResultBuilder]: For program point L758-2(lines 758 775) no Hoare annotation was computed. [2021-11-02 23:11:40,892 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2021-11-02 23:11:40,892 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 23:11:40,892 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-11-02 23:11:40,892 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-11-02 23:11:40,893 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 926 932) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (or (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse5)) .cse2 .cse3) (and .cse0 .cse8 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse2 .cse3 .cse6 .cse4))) [2021-11-02 23:11:40,893 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,893 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,893 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,893 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,894 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,894 INFO L857 garLoopResultBuilder]: For program point L794-10(lines 794 800) no Hoare annotation was computed. [2021-11-02 23:11:40,897 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:40,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 23:11:40,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:11:40 BoogieIcfgContainer [2021-11-02 23:11:40,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 23:11:40,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 23:11:40,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 23:11:40,967 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 23:11:40,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:12" (3/4) ... [2021-11-02 23:11:40,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 23:11:40,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-02 23:11:40,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-02 23:11:40,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-02 23:11:41,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-02 23:11:41,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-02 23:11:41,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 23:11:41,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 23:11:41,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-11-02 23:11:41,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-11-02 23:11:41,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-11-02 23:11:41,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-11-02 23:11:41,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-11-02 23:11:41,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-11-02 23:11:41,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && tmp == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-11-02 23:11:41,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-11-02 23:11:41,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) [2021-11-02 23:11:41,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) [2021-11-02 23:11:41,113 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 23:11:41,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 23:11:41,115 INFO L168 Benchmark]: Toolchain (without parser) took 31292.44 ms. Allocated memory was 104.9 MB in the beginning and 333.4 MB in the end (delta: 228.6 MB). Free memory was 69.6 MB in the beginning and 163.7 MB in the end (delta: -94.1 MB). Peak memory consumption was 134.5 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,116 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 77.7 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:11:41,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.41 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 73.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.54 ms. Allocated memory is still 104.9 MB. Free memory was 72.7 MB in the beginning and 68.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,117 INFO L168 Benchmark]: Boogie Preprocessor took 68.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 65.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,117 INFO L168 Benchmark]: RCFGBuilder took 1532.13 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.9 MB in the beginning and 79.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,118 INFO L168 Benchmark]: TraceAbstraction took 28682.55 ms. Allocated memory was 125.8 MB in the beginning and 333.4 MB in the end (delta: 207.6 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,118 INFO L168 Benchmark]: Witness Printer took 147.17 ms. Allocated memory is still 333.4 MB. Free memory was 176.2 MB in the beginning and 163.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 23:11:41,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 77.7 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 725.41 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 73.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.54 ms. Allocated memory is still 104.9 MB. Free memory was 72.7 MB in the beginning and 68.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 65.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1532.13 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.9 MB in the beginning and 79.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28682.55 ms. Allocated memory was 125.8 MB in the beginning and 333.4 MB in the end (delta: 207.6 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.1 GB. * Witness Printer took 147.17 ms. Allocated memory is still 333.4 MB. Free memory was 176.2 MB in the beginning and 163.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 967]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2034 SDtfs, 3220 SDslu, 3671 SDs, 0 SdLazy, 609 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=9, InterpolantAutomatonStates: 117, 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, 17 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 382 NumberOfFragments, 2315 HoareAnnotationTreeSize, 58 FomulaSimplifications, 107400404 FormulaSimplificationTreeSizeReduction, 7.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 21646922 FormulaSimplificationTreeSizeReductionInter, 14.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 160/160 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: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((((((((((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && tmp == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-02 23:11:41,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0715e97f-6666-46bf-8714-5ed703f6f483/bin/uautomizer-tBqnrhUYjU/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