./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt --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 864598d769cf301df696f6997eba405266387160 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:24:50,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:24:50,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:24:50,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:24:50,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:24:50,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:24:50,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:24:50,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:24:50,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:24:50,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:24:50,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:24:50,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:24:50,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:24:50,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:24:50,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:24:50,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:24:50,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:24:50,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:24:50,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:24:50,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:24:50,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:24:50,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:24:50,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:24:50,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:24:50,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:24:50,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:24:50,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:24:50,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:24:50,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:24:50,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:24:50,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:24:50,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:24:50,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:24:50,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:24:50,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:24:50,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:24:50,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:24:50,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:24:50,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:24:50,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:24:50,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:24:50,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:24:50,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:24:50,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:24:50,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:24:50,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:24:50,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:24:50,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:24:50,603 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:24:50,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:24:50,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:24:50,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:24:50,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:24:50,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:24:50,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:24:50,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:24:50,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:24:50,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:24:50,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:24:50,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:24:50,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:24:50,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:24:50,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:24:50,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:24:50,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:24:50,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:24:50,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:24:50,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:24:50,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:24:50,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:24:50,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:24:50,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:24:50,610 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_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2021-10-13 00:24:50,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:24:50,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:24:50,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:24:50,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:24:50,970 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:24:50,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-13 00:24:51,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/data/f9e8ce477/1022736f5ae8449f9363a973b4012273/FLAG6702946be [2021-10-13 00:24:51,573 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:24:51,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-13 00:24:51,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/data/f9e8ce477/1022736f5ae8449f9363a973b4012273/FLAG6702946be [2021-10-13 00:24:51,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/data/f9e8ce477/1022736f5ae8449f9363a973b4012273 [2021-10-13 00:24:51,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:24:51,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:24:51,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:51,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:24:51,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:24:51,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:51" (1/1) ... [2021-10-13 00:24:51,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e2f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:51, skipping insertion in model container [2021-10-13 00:24:51,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:51" (1/1) ... [2021-10-13 00:24:51,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:24:51,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:24:52,266 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_86a82741-604c-43f7-968f-1240e3b320bb/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2021-10-13 00:24:52,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:52,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:24:52,374 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_86a82741-604c-43f7-968f-1240e3b320bb/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2021-10-13 00:24:52,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:52,437 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:24:52,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52 WrapperNode [2021-10-13 00:24:52,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:52,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:52,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:24:52,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:24:52,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:52,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:24:52,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:24:52,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:24:52,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:24:52,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:24:52,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:24:52,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:24:52,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (1/1) ... [2021-10-13 00:24:52,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:24:52,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:52,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:24:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:24:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:24:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:24:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:24:52,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:24:53,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:24:53,928 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 00:24:53,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:53 BoogieIcfgContainer [2021-10-13 00:24:53,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:24:53,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:24:53,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:24:53,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:24:53,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:24:51" (1/3) ... [2021-10-13 00:24:53,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42892237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:24:53, skipping insertion in model container [2021-10-13 00:24:53,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:52" (2/3) ... [2021-10-13 00:24:53,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42892237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:24:53, skipping insertion in model container [2021-10-13 00:24:53,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:53" (3/3) ... [2021-10-13 00:24:53,946 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2021-10-13 00:24:53,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:24:53,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:24:54,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:24:54,021 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:24:54,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:24:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:24:54,050 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:54,050 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:54,051 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:54,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2021-10-13 00:24:54,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:54,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113522198] [2021-10-13 00:24:54,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:54,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:54,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:54,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113522198] [2021-10-13 00:24:54,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113522198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:54,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:54,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:24:54,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24694760] [2021-10-13 00:24:54,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:24:54,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:54,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:24:54,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:24:54,381 INFO L87 Difference]: Start difference. First operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:54,414 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-10-13 00:24:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:24:54,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 00:24:54,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:54,428 INFO L225 Difference]: With dead ends: 232 [2021-10-13 00:24:54,428 INFO L226 Difference]: Without dead ends: 115 [2021-10-13 00:24:54,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:24:54,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-13 00:24:54,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-13 00:24:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 112 states have (on average 1.5) internal successors, (168), 114 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-10-13 00:24:54,475 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2021-10-13 00:24:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:54,476 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-10-13 00:24:54,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-10-13 00:24:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:24:54,478 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:54,478 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:54,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:24:54,479 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:54,480 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2021-10-13 00:24:54,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:54,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552461884] [2021-10-13 00:24:54,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:54,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:54,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:54,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552461884] [2021-10-13 00:24:54,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552461884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:54,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:54,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:24:54,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686751837] [2021-10-13 00:24:54,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:24:54,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:54,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:24:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:24:54,620 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:54,659 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-10-13 00:24:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:24:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 00:24:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:54,662 INFO L225 Difference]: With dead ends: 115 [2021-10-13 00:24:54,663 INFO L226 Difference]: Without dead ends: 49 [2021-10-13 00:24:54,664 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:24:54,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-13 00:24:54,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-13 00:24:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-13 00:24:54,678 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2021-10-13 00:24:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:54,678 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-13 00:24:54,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-13 00:24:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:24:54,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:54,680 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:54,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:24:54,681 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:54,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:54,682 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2021-10-13 00:24:54,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:54,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444461591] [2021-10-13 00:24:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:54,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:54,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:54,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444461591] [2021-10-13 00:24:54,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444461591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:54,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:54,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:24:54,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750187822] [2021-10-13 00:24:54,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:24:54,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:54,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:24:54,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:24:54,837 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:55,065 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2021-10-13 00:24:55,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:55,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 00:24:55,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:55,073 INFO L225 Difference]: With dead ends: 158 [2021-10-13 00:24:55,073 INFO L226 Difference]: Without dead ends: 115 [2021-10-13 00:24:55,074 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:24:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-13 00:24:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2021-10-13 00:24:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.492537313432836) internal successors, (100), 67 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2021-10-13 00:24:55,119 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2021-10-13 00:24:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:55,120 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2021-10-13 00:24:55,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2021-10-13 00:24:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:24:55,121 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:55,121 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:55,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:24:55,122 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:55,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:55,123 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2021-10-13 00:24:55,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:55,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193225690] [2021-10-13 00:24:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:55,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:55,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:55,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193225690] [2021-10-13 00:24:55,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193225690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:55,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:55,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:24:55,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214247733] [2021-10-13 00:24:55,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:24:55,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:55,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:24:55,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:24:55,222 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:55,275 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2021-10-13 00:24:55,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:24:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:24:55,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:55,277 INFO L225 Difference]: With dead ends: 151 [2021-10-13 00:24:55,277 INFO L226 Difference]: Without dead ends: 89 [2021-10-13 00:24:55,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:24:55,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-13 00:24:55,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-13 00:24:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2021-10-13 00:24:55,289 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2021-10-13 00:24:55,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:55,290 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2021-10-13 00:24:55,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-10-13 00:24:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:24:55,291 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:55,292 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:55,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:24:55,292 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:55,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:55,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2021-10-13 00:24:55,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:55,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543016598] [2021-10-13 00:24:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:55,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:55,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:55,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543016598] [2021-10-13 00:24:55,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543016598] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:55,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:55,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:24:55,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168869268] [2021-10-13 00:24:55,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:55,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:55,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:55,407 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:55,543 INFO L93 Difference]: Finished difference Result 307 states and 445 transitions. [2021-10-13 00:24:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:55,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 00:24:55,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:55,550 INFO L225 Difference]: With dead ends: 307 [2021-10-13 00:24:55,551 INFO L226 Difference]: Without dead ends: 226 [2021-10-13 00:24:55,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:24:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-13 00:24:55,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 146. [2021-10-13 00:24:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.4) internal successors, (203), 145 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 203 transitions. [2021-10-13 00:24:55,598 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 203 transitions. Word has length 25 [2021-10-13 00:24:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:55,599 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 203 transitions. [2021-10-13 00:24:55,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2021-10-13 00:24:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:24:55,600 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:55,601 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:55,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:24:55,601 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:55,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash 731508994, now seen corresponding path program 1 times [2021-10-13 00:24:55,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:55,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050483589] [2021-10-13 00:24:55,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:55,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:55,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:55,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050483589] [2021-10-13 00:24:55,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050483589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:55,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:55,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:24:55,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392717554] [2021-10-13 00:24:55,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:55,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:55,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:55,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:55,706 INFO L87 Difference]: Start difference. First operand 146 states and 203 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:55,856 INFO L93 Difference]: Finished difference Result 303 states and 430 transitions. [2021-10-13 00:24:55,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:24:55,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 00:24:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:55,859 INFO L225 Difference]: With dead ends: 303 [2021-10-13 00:24:55,860 INFO L226 Difference]: Without dead ends: 301 [2021-10-13 00:24:55,869 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 35.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:24:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-13 00:24:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 146. [2021-10-13 00:24:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.3862068965517242) internal successors, (201), 145 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 201 transitions. [2021-10-13 00:24:55,908 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 201 transitions. Word has length 26 [2021-10-13 00:24:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:55,908 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 201 transitions. [2021-10-13 00:24:55,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 201 transitions. [2021-10-13 00:24:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:24:55,915 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:55,916 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:55,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:24:55,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:55,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:55,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1548133156, now seen corresponding path program 1 times [2021-10-13 00:24:55,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:55,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104630045] [2021-10-13 00:24:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:55,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:56,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:56,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104630045] [2021-10-13 00:24:56,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104630045] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:56,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:56,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:24:56,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612993486] [2021-10-13 00:24:56,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:24:56,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:56,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:24:56,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:24:56,022 INFO L87 Difference]: Start difference. First operand 146 states and 201 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:56,226 INFO L93 Difference]: Finished difference Result 299 states and 419 transitions. [2021-10-13 00:24:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:24:56,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 00:24:56,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:56,229 INFO L225 Difference]: With dead ends: 299 [2021-10-13 00:24:56,229 INFO L226 Difference]: Without dead ends: 218 [2021-10-13 00:24:56,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:24:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-13 00:24:56,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2021-10-13 00:24:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 1.3831775700934579) internal successors, (296), 214 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 296 transitions. [2021-10-13 00:24:56,279 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 296 transitions. Word has length 31 [2021-10-13 00:24:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:56,281 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 296 transitions. [2021-10-13 00:24:56,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 296 transitions. [2021-10-13 00:24:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:24:56,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:56,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:56,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:24:56,289 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:56,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:56,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1289967718, now seen corresponding path program 1 times [2021-10-13 00:24:56,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:56,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051457800] [2021-10-13 00:24:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:56,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:56,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:56,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051457800] [2021-10-13 00:24:56,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051457800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:56,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:56,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:24:56,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873327540] [2021-10-13 00:24:56,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:24:56,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:56,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:24:56,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:24:56,380 INFO L87 Difference]: Start difference. First operand 215 states and 296 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:56,461 INFO L93 Difference]: Finished difference Result 643 states and 898 transitions. [2021-10-13 00:24:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:24:56,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 00:24:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:56,465 INFO L225 Difference]: With dead ends: 643 [2021-10-13 00:24:56,465 INFO L226 Difference]: Without dead ends: 492 [2021-10-13 00:24:56,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:56,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-10-13 00:24:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 215. [2021-10-13 00:24:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 214 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 294 transitions. [2021-10-13 00:24:56,495 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 294 transitions. Word has length 31 [2021-10-13 00:24:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:56,496 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 294 transitions. [2021-10-13 00:24:56,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 294 transitions. [2021-10-13 00:24:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:24:56,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:56,497 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:24:56,498 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1682994728, now seen corresponding path program 1 times [2021-10-13 00:24:56,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:56,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197848117] [2021-10-13 00:24:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:56,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:56,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:56,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197848117] [2021-10-13 00:24:56,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197848117] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:56,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:56,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:24:56,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511474112] [2021-10-13 00:24:56,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:56,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:56,583 INFO L87 Difference]: Start difference. First operand 215 states and 294 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:56,775 INFO L93 Difference]: Finished difference Result 466 states and 647 transitions. [2021-10-13 00:24:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:56,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 00:24:56,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:56,780 INFO L225 Difference]: With dead ends: 466 [2021-10-13 00:24:56,780 INFO L226 Difference]: Without dead ends: 315 [2021-10-13 00:24:56,782 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:24:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-10-13 00:24:56,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 241. [2021-10-13 00:24:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.3833333333333333) internal successors, (332), 240 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 332 transitions. [2021-10-13 00:24:56,812 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 332 transitions. Word has length 31 [2021-10-13 00:24:56,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:56,812 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 332 transitions. [2021-10-13 00:24:56,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 332 transitions. [2021-10-13 00:24:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:24:56,815 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:56,815 INFO L512 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] [2021-10-13 00:24:56,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:24:56,816 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:56,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1164793824, now seen corresponding path program 1 times [2021-10-13 00:24:56,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:56,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607753436] [2021-10-13 00:24:56,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:56,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:24:56,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:56,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607753436] [2021-10-13 00:24:56,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607753436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:56,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:56,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:24:56,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301584415] [2021-10-13 00:24:56,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:56,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:56,928 INFO L87 Difference]: Start difference. First operand 241 states and 332 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:57,040 INFO L93 Difference]: Finished difference Result 737 states and 1016 transitions. [2021-10-13 00:24:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:57,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 51 [2021-10-13 00:24:57,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:57,046 INFO L225 Difference]: With dead ends: 737 [2021-10-13 00:24:57,046 INFO L226 Difference]: Without dead ends: 502 [2021-10-13 00:24:57,047 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:24:57,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2021-10-13 00:24:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 250. [2021-10-13 00:24:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.3694779116465863) internal successors, (341), 249 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 341 transitions. [2021-10-13 00:24:57,085 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 341 transitions. Word has length 51 [2021-10-13 00:24:57,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:57,085 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 341 transitions. [2021-10-13 00:24:57,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 341 transitions. [2021-10-13 00:24:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:24:57,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:57,087 INFO L512 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] [2021-10-13 00:24:57,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:24:57,088 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:57,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:57,089 INFO L82 PathProgramCache]: Analyzing trace with hash -463193950, now seen corresponding path program 1 times [2021-10-13 00:24:57,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:57,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692012438] [2021-10-13 00:24:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:57,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:24:57,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:57,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692012438] [2021-10-13 00:24:57,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692012438] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:57,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:57,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:24:57,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314804971] [2021-10-13 00:24:57,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:24:57,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:57,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:24:57,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:24:57,179 INFO L87 Difference]: Start difference. First operand 250 states and 341 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:57,285 INFO L93 Difference]: Finished difference Result 588 states and 802 transitions. [2021-10-13 00:24:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:57,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 51 [2021-10-13 00:24:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:57,288 INFO L225 Difference]: With dead ends: 588 [2021-10-13 00:24:57,289 INFO L226 Difference]: Without dead ends: 344 [2021-10-13 00:24:57,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:24:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-13 00:24:57,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 218. [2021-10-13 00:24:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.3410138248847927) internal successors, (291), 217 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 291 transitions. [2021-10-13 00:24:57,326 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 291 transitions. Word has length 51 [2021-10-13 00:24:57,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:57,327 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 291 transitions. [2021-10-13 00:24:57,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 291 transitions. [2021-10-13 00:24:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 00:24:57,328 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:57,329 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:57,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:24:57,329 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:57,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1312943258, now seen corresponding path program 1 times [2021-10-13 00:24:57,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:57,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202961261] [2021-10-13 00:24:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:57,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:57,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:57,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202961261] [2021-10-13 00:24:57,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202961261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:57,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047960121] [2021-10-13 00:24:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:57,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:24:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:57,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:24:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:24:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:57,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:24:57,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:57,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047960121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:57,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:24:57,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-13 00:24:57,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583038380] [2021-10-13 00:24:57,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:24:57,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:57,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:24:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:24:57,912 INFO L87 Difference]: Start difference. First operand 218 states and 291 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:58,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:58,177 INFO L93 Difference]: Finished difference Result 618 states and 840 transitions. [2021-10-13 00:24:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:24:58,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2021-10-13 00:24:58,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:58,182 INFO L225 Difference]: With dead ends: 618 [2021-10-13 00:24:58,182 INFO L226 Difference]: Without dead ends: 454 [2021-10-13 00:24:58,183 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 53.8ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:24:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-10-13 00:24:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 266. [2021-10-13 00:24:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.3396226415094339) internal successors, (355), 265 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 355 transitions. [2021-10-13 00:24:58,225 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 355 transitions. Word has length 52 [2021-10-13 00:24:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:58,227 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 355 transitions. [2021-10-13 00:24:58,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2021-10-13 00:24:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-13 00:24:58,228 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:58,229 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:58,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:58,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-13 00:24:58,442 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:58,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:58,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1082347880, now seen corresponding path program 2 times [2021-10-13 00:24:58,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:58,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728527262] [2021-10-13 00:24:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:58,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:24:58,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:58,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728527262] [2021-10-13 00:24:58,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728527262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:58,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:58,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:24:58,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623679887] [2021-10-13 00:24:58,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:58,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:58,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:58,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:58,587 INFO L87 Difference]: Start difference. First operand 266 states and 355 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:58,924 INFO L93 Difference]: Finished difference Result 794 states and 1075 transitions. [2021-10-13 00:24:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:24:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-10-13 00:24:58,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:58,929 INFO L225 Difference]: With dead ends: 794 [2021-10-13 00:24:58,930 INFO L226 Difference]: Without dead ends: 575 [2021-10-13 00:24:58,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:24:58,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-10-13 00:24:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 370. [2021-10-13 00:24:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 369 states have (on average 1.3360433604336044) internal successors, (493), 369 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 493 transitions. [2021-10-13 00:24:59,001 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 493 transitions. Word has length 73 [2021-10-13 00:24:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:59,001 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 493 transitions. [2021-10-13 00:24:59,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 493 transitions. [2021-10-13 00:24:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-13 00:24:59,003 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:59,003 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:59,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:24:59,004 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:59,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:59,004 INFO L82 PathProgramCache]: Analyzing trace with hash -807588266, now seen corresponding path program 1 times [2021-10-13 00:24:59,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:59,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786931508] [2021-10-13 00:24:59,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:59,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:24:59,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:59,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786931508] [2021-10-13 00:24:59,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786931508] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:59,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:59,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:24:59,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810265589] [2021-10-13 00:24:59,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:24:59,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:24:59,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:24:59,108 INFO L87 Difference]: Start difference. First operand 370 states and 493 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:59,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:59,264 INFO L93 Difference]: Finished difference Result 768 states and 1024 transitions. [2021-10-13 00:24:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:24:59,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 73 [2021-10-13 00:24:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:59,265 INFO L225 Difference]: With dead ends: 768 [2021-10-13 00:24:59,265 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:24:59,267 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 69.3ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:24:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:24:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:24:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:24:59,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-13 00:24:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:59,268 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:24:59,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:24:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:24:59,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:24:59,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:24:59,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:24:59,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:24:59,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:24:59,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:24:59,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:59,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:00,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:01,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:02,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:25:07,701 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,701 INFO L853 garLoopResultBuilder]: At program point L268(lines 259 272) the Hoare annotation is: false [2021-10-13 00:25:07,701 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 259 272) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-13 00:25:07,702 INFO L853 garLoopResultBuilder]: At program point L268-2(lines 259 272) the Hoare annotation is: false [2021-10-13 00:25:07,702 INFO L853 garLoopResultBuilder]: At program point L268-3(lines 259 272) the Hoare annotation is: false [2021-10-13 00:25:07,702 INFO L853 garLoopResultBuilder]: At program point L268-4(lines 259 272) the Hoare annotation is: false [2021-10-13 00:25:07,702 INFO L853 garLoopResultBuilder]: At program point L268-5(lines 259 272) the Hoare annotation is: false [2021-10-13 00:25:07,702 INFO L853 garLoopResultBuilder]: At program point L335(lines 335 341) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse4 .cse3 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-13 00:25:07,703 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 335 341) the Hoare annotation is: false [2021-10-13 00:25:07,703 INFO L853 garLoopResultBuilder]: At program point L335-2(lines 335 341) the Hoare annotation is: false [2021-10-13 00:25:07,703 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-13 00:25:07,703 INFO L853 garLoopResultBuilder]: At program point L305(lines 1 973) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:25:07,704 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 00:25:07,704 INFO L857 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,704 INFO L857 garLoopResultBuilder]: For program point L604-1(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,704 INFO L857 garLoopResultBuilder]: For program point L604-2(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,704 INFO L853 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: false [2021-10-13 00:25:07,704 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,705 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-10-13 00:25:07,705 INFO L853 garLoopResultBuilder]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-10-13 00:25:07,705 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 586) no Hoare annotation was computed. [2021-10-13 00:25:07,705 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,705 INFO L857 garLoopResultBuilder]: For program point L507-2(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,706 INFO L857 garLoopResultBuilder]: For program point L507-3(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,706 INFO L857 garLoopResultBuilder]: For program point L507-5(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,706 INFO L857 garLoopResultBuilder]: For program point L507-6(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,706 INFO L857 garLoopResultBuilder]: For program point L507-8(lines 507 511) no Hoare annotation was computed. [2021-10-13 00:25:07,706 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-10-13 00:25:07,707 INFO L853 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:25:07,707 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2021-10-13 00:25:07,707 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2021-10-13 00:25:07,712 INFO L857 garLoopResultBuilder]: For program point L544(lines 543 590) no Hoare annotation was computed. [2021-10-13 00:25:07,713 INFO L853 garLoopResultBuilder]: At program point L313(lines 308 316) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-13 00:25:07,713 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-10-13 00:25:07,713 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-13 00:25:07,713 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse4 .cse3 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-13 00:25:07,714 INFO L853 garLoopResultBuilder]: At program point L513(lines 498 516) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-10-13 00:25:07,714 INFO L853 garLoopResultBuilder]: At program point L513-1(lines 498 516) the Hoare annotation is: false [2021-10-13 00:25:07,714 INFO L853 garLoopResultBuilder]: At program point L513-2(lines 498 516) the Hoare annotation is: false [2021-10-13 00:25:07,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:25:07,715 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-10-13 00:25:07,715 INFO L857 garLoopResultBuilder]: For program point L186-3(lines 186 190) no Hoare annotation was computed. [2021-10-13 00:25:07,715 INFO L857 garLoopResultBuilder]: For program point L186-6(lines 186 190) no Hoare annotation was computed. [2021-10-13 00:25:07,715 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 00:25:07,715 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 00:25:07,715 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 403) no Hoare annotation was computed. [2021-10-13 00:25:07,716 INFO L857 garLoopResultBuilder]: For program point L386-1(lines 386 403) no Hoare annotation was computed. [2021-10-13 00:25:07,716 INFO L857 garLoopResultBuilder]: For program point L386-2(lines 386 403) no Hoare annotation was computed. [2021-10-13 00:25:07,716 INFO L853 garLoopResultBuilder]: At program point L255(lines 250 258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-13 00:25:07,716 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2021-10-13 00:25:07,716 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2021-10-13 00:25:07,717 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-13 00:25:07,717 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse5 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-13 00:25:07,717 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:25:07,717 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 170) no Hoare annotation was computed. [2021-10-13 00:25:07,717 INFO L853 garLoopResultBuilder]: At program point L157-1(lines 1 973) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse3) (and .cse0 .cse1 .cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 .cse2 (= ~waterLevel~0 1) .cse3))) [2021-10-13 00:25:07,718 INFO L857 garLoopResultBuilder]: For program point L157-2(lines 157 170) no Hoare annotation was computed. [2021-10-13 00:25:07,718 INFO L853 garLoopResultBuilder]: At program point L157-3(lines 1 973) the Hoare annotation is: false [2021-10-13 00:25:07,718 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 00:25:07,718 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 328 334) no Hoare annotation was computed. [2021-10-13 00:25:07,718 INFO L857 garLoopResultBuilder]: For program point L157-4(lines 157 170) no Hoare annotation was computed. [2021-10-13 00:25:07,719 INFO L853 garLoopResultBuilder]: At program point L157-5(lines 1 973) the Hoare annotation is: false [2021-10-13 00:25:07,719 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 527) no Hoare annotation was computed. [2021-10-13 00:25:07,719 INFO L853 garLoopResultBuilder]: At program point L521-1(lines 521 527) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-13 00:25:07,719 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,719 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,719 INFO L857 garLoopResultBuilder]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,720 INFO L857 garLoopResultBuilder]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 398) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L390-1(lines 390 398) no Hoare annotation was computed. [2021-10-13 00:25:07,721 INFO L857 garLoopResultBuilder]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2021-10-13 00:25:07,722 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:25:07,722 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 167) no Hoare annotation was computed. [2021-10-13 00:25:07,722 INFO L857 garLoopResultBuilder]: For program point L161-2(lines 161 167) no Hoare annotation was computed. [2021-10-13 00:25:07,722 INFO L857 garLoopResultBuilder]: For program point L161-4(lines 161 167) no Hoare annotation was computed. [2021-10-13 00:25:07,723 INFO L853 garLoopResultBuilder]: At program point L591(lines 542 592) the Hoare annotation is: false [2021-10-13 00:25:07,723 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,723 INFO L857 garLoopResultBuilder]: For program point L360-1(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,723 INFO L857 garLoopResultBuilder]: For program point L360-2(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,723 INFO L857 garLoopResultBuilder]: For program point L360-3(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,723 INFO L857 garLoopResultBuilder]: For program point L360-4(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,724 INFO L857 garLoopResultBuilder]: For program point L360-5(lines 360 377) no Hoare annotation was computed. [2021-10-13 00:25:07,724 INFO L853 garLoopResultBuilder]: At program point L328(lines 327 346) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse3 (not (= 0 ~systemActive~0))))) [2021-10-13 00:25:07,724 INFO L857 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2021-10-13 00:25:07,724 INFO L853 garLoopResultBuilder]: At program point L328-2(lines 327 346) the Hoare annotation is: false [2021-10-13 00:25:07,724 INFO L853 garLoopResultBuilder]: At program point L328-3(lines 327 346) the Hoare annotation is: false [2021-10-13 00:25:07,725 INFO L853 garLoopResultBuilder]: At program point L494(lines 479 497) the Hoare annotation is: false [2021-10-13 00:25:07,725 INFO L853 garLoopResultBuilder]: At program point L494-1(lines 479 497) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse5) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not .cse4) (<= 1 ~waterLevel~0) .cse3 .cse6))) [2021-10-13 00:25:07,725 INFO L853 garLoopResultBuilder]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2021-10-13 00:25:07,725 INFO L853 garLoopResultBuilder]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2021-10-13 00:25:07,725 INFO L853 garLoopResultBuilder]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2021-10-13 00:25:07,726 INFO L853 garLoopResultBuilder]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2021-10-13 00:25:07,726 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,726 INFO L857 garLoopResultBuilder]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,726 INFO L857 garLoopResultBuilder]: For program point L263-2(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,726 INFO L857 garLoopResultBuilder]: For program point L263-3(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,726 INFO L857 garLoopResultBuilder]: For program point L263-4(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,727 INFO L857 garLoopResultBuilder]: For program point L263-5(lines 263 269) no Hoare annotation was computed. [2021-10-13 00:25:07,727 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:25:07,727 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-13 00:25:07,727 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 202) no Hoare annotation was computed. [2021-10-13 00:25:07,727 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 00:25:07,728 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 00:25:07,728 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,728 INFO L857 garLoopResultBuilder]: For program point L364-1(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,728 INFO L857 garLoopResultBuilder]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,728 INFO L857 garLoopResultBuilder]: For program point L364-3(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,728 INFO L857 garLoopResultBuilder]: For program point L364-4(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,729 INFO L857 garLoopResultBuilder]: For program point L364-5(lines 364 372) no Hoare annotation was computed. [2021-10-13 00:25:07,729 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2021-10-13 00:25:07,729 INFO L853 garLoopResultBuilder]: At program point L563-1(lines 563 569) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse5 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-13 00:25:07,734 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:25:07,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:25:07 BoogieIcfgContainer [2021-10-13 00:25:07,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:25:07,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:25:07,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:25:07,759 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:25:07,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:53" (3/4) ... [2021-10-13 00:25:07,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:25:07,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:25:07,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:25:07,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:25:07,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:25:07,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:25:07,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:25:07,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:25:07,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-13 00:25:07,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-13 00:25:07,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && 2 <= tmp) && tmp == 0) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-10-13 00:25:07,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((tmp == 1 && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-10-13 00:25:07,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-10-13 00:25:07,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2021-10-13 00:25:07,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-13 00:25:07,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-10-13 00:25:07,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) || (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-13 00:25:07,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:25:07,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:25:07,872 INFO L168 Benchmark]: Toolchain (without parser) took 15981.15 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 123.8 MB in the beginning and 176.1 MB in the end (delta: -52.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,873 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 49.0 MB in the beginning and 48.8 MB in the end (delta: 134.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:25:07,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.83 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 116.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.21 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 113.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,874 INFO L168 Benchmark]: Boogie Preprocessor took 69.68 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 110.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,874 INFO L168 Benchmark]: RCFGBuilder took 1318.37 ms. Allocated memory is still 151.0 MB. Free memory was 110.5 MB in the beginning and 115.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,875 INFO L168 Benchmark]: TraceAbstraction took 13824.40 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 114.5 MB in the beginning and 185.5 MB in the end (delta: -71.0 MB). Peak memory consumption was 129.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,875 INFO L168 Benchmark]: Witness Printer took 111.92 ms. Allocated memory is still 220.2 MB. Free memory was 185.5 MB in the beginning and 176.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:07,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 49.0 MB in the beginning and 48.8 MB in the end (delta: 134.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.83 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 116.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.21 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 113.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.68 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 110.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1318.37 ms. Allocated memory is still 151.0 MB. Free memory was 110.5 MB in the beginning and 115.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13824.40 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 114.5 MB in the beginning and 185.5 MB in the end (delta: -71.0 MB). Peak memory consumption was 129.8 MB. Max. memory is 16.1 GB. * Witness Printer took 111.92 ms. Allocated memory is still 220.2 MB. Free memory was 185.5 MB in the beginning and 176.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 604]: 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, 119 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13720.1ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 38.2ms, AutomataDifference: 2237.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8427.4ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1592 SDtfs, 2312 SDslu, 2511 SDs, 0 SdLazy, 387 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 931.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 374.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=370occurred in iteration=13, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 471.4ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1409 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 684 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1396782 FormulaSimplificationTreeSizeReduction, 2885.2ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 949913 FormulaSimplificationTreeSizeReductionInter, 5518.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 115.0ms SsaConstructionTime, 539.5ms SatisfiabilityAnalysisTime, 1296.2ms InterpolantComputationTime, 575 NumberOfCodeBlocks, 575 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 978 SizeOfPredicates, 3 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 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: 259]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) || (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && 2 <= tmp) && tmp == 0) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && \result == 1) && 1 <= \result)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 1) && waterLevel == 1) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1)) || ((((tmp == 1 && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:25:07,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a82741-604c-43f7-968f-1240e3b320bb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...