./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/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_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:34:00,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:34:00,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:34:00,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:34:00,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:34:00,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:34:00,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:34:00,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:34:00,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:34:00,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:34:00,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:34:00,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:34:00,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:34:00,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:34:00,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:34:00,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:34:00,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:34:00,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:34:00,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:34:00,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:34:00,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:34:00,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:34:00,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:34:00,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:34:00,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:34:00,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:34:00,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:34:00,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:34:00,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:34:00,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:34:00,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:34:00,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:34:00,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:34:00,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:34:00,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:34:00,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:34:00,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:34:00,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:34:00,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:34:00,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:34:00,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:34:00,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:34:00,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:34:00,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:34:00,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:34:00,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:34:00,550 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:34:00,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:34:00,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:34:00,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:34:00,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:34:00,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:34:00,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:34:00,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:34:00,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:34:00,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:34:00,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:34:00,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:34:00,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:34:00,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:34:00,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:34:00,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:34:00,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:34:00,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:34:00,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:34:00,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:34:00,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:34:00,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:34:00,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:34:00,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:34:00,557 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_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2021-10-11 00:34:00,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:34:00,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:34:00,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:34:00,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:34:00,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:34:00,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-11 00:34:00,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/data/7ba93fe18/a9d4c93d52b54fc6aba13ac9df997a31/FLAGe52492e5b [2021-10-11 00:34:01,587 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:34:01,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-11 00:34:01,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/data/7ba93fe18/a9d4c93d52b54fc6aba13ac9df997a31/FLAGe52492e5b [2021-10-11 00:34:01,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/data/7ba93fe18/a9d4c93d52b54fc6aba13ac9df997a31 [2021-10-11 00:34:01,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:34:01,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:34:01,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:01,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:34:01,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:34:01,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:01" (1/1) ... [2021-10-11 00:34:01,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4577be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:01, skipping insertion in model container [2021-10-11 00:34:01,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:01" (1/1) ... [2021-10-11 00:34:01,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:34:01,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:34:02,194 WARN L226 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_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2021-10-11 00:34:02,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:02,262 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:34:02,309 WARN L226 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_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2021-10-11 00:34:02,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:02,391 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:34:02,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02 WrapperNode [2021-10-11 00:34:02,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:02,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:02,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:34:02,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:34:02,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:02,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:34:02,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:34:02,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:34:02,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... [2021-10-11 00:34:02,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:34:02,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:34:02,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:34:02,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:34:02,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:34:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:34:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:34:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:34:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:34:03,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:34:03,693 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 00:34:03,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:03 BoogieIcfgContainer [2021-10-11 00:34:03,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:34:03,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:34:03,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:34:03,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:34:03,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:01" (1/3) ... [2021-10-11 00:34:03,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:03, skipping insertion in model container [2021-10-11 00:34:03,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:02" (2/3) ... [2021-10-11 00:34:03,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a31a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:03, skipping insertion in model container [2021-10-11 00:34:03,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:03" (3/3) ... [2021-10-11 00:34:03,706 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2021-10-11 00:34:03,722 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:34:03,726 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:34:03,739 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:34:03,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:34:03,768 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:34:03,769 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:34:03,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:34:03,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:34:03,769 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:34:03,769 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:34:03,770 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:34:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2021-10-11 00:34:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:34:03,796 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:03,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:03,797 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:03,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2021-10-11 00:34:03,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:03,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001766038] [2021-10-11 00:34:03,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:04,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001766038] [2021-10-11 00:34:04,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:04,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:04,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816022407] [2021-10-11 00:34:04,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:34:04,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:04,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:34:04,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:34:04,155 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2021-10-11 00:34:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:04,191 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-10-11 00:34:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:34:04,193 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:34:04,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:04,206 INFO L225 Difference]: With dead ends: 232 [2021-10-11 00:34:04,207 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 00:34:04,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:34:04,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 00:34:04,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-11 00:34:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 00:34:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-10-11 00:34:04,260 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2021-10-11 00:34:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:04,261 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-10-11 00:34:04,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:34:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-10-11 00:34:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:34:04,263 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:04,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:04,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:34:04,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:04,265 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2021-10-11 00:34:04,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:04,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295790695] [2021-10-11 00:34:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:04,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295790695] [2021-10-11 00:34:04,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:04,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:04,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132161178] [2021-10-11 00:34:04,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:04,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:04,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:04,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,418 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2021-10-11 00:34:04,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:04,432 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-10-11 00:34:04,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:04,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:34:04,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:04,434 INFO L225 Difference]: With dead ends: 115 [2021-10-11 00:34:04,434 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:34:04,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:34:04,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:34:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:34:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 00:34:04,443 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2021-10-11 00:34:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:04,444 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 00:34:04,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 00:34:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:34:04,446 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:04,446 INFO L422 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] [2021-10-11 00:34:04,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:34:04,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:04,447 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2021-10-11 00:34:04,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:04,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507086964] [2021-10-11 00:34:04,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:04,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507086964] [2021-10-11 00:34:04,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:04,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:04,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28088321] [2021-10-11 00:34:04,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:04,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:04,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:04,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,555 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 00:34:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:04,592 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2021-10-11 00:34:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:04,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:34:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:04,595 INFO L225 Difference]: With dead ends: 135 [2021-10-11 00:34:04,595 INFO L226 Difference]: Without dead ends: 92 [2021-10-11 00:34:04,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-11 00:34:04,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2021-10-11 00:34:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-10-11 00:34:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2021-10-11 00:34:04,622 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2021-10-11 00:34:04,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:04,623 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2021-10-11 00:34:04,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2021-10-11 00:34:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:34:04,625 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:04,625 INFO L422 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] [2021-10-11 00:34:04,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:34:04,625 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:04,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:04,627 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2021-10-11 00:34:04,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:04,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582129793] [2021-10-11 00:34:04,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:04,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582129793] [2021-10-11 00:34:04,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:04,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:34:04,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44738479] [2021-10-11 00:34:04,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:04,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:04,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:04,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,752 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2021-10-11 00:34:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:04,810 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-10-11 00:34:04,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:04,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:34:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:04,813 INFO L225 Difference]: With dead ends: 211 [2021-10-11 00:34:04,813 INFO L226 Difference]: Without dead ends: 129 [2021-10-11 00:34:04,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-11 00:34:04,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2021-10-11 00:34:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2021-10-11 00:34:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2021-10-11 00:34:04,838 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2021-10-11 00:34:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:04,839 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2021-10-11 00:34:04,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2021-10-11 00:34:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:34:04,840 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:04,841 INFO L422 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] [2021-10-11 00:34:04,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:34:04,841 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:04,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2021-10-11 00:34:04,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:04,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586909542] [2021-10-11 00:34:04,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:04,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586909542] [2021-10-11 00:34:04,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:04,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:34:04,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093301702] [2021-10-11 00:34:04,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:04,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:04,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:04,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:04,977 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2021-10-11 00:34:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:05,142 INFO L93 Difference]: Finished difference Result 451 states and 663 transitions. [2021-10-11 00:34:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:34:05,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:34:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:05,149 INFO L225 Difference]: With dead ends: 451 [2021-10-11 00:34:05,149 INFO L226 Difference]: Without dead ends: 330 [2021-10-11 00:34:05,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:34:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-11 00:34:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 210. [2021-10-11 00:34:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-10-11 00:34:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2021-10-11 00:34:05,213 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 25 [2021-10-11 00:34:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:05,213 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2021-10-11 00:34:05,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2021-10-11 00:34:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:34:05,215 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:05,218 INFO L422 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] [2021-10-11 00:34:05,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:34:05,218 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash 731508994, now seen corresponding path program 1 times [2021-10-11 00:34:05,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:05,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895358791] [2021-10-11 00:34:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:05,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895358791] [2021-10-11 00:34:05,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:05,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:34:05,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120803527] [2021-10-11 00:34:05,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:05,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:05,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:05,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:05,333 INFO L87 Difference]: Start difference. First operand 210 states and 296 transitions. Second operand 5 states. [2021-10-11 00:34:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:05,501 INFO L93 Difference]: Finished difference Result 450 states and 648 transitions. [2021-10-11 00:34:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:34:05,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:34:05,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:05,505 INFO L225 Difference]: With dead ends: 450 [2021-10-11 00:34:05,505 INFO L226 Difference]: Without dead ends: 448 [2021-10-11 00:34:05,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:05,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-11 00:34:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 210. [2021-10-11 00:34:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-10-11 00:34:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 294 transitions. [2021-10-11 00:34:05,528 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 294 transitions. Word has length 26 [2021-10-11 00:34:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:05,528 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 294 transitions. [2021-10-11 00:34:05,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2021-10-11 00:34:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:34:05,531 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:05,531 INFO L422 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] [2021-10-11 00:34:05,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:34:05,532 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:05,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:05,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1548133156, now seen corresponding path program 1 times [2021-10-11 00:34:05,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:05,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84282770] [2021-10-11 00:34:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:05,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84282770] [2021-10-11 00:34:05,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:05,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:05,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489081401] [2021-10-11 00:34:05,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:34:05,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:05,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:34:05,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:34:05,622 INFO L87 Difference]: Start difference. First operand 210 states and 294 transitions. Second operand 4 states. [2021-10-11 00:34:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:05,744 INFO L93 Difference]: Finished difference Result 434 states and 619 transitions. [2021-10-11 00:34:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:34:05,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 00:34:05,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:05,747 INFO L225 Difference]: With dead ends: 434 [2021-10-11 00:34:05,747 INFO L226 Difference]: Without dead ends: 313 [2021-10-11 00:34:05,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:34:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-10-11 00:34:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 309. [2021-10-11 00:34:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2021-10-11 00:34:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2021-10-11 00:34:05,772 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 31 [2021-10-11 00:34:05,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:05,773 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2021-10-11 00:34:05,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:34:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2021-10-11 00:34:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:34:05,775 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:05,775 INFO L422 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] [2021-10-11 00:34:05,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:34:05,776 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:05,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1289967718, now seen corresponding path program 1 times [2021-10-11 00:34:05,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:05,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273252397] [2021-10-11 00:34:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:05,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273252397] [2021-10-11 00:34:05,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:05,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:34:05,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849886814] [2021-10-11 00:34:05,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:34:05,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:05,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:34:05,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:34:05,842 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand 4 states. [2021-10-11 00:34:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:05,928 INFO L93 Difference]: Finished difference Result 910 states and 1288 transitions. [2021-10-11 00:34:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:34:05,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 00:34:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:05,935 INFO L225 Difference]: With dead ends: 910 [2021-10-11 00:34:05,935 INFO L226 Difference]: Without dead ends: 688 [2021-10-11 00:34:05,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:05,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-10-11 00:34:05,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 309. [2021-10-11 00:34:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2021-10-11 00:34:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 427 transitions. [2021-10-11 00:34:05,970 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 427 transitions. Word has length 31 [2021-10-11 00:34:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:05,971 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 427 transitions. [2021-10-11 00:34:05,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:34:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 427 transitions. [2021-10-11 00:34:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:34:05,972 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:05,973 INFO L422 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] [2021-10-11 00:34:05,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:34:05,973 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:05,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1682994728, now seen corresponding path program 1 times [2021-10-11 00:34:05,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:05,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146846772] [2021-10-11 00:34:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:06,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146846772] [2021-10-11 00:34:06,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:06,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:06,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215432] [2021-10-11 00:34:06,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:06,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:06,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:06,052 INFO L87 Difference]: Start difference. First operand 309 states and 427 transitions. Second operand 5 states. [2021-10-11 00:34:06,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:06,282 INFO L93 Difference]: Finished difference Result 920 states and 1288 transitions. [2021-10-11 00:34:06,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:34:06,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:34:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:06,287 INFO L225 Difference]: With dead ends: 920 [2021-10-11 00:34:06,287 INFO L226 Difference]: Without dead ends: 698 [2021-10-11 00:34:06,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:06,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2021-10-11 00:34:06,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 340. [2021-10-11 00:34:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2021-10-11 00:34:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 473 transitions. [2021-10-11 00:34:06,336 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 473 transitions. Word has length 31 [2021-10-11 00:34:06,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:06,336 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 473 transitions. [2021-10-11 00:34:06,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 473 transitions. [2021-10-11 00:34:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-11 00:34:06,338 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:06,339 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 00:34:06,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:34:06,339 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:06,340 INFO L82 PathProgramCache]: Analyzing trace with hash -139690530, now seen corresponding path program 1 times [2021-10-11 00:34:06,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:06,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599246772] [2021-10-11 00:34:06,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:34:06,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599246772] [2021-10-11 00:34:06,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:06,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:06,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646010164] [2021-10-11 00:34:06,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:34:06,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:06,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:06,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:06,384 INFO L87 Difference]: Start difference. First operand 340 states and 473 transitions. Second operand 3 states. [2021-10-11 00:34:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:06,445 INFO L93 Difference]: Finished difference Result 429 states and 592 transitions. [2021-10-11 00:34:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:06,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-10-11 00:34:06,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:06,452 INFO L225 Difference]: With dead ends: 429 [2021-10-11 00:34:06,452 INFO L226 Difference]: Without dead ends: 162 [2021-10-11 00:34:06,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:06,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-10-11 00:34:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 150. [2021-10-11 00:34:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2021-10-11 00:34:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2021-10-11 00:34:06,466 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 47 [2021-10-11 00:34:06,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:06,468 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2021-10-11 00:34:06,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:34:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2021-10-11 00:34:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:34:06,469 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:06,469 INFO L422 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] [2021-10-11 00:34:06,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:34:06,469 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:06,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:06,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1164793824, now seen corresponding path program 1 times [2021-10-11 00:34:06,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:06,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292131614] [2021-10-11 00:34:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:34:06,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292131614] [2021-10-11 00:34:06,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:06,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:06,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728860274] [2021-10-11 00:34:06,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:06,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:06,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:06,540 INFO L87 Difference]: Start difference. First operand 150 states and 196 transitions. Second operand 5 states. [2021-10-11 00:34:06,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:06,625 INFO L93 Difference]: Finished difference Result 393 states and 514 transitions. [2021-10-11 00:34:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:34:06,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:34:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:06,627 INFO L225 Difference]: With dead ends: 393 [2021-10-11 00:34:06,628 INFO L226 Difference]: Without dead ends: 249 [2021-10-11 00:34:06,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:34:06,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-11 00:34:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 159. [2021-10-11 00:34:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2021-10-11 00:34:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 205 transitions. [2021-10-11 00:34:06,643 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 205 transitions. Word has length 51 [2021-10-11 00:34:06,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:06,643 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 205 transitions. [2021-10-11 00:34:06,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:06,644 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2021-10-11 00:34:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:34:06,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:06,644 INFO L422 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] [2021-10-11 00:34:06,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:34:06,645 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash -463193950, now seen corresponding path program 1 times [2021-10-11 00:34:06,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:06,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130891401] [2021-10-11 00:34:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:34:06,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130891401] [2021-10-11 00:34:06,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:06,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:06,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827399589] [2021-10-11 00:34:06,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:06,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:06,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:06,741 INFO L87 Difference]: Start difference. First operand 159 states and 205 transitions. Second operand 5 states. [2021-10-11 00:34:06,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:06,828 INFO L93 Difference]: Finished difference Result 333 states and 430 transitions. [2021-10-11 00:34:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:34:06,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:34:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:06,831 INFO L225 Difference]: With dead ends: 333 [2021-10-11 00:34:06,831 INFO L226 Difference]: Without dead ends: 180 [2021-10-11 00:34:06,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:34:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-10-11 00:34:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 135. [2021-10-11 00:34:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 00:34:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-10-11 00:34:06,849 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 51 [2021-10-11 00:34:06,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:06,850 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-10-11 00:34:06,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-10-11 00:34:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:34:06,852 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:06,852 INFO L422 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] [2021-10-11 00:34:06,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:34:06,852 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:06,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:06,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1312943258, now seen corresponding path program 1 times [2021-10-11 00:34:06,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:06,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840136184] [2021-10-11 00:34:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:06,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840136184] [2021-10-11 00:34:06,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625925729] [2021-10-11 00:34:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:07,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:34:07,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:07,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:34:07,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-11 00:34:07,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137777822] [2021-10-11 00:34:07,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:34:07,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:34:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:34:07,282 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand 8 states. [2021-10-11 00:34:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:07,665 INFO L93 Difference]: Finished difference Result 516 states and 669 transitions. [2021-10-11 00:34:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:34:07,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-10-11 00:34:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:07,669 INFO L225 Difference]: With dead ends: 516 [2021-10-11 00:34:07,669 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 00:34:07,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-10-11 00:34:07,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 00:34:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 189. [2021-10-11 00:34:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2021-10-11 00:34:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 241 transitions. [2021-10-11 00:34:07,694 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 241 transitions. Word has length 52 [2021-10-11 00:34:07,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:07,694 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 241 transitions. [2021-10-11 00:34:07,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:34:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 241 transitions. [2021-10-11 00:34:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 00:34:07,695 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:07,695 INFO L422 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] [2021-10-11 00:34:07,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:34:07,920 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:07,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1082347880, now seen corresponding path program 2 times [2021-10-11 00:34:07,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:07,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757658461] [2021-10-11 00:34:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:34:08,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757658461] [2021-10-11 00:34:08,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:08,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:08,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354349516] [2021-10-11 00:34:08,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:08,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:08,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:08,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:08,074 INFO L87 Difference]: Start difference. First operand 189 states and 241 transitions. Second operand 5 states. [2021-10-11 00:34:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:08,461 INFO L93 Difference]: Finished difference Result 584 states and 755 transitions. [2021-10-11 00:34:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:34:08,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 00:34:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:08,464 INFO L225 Difference]: With dead ends: 584 [2021-10-11 00:34:08,464 INFO L226 Difference]: Without dead ends: 424 [2021-10-11 00:34:08,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:34:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-10-11 00:34:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 265. [2021-10-11 00:34:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-10-11 00:34:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 336 transitions. [2021-10-11 00:34:08,503 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 336 transitions. Word has length 73 [2021-10-11 00:34:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:08,503 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 336 transitions. [2021-10-11 00:34:08,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 336 transitions. [2021-10-11 00:34:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 00:34:08,504 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:34:08,505 INFO L422 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] [2021-10-11 00:34:08,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:34:08,505 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:34:08,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:08,505 INFO L82 PathProgramCache]: Analyzing trace with hash -807588266, now seen corresponding path program 1 times [2021-10-11 00:34:08,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:08,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711547812] [2021-10-11 00:34:08,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:34:08,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711547812] [2021-10-11 00:34:08,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914718324] [2021-10-11 00:34:08,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:34:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:08,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:34:08,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:34:08,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:34:08,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-10-11 00:34:08,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761644238] [2021-10-11 00:34:08,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:34:08,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:08,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:08,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:34:08,849 INFO L87 Difference]: Start difference. First operand 265 states and 336 transitions. Second operand 5 states. [2021-10-11 00:34:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:08,929 INFO L93 Difference]: Finished difference Result 468 states and 590 transitions. [2021-10-11 00:34:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:34:08,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 00:34:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:34:08,930 INFO L225 Difference]: With dead ends: 468 [2021-10-11 00:34:08,930 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:34:08,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:34:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:34:08,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:34:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:34:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:34:08,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-11 00:34:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:34:08,935 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:08,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:34:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:34:08,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:34:09,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-11 00:34:09,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:34:09,491 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 113 [2021-10-11 00:34:09,654 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2021-10-11 00:34:10,131 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 109 [2021-10-11 00:34:10,534 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 109 [2021-10-11 00:34:10,763 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 105 [2021-10-11 00:34:10,992 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 125 [2021-10-11 00:34:11,399 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2021-10-11 00:34:11,704 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2021-10-11 00:34:11,980 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2021-10-11 00:34:12,236 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2021-10-11 00:34:12,636 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2021-10-11 00:34:12,934 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2021-10-11 00:34:13,278 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2021-10-11 00:34:13,710 WARN L197 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 15 [2021-10-11 00:34:14,295 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2021-10-11 00:34:14,299 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268(lines 259 272) the Hoare annotation is: false [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268-1(lines 259 272) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268-2(lines 259 272) the Hoare annotation is: false [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268-3(lines 259 272) the Hoare annotation is: false [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268-4(lines 259 272) the Hoare annotation is: false [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L268-5(lines 259 272) the Hoare annotation is: false [2021-10-11 00:34:14,300 INFO L258 CegarLoopResult]: At program point L335(lines 335 341) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:34:14,301 INFO L258 CegarLoopResult]: At program point L335-1(lines 335 341) the Hoare annotation is: false [2021-10-11 00:34:14,301 INFO L258 CegarLoopResult]: At program point L335-2(lines 335 341) the Hoare annotation is: false [2021-10-11 00:34:14,301 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:34:14,301 INFO L258 CegarLoopResult]: At program point L305(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:34:14,301 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:34:14,301 INFO L262 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,301 INFO L262 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,301 INFO L262 CegarLoopResult]: For program point L604-2(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,301 INFO L258 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:34:14,301 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L258 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-10-11 00:34:14,302 INFO L258 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507-2(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507-3(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507-5(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507-6(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L507-8(lines 507 511) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L262 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-10-11 00:34:14,302 INFO L258 CegarLoopResult]: At program point L278(lines 273 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2021-10-11 00:34:14,303 INFO L262 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L313(lines 308 316) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:34:14,303 INFO L262 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-10-11 00:34:14,303 INFO L262 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L579-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L513(lines 498 516) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2021-10-11 00:34:14,303 INFO L258 CegarLoopResult]: At program point L513-1(lines 498 516) the Hoare annotation is: false [2021-10-11 00:34:14,304 INFO L258 CegarLoopResult]: At program point L513-2(lines 498 516) the Hoare annotation is: false [2021-10-11 00:34:14,304 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:34:14,304 INFO L262 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-10-11 00:34:14,309 INFO L262 CegarLoopResult]: For program point L186-3(lines 186 190) no Hoare annotation was computed. [2021-10-11 00:34:14,309 INFO L262 CegarLoopResult]: For program point L186-6(lines 186 190) no Hoare annotation was computed. [2021-10-11 00:34:14,310 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:34:14,310 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:34:14,310 INFO L262 CegarLoopResult]: For program point L386(lines 386 403) no Hoare annotation was computed. [2021-10-11 00:34:14,310 INFO L262 CegarLoopResult]: For program point L386-1(lines 386 403) no Hoare annotation was computed. [2021-10-11 00:34:14,310 INFO L262 CegarLoopResult]: For program point L386-2(lines 386 403) no Hoare annotation was computed. [2021-10-11 00:34:14,310 INFO L258 CegarLoopResult]: At program point L255(lines 250 258) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= 0 ~systemActive~0) .cse3 .cse1))) [2021-10-11 00:34:14,311 INFO L258 CegarLoopResult]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2021-10-11 00:34:14,311 INFO L258 CegarLoopResult]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2021-10-11 00:34:14,311 INFO L262 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-11 00:34:14,311 INFO L258 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:34:14,311 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:34:14,311 INFO L262 CegarLoopResult]: For program point L157(lines 157 170) no Hoare annotation was computed. [2021-10-11 00:34:14,312 INFO L258 CegarLoopResult]: At program point L157-1(lines 1 973) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse2 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1 (<= 1 ~waterLevel~0) .cse4))) [2021-10-11 00:34:14,313 INFO L262 CegarLoopResult]: For program point L157-2(lines 157 170) no Hoare annotation was computed. [2021-10-11 00:34:14,313 INFO L258 CegarLoopResult]: At program point L157-3(lines 1 973) the Hoare annotation is: false [2021-10-11 00:34:14,313 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:34:14,313 INFO L262 CegarLoopResult]: For program point L58-1(lines 328 334) no Hoare annotation was computed. [2021-10-11 00:34:14,313 INFO L262 CegarLoopResult]: For program point L157-4(lines 157 170) no Hoare annotation was computed. [2021-10-11 00:34:14,314 INFO L258 CegarLoopResult]: At program point L157-5(lines 1 973) the Hoare annotation is: false [2021-10-11 00:34:14,314 INFO L262 CegarLoopResult]: For program point L521(lines 521 527) no Hoare annotation was computed. [2021-10-11 00:34:14,314 INFO L258 CegarLoopResult]: At program point L521-1(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:34:14,314 INFO L262 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,314 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,314 INFO L262 CegarLoopResult]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,314 INFO L262 CegarLoopResult]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,315 INFO L262 CegarLoopResult]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,316 INFO L262 CegarLoopResult]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2021-10-11 00:34:14,316 INFO L262 CegarLoopResult]: For program point L390(lines 390 398) no Hoare annotation was computed. [2021-10-11 00:34:14,316 INFO L262 CegarLoopResult]: For program point L390-1(lines 390 398) no Hoare annotation was computed. [2021-10-11 00:34:14,316 INFO L262 CegarLoopResult]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2021-10-11 00:34:14,316 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:34:14,317 INFO L262 CegarLoopResult]: For program point L161(lines 161 167) no Hoare annotation was computed. [2021-10-11 00:34:14,317 INFO L262 CegarLoopResult]: For program point L161-2(lines 161 167) no Hoare annotation was computed. [2021-10-11 00:34:14,317 INFO L262 CegarLoopResult]: For program point L161-4(lines 161 167) no Hoare annotation was computed. [2021-10-11 00:34:14,317 INFO L258 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360-1(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360-2(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360-3(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360-4(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L262 CegarLoopResult]: For program point L360-5(lines 360 377) no Hoare annotation was computed. [2021-10-11 00:34:14,318 INFO L258 CegarLoopResult]: At program point L328(lines 327 346) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse0) (and (= 1 ~systemActive~0) .cse0 (<= 1 ~waterLevel~0)))) [2021-10-11 00:34:14,319 INFO L262 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2021-10-11 00:34:14,319 INFO L258 CegarLoopResult]: At program point L328-2(lines 327 346) the Hoare annotation is: false [2021-10-11 00:34:14,319 INFO L258 CegarLoopResult]: At program point L328-3(lines 327 346) the Hoare annotation is: false [2021-10-11 00:34:14,319 INFO L258 CegarLoopResult]: At program point L494(lines 479 497) the Hoare annotation is: false [2021-10-11 00:34:14,319 INFO L258 CegarLoopResult]: At program point L494-1(lines 479 497) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not .cse1) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-11 00:34:14,320 INFO L258 CegarLoopResult]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2021-10-11 00:34:14,320 INFO L258 CegarLoopResult]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2021-10-11 00:34:14,320 INFO L258 CegarLoopResult]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2021-10-11 00:34:14,320 INFO L258 CegarLoopResult]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263-2(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263-3(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263-4(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,321 INFO L262 CegarLoopResult]: For program point L263-5(lines 263 269) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,322 INFO L262 CegarLoopResult]: For program point L364-1(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,323 INFO L262 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,323 INFO L262 CegarLoopResult]: For program point L364-3(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,323 INFO L262 CegarLoopResult]: For program point L364-4(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,323 INFO L262 CegarLoopResult]: For program point L364-5(lines 364 372) no Hoare annotation was computed. [2021-10-11 00:34:14,323 INFO L262 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2021-10-11 00:34:14,325 INFO L258 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:34:14,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:14 BoogieIcfgContainer [2021-10-11 00:34:14,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:34:14,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:34:14,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:34:14,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:34:14,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:03" (3/4) ... [2021-10-11 00:34:14,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:34:14,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:34:14,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:34:14,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:34:14,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:34:14,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:34:14,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:14,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:14,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2021-10-11 00:34:14,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:34:14,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:34:14,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-10-11 00:34:14,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:34:14,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:34:14,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2021-10-11 00:34:14,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:34:14,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4d78bbf-d5d1-4f5c-940a-31a205d5adf1/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:34:14,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:34:14,580 INFO L168 Benchmark]: Toolchain (without parser) took 12724.57 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 80.5 MB in the beginning and 84.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 122.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,581 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 83.9 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:14,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.46 ms. Allocated memory is still 109.1 MB. Free memory was 80.5 MB in the beginning and 75.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.96 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 71.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,582 INFO L168 Benchmark]: Boogie Preprocessor took 57.85 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 68.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,582 INFO L168 Benchmark]: RCFGBuilder took 1135.59 ms. Allocated memory is still 109.1 MB. Free memory was 68.3 MB in the beginning and 74.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,583 INFO L168 Benchmark]: TraceAbstraction took 10677.34 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 74.0 MB in the beginning and 93.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 131.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,583 INFO L168 Benchmark]: Witness Printer took 203.99 ms. Allocated memory is still 234.9 MB. Free memory was 93.9 MB in the beginning and 84.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 83.9 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.46 ms. Allocated memory is still 109.1 MB. Free memory was 80.5 MB in the beginning and 75.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.96 ms. Allocated memory is still 109.1 MB. Free memory was 75.1 MB in the beginning and 71.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.85 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 68.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1135.59 ms. Allocated memory is still 109.1 MB. Free memory was 68.3 MB in the beginning and 74.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10677.34 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 74.0 MB in the beginning and 93.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 131.1 MB. Max. memory is 16.1 GB. * Witness Printer took 203.99 ms. Allocated memory is still 234.9 MB. Free memory was 93.9 MB in the beginning and 84.5 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: - 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((tmp == 0 && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: 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: 259]: 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: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1635 SDtfs, 1913 SDslu, 2692 SDs, 0 SdLazy, 416 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1633 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 162 NumberOfFragments, 465 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1179822 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 141145 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 695 NumberOfCodeBlocks, 695 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 55000 SizeOfPredicates, 6 NumberOfNonLiveVariables, 899 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 200/216 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...