./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg --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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:39:01,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:39:01,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:39:01,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:39:01,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:39:01,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:39:01,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:39:01,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:39:01,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:39:01,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:39:01,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:39:01,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:39:01,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:39:01,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:39:01,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:39:01,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:39:01,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:39:01,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:39:01,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:39:01,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:39:01,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:39:01,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:39:01,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:39:01,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:39:01,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:39:01,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:39:01,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:39:01,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:39:01,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:39:01,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:39:01,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:39:01,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:39:01,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:39:01,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:39:01,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:39:01,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:39:01,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:39:01,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:39:01,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:39:01,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:39:01,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:39:01,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:39:01,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:39:01,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:39:01,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:39:01,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:39:01,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:39:01,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:39:01,440 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:39:01,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:39:01,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:39:01,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:39:01,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:39:01,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:39:01,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:39:01,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:39:01,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:39:01,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:39:01,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:39:01,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:39:01,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:39:01,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:39:01,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:39:01,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:39:01,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:39:01,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:39:01,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:39:01,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:39:01,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:39:01,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:39:01,446 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:39:01,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:39:01,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:39:01,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:39:01,449 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_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2021-10-28 08:39:01,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:39:01,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:39:01,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:39:01,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:39:01,765 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:39:01,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-10-28 08:39:01,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/data/c0b5d2297/f78a29359271498296c09bc70536d355/FLAGddb73a3a3 [2021-10-28 08:39:02,446 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:39:02,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-10-28 08:39:02,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/data/c0b5d2297/f78a29359271498296c09bc70536d355/FLAGddb73a3a3 [2021-10-28 08:39:02,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/data/c0b5d2297/f78a29359271498296c09bc70536d355 [2021-10-28 08:39:02,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:39:02,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:39:02,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:39:02,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:39:02,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:39:02,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:39:02" (1/1) ... [2021-10-28 08:39:02,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc20206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:02, skipping insertion in model container [2021-10-28 08:39:02,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:39:02" (1/1) ... [2021-10-28 08:39:02,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:39:02,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:39:03,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2021-10-28 08:39:03,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:39:03,190 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:39:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2021-10-28 08:39:03,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:39:03,327 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:39:03,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03 WrapperNode [2021-10-28 08:39:03,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:39:03,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:39:03,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:39:03,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:39:03,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:39:03,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:39:03,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:39:03,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:39:03,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:39:03,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:39:03,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:39:03,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:39:03,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (1/1) ... [2021-10-28 08:39:03,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:39:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:39:03,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:39:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:39:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:39:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:39:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:39:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:39:04,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:39:04,716 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-10-28 08:39:04,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:39:04 BoogieIcfgContainer [2021-10-28 08:39:04,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:39:04,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:39:04,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:39:04,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:39:04,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:39:02" (1/3) ... [2021-10-28 08:39:04,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7567c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:39:04, skipping insertion in model container [2021-10-28 08:39:04,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:39:03" (2/3) ... [2021-10-28 08:39:04,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7567c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:39:04, skipping insertion in model container [2021-10-28 08:39:04,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:39:04" (3/3) ... [2021-10-28 08:39:04,729 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-10-28 08:39:04,734 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:39:04,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:39:04,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:39:04,793 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:39:04,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:39:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:39:04,819 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:04,820 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:04,820 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:04,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2021-10-28 08:39:04,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:04,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624855520] [2021-10-28 08:39:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:04,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:05,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:05,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624855520] [2021-10-28 08:39:05,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624855520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:05,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:05,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:39:05,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465007345] [2021-10-28 08:39:05,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:39:05,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:39:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:39:05,203 INFO L87 Difference]: Start difference. First operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:05,248 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-10-28 08:39:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:39:05,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 08:39:05,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:05,270 INFO L225 Difference]: With dead ends: 237 [2021-10-28 08:39:05,270 INFO L226 Difference]: Without dead ends: 118 [2021-10-28 08:39:05,274 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:39:05,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-28 08:39:05,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-28 08:39:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.4869565217391305) internal successors, (171), 117 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-10-28 08:39:05,326 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-10-28 08:39:05,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:05,327 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-10-28 08:39:05,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-10-28 08:39:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 08:39:05,330 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:05,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:05,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:39:05,331 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:05,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2021-10-28 08:39:05,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:05,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91710389] [2021-10-28 08:39:05,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:05,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:05,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:05,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91710389] [2021-10-28 08:39:05,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91710389] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:05,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:05,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:39:05,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652544152] [2021-10-28 08:39:05,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:39:05,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:05,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:39:05,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,479 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:05,492 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-10-28 08:39:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:39:05,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 08:39:05,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:05,494 INFO L225 Difference]: With dead ends: 118 [2021-10-28 08:39:05,494 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 08:39:05,495 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 08:39:05,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 08:39:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 08:39:05,502 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 08:39:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:05,503 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 08:39:05,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 08:39:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:39:05,505 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:05,505 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:05,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:39:05,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:05,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:05,512 INFO L85 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2021-10-28 08:39:05,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:05,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390998389] [2021-10-28 08:39:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:05,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:05,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:05,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390998389] [2021-10-28 08:39:05,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390998389] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:05,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:05,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:39:05,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448601840] [2021-10-28 08:39:05,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:39:05,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:05,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:39:05,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,614 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:05,663 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2021-10-28 08:39:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:39:05,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 08:39:05,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:05,669 INFO L225 Difference]: With dead ends: 139 [2021-10-28 08:39:05,671 INFO L226 Difference]: Without dead ends: 95 [2021-10-28 08:39:05,672 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-28 08:39:05,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-10-28 08:39:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.488888888888889) internal successors, (134), 90 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2021-10-28 08:39:05,688 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2021-10-28 08:39:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:05,690 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2021-10-28 08:39:05,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-10-28 08:39:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 08:39:05,694 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:05,694 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:05,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:39:05,695 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:05,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:05,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2021-10-28 08:39:05,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:05,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887328937] [2021-10-28 08:39:05,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:05,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:05,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:05,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887328937] [2021-10-28 08:39:05,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887328937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:05,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:05,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:39:05,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217417614] [2021-10-28 08:39:05,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:39:05,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:39:05,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,822 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:05,897 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2021-10-28 08:39:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:39:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 08:39:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:05,901 INFO L225 Difference]: With dead ends: 222 [2021-10-28 08:39:05,902 INFO L226 Difference]: Without dead ends: 138 [2021-10-28 08:39:05,904 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-28 08:39:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-10-28 08:39:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-28 08:39:05,922 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2021-10-28 08:39:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:05,922 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-28 08:39:05,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-28 08:39:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 08:39:05,924 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:05,924 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:05,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:39:05,925 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:05,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2021-10-28 08:39:05,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:05,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354628362] [2021-10-28 08:39:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:05,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:06,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:06,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354628362] [2021-10-28 08:39:06,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354628362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:06,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:06,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:39:06,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27207424] [2021-10-28 08:39:06,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:39:06,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:39:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:39:06,019 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:06,178 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2021-10-28 08:39:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:39:06,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-28 08:39:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:06,182 INFO L225 Difference]: With dead ends: 475 [2021-10-28 08:39:06,182 INFO L226 Difference]: Without dead ends: 346 [2021-10-28 08:39:06,183 INFO L786 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 [2021-10-28 08:39:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-28 08:39:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2021-10-28 08:39:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.4285714285714286) internal successors, (190), 133 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2021-10-28 08:39:06,230 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2021-10-28 08:39:06,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:06,231 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2021-10-28 08:39:06,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2021-10-28 08:39:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:39:06,238 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:06,238 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:06,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:39:06,239 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2021-10-28 08:39:06,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:06,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590957658] [2021-10-28 08:39:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:06,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:06,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:06,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590957658] [2021-10-28 08:39:06,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590957658] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:06,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:06,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:39:06,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940627654] [2021-10-28 08:39:06,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:39:06,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:06,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:39:06,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:39:06,326 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:06,388 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2021-10-28 08:39:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:39:06,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:39:06,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:06,391 INFO L225 Difference]: With dead ends: 363 [2021-10-28 08:39:06,392 INFO L226 Difference]: Without dead ends: 236 [2021-10-28 08:39:06,392 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:39:06,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-28 08:39:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2021-10-28 08:39:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.393103448275862) internal successors, (202), 145 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2021-10-28 08:39:06,410 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2021-10-28 08:39:06,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:06,411 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2021-10-28 08:39:06,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2021-10-28 08:39:06,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:39:06,413 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:06,413 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:06,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:39:06,413 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:06,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:06,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2021-10-28 08:39:06,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:06,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144847943] [2021-10-28 08:39:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:06,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:06,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:06,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144847943] [2021-10-28 08:39:06,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144847943] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:06,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:06,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:39:06,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346215300] [2021-10-28 08:39:06,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:39:06,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:06,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:39:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:39:06,469 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:06,509 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2021-10-28 08:39:06,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:39:06,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:39:06,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:06,511 INFO L225 Difference]: With dead ends: 351 [2021-10-28 08:39:06,511 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 08:39:06,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:39:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 08:39:06,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2021-10-28 08:39:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 153 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2021-10-28 08:39:06,544 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2021-10-28 08:39:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:06,546 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2021-10-28 08:39:06,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-10-28 08:39:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:39:06,552 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:06,553 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:06,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:39:06,553 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:06,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:06,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2021-10-28 08:39:06,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:06,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844969584] [2021-10-28 08:39:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:06,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:06,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:06,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844969584] [2021-10-28 08:39:06,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844969584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:06,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:06,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:39:06,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712036012] [2021-10-28 08:39:06,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:39:06,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:39:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:06,625 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:06,656 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2021-10-28 08:39:06,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:39:06,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:39:06,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:06,659 INFO L225 Difference]: With dead ends: 359 [2021-10-28 08:39:06,659 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 08:39:06,659 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 08:39:06,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-10-28 08:39:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.3317535545023698) internal successors, (281), 211 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2021-10-28 08:39:06,683 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2021-10-28 08:39:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:06,684 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2021-10-28 08:39:06,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-10-28 08:39:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 08:39:06,686 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:06,686 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:06,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:39:06,688 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2021-10-28 08:39:06,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:06,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211689885] [2021-10-28 08:39:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:06,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:06,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:06,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211689885] [2021-10-28 08:39:06,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211689885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:06,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:06,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:39:06,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262705860] [2021-10-28 08:39:06,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:39:06,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:06,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:39:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:39:06,821 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:07,215 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2021-10-28 08:39:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:39:07,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 08:39:07,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:07,224 INFO L225 Difference]: With dead ends: 1039 [2021-10-28 08:39:07,225 INFO L226 Difference]: Without dead ends: 892 [2021-10-28 08:39:07,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:39:07,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-10-28 08:39:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2021-10-28 08:39:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3234501347708896) internal successors, (491), 371 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2021-10-28 08:39:07,288 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2021-10-28 08:39:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:07,289 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2021-10-28 08:39:07,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2021-10-28 08:39:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 08:39:07,290 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:07,291 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:07,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:39:07,291 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:07,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2021-10-28 08:39:07,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:07,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906145979] [2021-10-28 08:39:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:07,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:39:07,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:07,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906145979] [2021-10-28 08:39:07,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906145979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:39:07,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:39:07,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:39:07,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609031590] [2021-10-28 08:39:07,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:39:07,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:39:07,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:07,368 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:07,514 INFO L93 Difference]: Finished difference Result 624 states and 822 transitions. [2021-10-28 08:39:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:39:07,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 08:39:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:07,517 INFO L225 Difference]: With dead ends: 624 [2021-10-28 08:39:07,517 INFO L226 Difference]: Without dead ends: 259 [2021-10-28 08:39:07,518 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:39:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-28 08:39:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2021-10-28 08:39:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.3055555555555556) internal successors, (329), 252 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2021-10-28 08:39:07,546 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 55 [2021-10-28 08:39:07,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:07,546 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2021-10-28 08:39:07,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2021-10-28 08:39:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 08:39:07,547 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:39:07,548 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:07,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:39:07,548 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:39:07,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:39:07,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2021-10-28 08:39:07,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:39:07,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630933861] [2021-10-28 08:39:07,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:07,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:39:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:07,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:39:07,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630933861] [2021-10-28 08:39:07,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630933861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:39:07,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104173414] [2021-10-28 08:39:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:39:07,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:39:07,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:39:07,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:39:07,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:39:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:39:07,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:39:07,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:39:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:39:08,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104173414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:39:08,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:39:08,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 08:39:08,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315029122] [2021-10-28 08:39:08,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:39:08,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:39:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:39:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:39:08,077 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:39:08,452 INFO L93 Difference]: Finished difference Result 582 states and 769 transitions. [2021-10-28 08:39:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:39:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 08:39:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:39:08,455 INFO L225 Difference]: With dead ends: 582 [2021-10-28 08:39:08,455 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:39:08,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:39:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:39:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:39:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:39:08,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-28 08:39:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:39:08,458 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:39:08,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:39:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:39:08,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:39:08,461 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:39:08,461 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:39:08,464 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:39:08,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:39:08,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:39:08,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:39:08,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:08,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:09,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-8(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-9(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-11(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-12(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-14(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point L233-15(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L857 garLoopResultBuilder]: For program point L233-17(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L853 garLoopResultBuilder]: At program point L300-1(lines 300 306) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 08:39:11,800 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 135 143) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 143) no Hoare annotation was computed. [2021-10-28 08:39:11,800 INFO L853 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 934) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105-2(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105-3(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105-4(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L857 garLoopResultBuilder]: For program point L105-5(lines 105 122) no Hoare annotation was computed. [2021-10-28 08:39:11,801 INFO L853 garLoopResultBuilder]: At program point L73(lines 69 91) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:39:11,802 INFO L853 garLoopResultBuilder]: At program point L73-1(lines 69 91) the Hoare annotation is: false [2021-10-28 08:39:11,802 INFO L853 garLoopResultBuilder]: At program point L73-2(lines 69 91) the Hoare annotation is: false [2021-10-28 08:39:11,802 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2021-10-28 08:39:11,802 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 1 992) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-28 08:39:11,802 INFO L853 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: false [2021-10-28 08:39:11,802 INFO L857 garLoopResultBuilder]: For program point L734-2(lines 734 751) no Hoare annotation was computed. [2021-10-28 08:39:11,803 INFO L853 garLoopResultBuilder]: At program point L734-3(lines 1 992) the Hoare annotation is: false [2021-10-28 08:39:11,803 INFO L857 garLoopResultBuilder]: For program point L734-4(lines 734 751) no Hoare annotation was computed. [2021-10-28 08:39:11,803 INFO L853 garLoopResultBuilder]: At program point L734-5(lines 1 992) the Hoare annotation is: false [2021-10-28 08:39:11,803 INFO L853 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: false [2021-10-28 08:39:11,803 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 224 242) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-28 08:39:11,804 INFO L853 garLoopResultBuilder]: At program point L239-2(lines 224 242) the Hoare annotation is: false [2021-10-28 08:39:11,804 INFO L853 garLoopResultBuilder]: At program point L239-3(lines 224 242) the Hoare annotation is: false [2021-10-28 08:39:11,804 INFO L853 garLoopResultBuilder]: At program point L239-4(lines 224 242) the Hoare annotation is: false [2021-10-28 08:39:11,804 INFO L853 garLoopResultBuilder]: At program point L239-5(lines 224 242) the Hoare annotation is: false [2021-10-28 08:39:11,804 INFO L857 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2021-10-28 08:39:11,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,805 INFO L853 garLoopResultBuilder]: At program point L175(lines 168 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 08:39:11,805 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 168 178) the Hoare annotation is: false [2021-10-28 08:39:11,805 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,805 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 168 178) the Hoare annotation is: false [2021-10-28 08:39:11,805 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,805 INFO L857 garLoopResultBuilder]: For program point L109-2(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L109-3(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L109-4(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L109-5(lines 109 117) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2021-10-28 08:39:11,806 INFO L857 garLoopResultBuilder]: For program point L738-2(lines 738 748) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L857 garLoopResultBuilder]: For program point L738-4(lines 738 748) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L857 garLoopResultBuilder]: For program point L739-2(lines 739 745) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L857 garLoopResultBuilder]: For program point L739-4(lines 739 745) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2021-10-28 08:39:11,807 INFO L853 garLoopResultBuilder]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 08:39:11,808 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 80 86) the Hoare annotation is: false [2021-10-28 08:39:11,808 INFO L853 garLoopResultBuilder]: At program point L80-2(lines 80 86) the Hoare annotation is: false [2021-10-28 08:39:11,808 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-28 08:39:11,808 INFO L857 garLoopResultBuilder]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-28 08:39:11,808 INFO L857 garLoopResultBuilder]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-28 08:39:11,808 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-28 08:39:11,809 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= ~waterLevel~0 2)) [2021-10-28 08:39:11,809 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2021-10-28 08:39:11,809 INFO L860 garLoopResultBuilder]: At program point L842-1(lines 842 849) the Hoare annotation is: true [2021-10-28 08:39:11,809 INFO L857 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2021-10-28 08:39:11,809 INFO L853 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-28 08:39:11,809 INFO L853 garLoopResultBuilder]: At program point L975-1(lines 970 978) the Hoare annotation is: false [2021-10-28 08:39:11,810 INFO L853 garLoopResultBuilder]: At program point L975-2(lines 970 978) the Hoare annotation is: false [2021-10-28 08:39:11,810 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-10-28 08:39:11,810 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 08:39:11,810 INFO L853 garLoopResultBuilder]: At program point L943-1(lines 938 946) the Hoare annotation is: false [2021-10-28 08:39:11,810 INFO L853 garLoopResultBuilder]: At program point L943-2(lines 938 946) the Hoare annotation is: false [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6))) [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 179 187) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 179 187) the Hoare annotation is: false [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 179 187) the Hoare annotation is: false [2021-10-28 08:39:11,811 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 179 187) the Hoare annotation is: false [2021-10-28 08:39:11,812 INFO L853 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:39:11,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:39:11,812 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-10-28 08:39:11,812 INFO L853 garLoopResultBuilder]: At program point L318-1(lines 1 992) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 08:39:11,812 INFO L853 garLoopResultBuilder]: At program point L815(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:39:11,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L857 garLoopResultBuilder]: For program point L983-1(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L857 garLoopResultBuilder]: For program point L983-2(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L857 garLoopResultBuilder]: For program point L983-3(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L857 garLoopResultBuilder]: For program point L983-4(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,813 INFO L860 garLoopResultBuilder]: At program point L851(lines 832 854) the Hoare annotation is: true [2021-10-28 08:39:11,814 INFO L857 garLoopResultBuilder]: For program point L983-5(lines 983 989) no Hoare annotation was computed. [2021-10-28 08:39:11,814 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2021-10-28 08:39:11,814 INFO L853 garLoopResultBuilder]: At program point L290-1(lines 290 296) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 08:39:11,814 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-28 08:39:11,814 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:39:11,814 INFO L853 garLoopResultBuilder]: At program point L887(lines 1 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L723(lines 73 79) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L723-1(lines 73 79) the Hoare annotation is: false [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L723-2(lines 73 79) the Hoare annotation is: false [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L988(lines 979 992) the Hoare annotation is: false [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L988-1(lines 979 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3))) [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L988-2(lines 979 992) the Hoare annotation is: false [2021-10-28 08:39:11,815 INFO L853 garLoopResultBuilder]: At program point L988-3(lines 979 992) the Hoare annotation is: false [2021-10-28 08:39:11,816 INFO L853 garLoopResultBuilder]: At program point L988-4(lines 979 992) the Hoare annotation is: false [2021-10-28 08:39:11,816 INFO L853 garLoopResultBuilder]: At program point L988-5(lines 979 992) the Hoare annotation is: false [2021-10-28 08:39:11,816 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2021-10-28 08:39:11,816 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 131 148) no Hoare annotation was computed. [2021-10-28 08:39:11,816 INFO L857 garLoopResultBuilder]: For program point L131-2(lines 131 148) no Hoare annotation was computed. [2021-10-28 08:39:11,816 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L853 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point L860-2(line 860) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,817 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,818 INFO L857 garLoopResultBuilder]: For program point L233-3(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,818 INFO L857 garLoopResultBuilder]: For program point L233-5(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,818 INFO L857 garLoopResultBuilder]: For program point L233-6(lines 233 237) no Hoare annotation was computed. [2021-10-28 08:39:11,821 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:39:11,823 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:39:11,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:39:11 BoogieIcfgContainer [2021-10-28 08:39:11,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:39:11,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:39:11,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:39:11,852 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:39:11,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:39:04" (3/4) ... [2021-10-28 08:39:11,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:39:11,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:39:11,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:39:11,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:39:11,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:39:11,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:39:11,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:39:11,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:39:11,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:39:11,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:39:11,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:39:11,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:39:11,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 08:39:11,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 08:39:11,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 08:39:11,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:39:11,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 08:39:11,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:39:11,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:39:11,988 INFO L168 Benchmark]: Toolchain (without parser) took 9262.62 ms. Allocated memory was 88.1 MB in the beginning and 182.5 MB in the end (delta: 94.4 MB). Free memory was 45.8 MB in the beginning and 147.3 MB in the end (delta: -101.5 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,988 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 63.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:39:11,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.58 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 58.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.73 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,989 INFO L168 Benchmark]: Boogie Preprocessor took 76.72 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 52.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,990 INFO L168 Benchmark]: RCFGBuilder took 1210.77 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.5 MB in the beginning and 47.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,990 INFO L168 Benchmark]: TraceAbstraction took 7129.99 ms. Allocated memory was 113.2 MB in the beginning and 182.5 MB in the end (delta: 69.2 MB). Free memory was 46.9 MB in the beginning and 61.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,990 INFO L168 Benchmark]: Witness Printer took 134.91 ms. Allocated memory is still 182.5 MB. Free memory was 61.2 MB in the beginning and 147.3 MB in the end (delta: -86.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:39:11,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 63.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.58 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 58.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.73 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.72 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 52.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1210.77 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.5 MB in the beginning and 47.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7129.99 ms. Allocated memory was 113.2 MB in the beginning and 182.5 MB in the end (delta: 69.2 MB). Free memory was 46.9 MB in the beginning and 61.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. * Witness Printer took 134.91 ms. Allocated memory is still 182.5 MB. Free memory was 61.2 MB in the beginning and 147.3 MB in the end (delta: -86.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1165 SDtfs, 1307 SDslu, 1583 SDs, 0 SdLazy, 271 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 892 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 800 HoareAnnotationTreeSize, 51 FomulaSimplifications, 62906 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16446 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 42/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:39:12,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969a0ef5-c170-4afb-a25c-469d48b4b61d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...