./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be --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 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:39:45,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:39:45,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:39:45,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:39:45,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:39:45,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:39:45,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:39:45,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:39:45,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:39:45,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:39:45,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:39:45,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:39:45,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:39:45,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:39:45,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:39:45,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:39:45,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:39:45,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:39:45,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:39:45,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:39:45,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:39:45,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:39:45,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:39:45,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:39:45,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:39:45,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:39:45,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:39:45,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:39:45,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:39:45,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:39:45,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:39:45,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:39:45,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:39:45,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:39:45,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:39:45,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:39:45,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:39:45,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:39:45,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:39:45,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:39:45,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:39:45,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:39:45,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:39:45,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:39:45,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:39:45,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:39:45,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:39:45,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:39:45,607 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:39:45,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:39:45,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:39:45,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:39:45,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:39:45,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:39:45,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:39:45,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:39:45,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:39:45,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:39:45,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:39:45,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:39:45,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:39:45,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:39:45,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:39:45,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:39:45,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:39:45,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:39:45,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:39:45,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:39:45,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:39:45,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:39:45,617 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:39:45,618 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:39:45,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:39:45,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:39:45,627 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_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 [2021-10-21 19:39:45,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:39:46,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:39:46,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:39:46,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:39:46,013 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:39:46,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-21 19:39:46,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/data/4f4313893/1d6f33b0c46448649519cab8147074e1/FLAG4f1cd060b [2021-10-21 19:39:46,817 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:39:46,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-21 19:39:46,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/data/4f4313893/1d6f33b0c46448649519cab8147074e1/FLAG4f1cd060b [2021-10-21 19:39:47,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/data/4f4313893/1d6f33b0c46448649519cab8147074e1 [2021-10-21 19:39:47,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:39:47,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:39:47,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:39:47,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:39:47,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:39:47,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b970c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47, skipping insertion in model container [2021-10-21 19:39:47,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:39:47,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:39:47,484 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_11516981-4c3c-4091-bd8c-29f90fb569ad/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-10-21 19:39:47,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:39:47,499 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:39:47,630 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_11516981-4c3c-4091-bd8c-29f90fb569ad/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-10-21 19:39:47,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:39:47,651 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:39:47,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47 WrapperNode [2021-10-21 19:39:47,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:39:47,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:39:47,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:39:47,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:39:47,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:39:47,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:39:47,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:39:47,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:39:47,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:39:47,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:39:47,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:39:47,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:39:47,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (1/1) ... [2021-10-21 19:39:47,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:39:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:39:47,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:39:47,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:39:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:39:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:39:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:39:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:39:48,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:39:48,862 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2021-10-21 19:39:48,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:48 BoogieIcfgContainer [2021-10-21 19:39:48,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:39:48,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:39:48,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:39:48,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:39:48,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:39:47" (1/3) ... [2021-10-21 19:39:48,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5160da75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:39:48, skipping insertion in model container [2021-10-21 19:39:48,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:47" (2/3) ... [2021-10-21 19:39:48,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5160da75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:39:48, skipping insertion in model container [2021-10-21 19:39:48,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:48" (3/3) ... [2021-10-21 19:39:48,879 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2021-10-21 19:39:48,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:39:48,890 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:39:48,966 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:39:48,974 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 [2021-10-21 19:39:48,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:39:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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) [2021-10-21 19:39:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:39:48,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:49,000 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:49,001 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:49,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2021-10-21 19:39:49,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:49,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468793264] [2021-10-21 19:39:49,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:49,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:49,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:49,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468793264] [2021-10-21 19:39:49,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468793264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:49,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:49,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:39:49,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890233225] [2021-10-21 19:39:49,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:39:49,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:49,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:39:49,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:39:49,334 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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) [2021-10-21 19:39:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:49,398 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-10-21 19:39:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:39:49,400 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 [2021-10-21 19:39:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:49,418 INFO L225 Difference]: With dead ends: 185 [2021-10-21 19:39:49,418 INFO L226 Difference]: Without dead ends: 92 [2021-10-21 19:39:49,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:39:49,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-21 19:39:49,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-21 19:39:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.449438202247191) internal successors, (129), 91 states have internal predecessors, (129), 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) [2021-10-21 19:39:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-10-21 19:39:49,497 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-10-21 19:39:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:49,499 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-21 19:39:49,499 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) [2021-10-21 19:39:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-21 19:39:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:39:49,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:49,501 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:49,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:39:49,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:49,503 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2021-10-21 19:39:49,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:49,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826851178] [2021-10-21 19:39:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:49,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:49,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:49,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826851178] [2021-10-21 19:39:49,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826851178] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:49,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:49,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:39:49,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461870933] [2021-10-21 19:39:49,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:39:49,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:49,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:39:49,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:49,629 INFO L87 Difference]: Start difference. First operand 92 states and 129 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) [2021-10-21 19:39:49,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:49,639 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-10-21 19:39:49,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:39:49,640 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 [2021-10-21 19:39:49,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:49,641 INFO L225 Difference]: With dead ends: 92 [2021-10-21 19:39:49,642 INFO L226 Difference]: Without dead ends: 41 [2021-10-21 19:39:49,643 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-21 19:39:49,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-21 19:39:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-10-21 19:39:49,649 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-10-21 19:39:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:49,649 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-10-21 19:39:49,649 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) [2021-10-21 19:39:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-21 19:39:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:39:49,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:49,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:49,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:39:49,652 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:49,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:49,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2021-10-21 19:39:49,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:49,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144184175] [2021-10-21 19:39:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:49,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:49,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:49,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144184175] [2021-10-21 19:39:49,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144184175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:49,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:49,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:39:49,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188275896] [2021-10-21 19:39:49,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:39:49,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:49,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:39:49,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:39:49,783 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-10-21 19:39:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:49,972 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-10-21 19:39:49,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:39:49,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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 [2021-10-21 19:39:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:49,974 INFO L225 Difference]: With dead ends: 75 [2021-10-21 19:39:49,974 INFO L226 Difference]: Without dead ends: 41 [2021-10-21 19:39:49,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:39:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-21 19:39:49,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-21 19:39:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 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) [2021-10-21 19:39:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-10-21 19:39:49,981 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-10-21 19:39:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:49,982 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-10-21 19:39:49,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-10-21 19:39:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-10-21 19:39:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:39:49,984 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:49,984 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:49,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:39:49,985 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:49,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2021-10-21 19:39:49,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:49,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296648847] [2021-10-21 19:39:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:49,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:50,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:50,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296648847] [2021-10-21 19:39:50,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296648847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:50,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:50,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:39:50,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916613523] [2021-10-21 19:39:50,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:39:50,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:50,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:39:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:50,096 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-21 19:39:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:50,123 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-10-21 19:39:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:39:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-21 19:39:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:50,125 INFO L225 Difference]: With dead ends: 99 [2021-10-21 19:39:50,125 INFO L226 Difference]: Without dead ends: 65 [2021-10-21 19:39:50,126 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:50,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-21 19:39:50,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-21 19:39:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 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) [2021-10-21 19:39:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-10-21 19:39:50,137 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-10-21 19:39:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:50,138 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-10-21 19:39:50,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-21 19:39:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-21 19:39:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:39:50,141 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:50,142 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:50,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:39:50,142 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2021-10-21 19:39:50,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:50,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503639052] [2021-10-21 19:39:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:50,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:50,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:50,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503639052] [2021-10-21 19:39:50,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503639052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:50,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:50,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:39:50,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855519222] [2021-10-21 19:39:50,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:39:50,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:50,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:39:50,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:39:50,274 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:50,430 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-10-21 19:39:50,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:39:50,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 19:39:50,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:50,437 INFO L225 Difference]: With dead ends: 216 [2021-10-21 19:39:50,437 INFO L226 Difference]: Without dead ends: 160 [2021-10-21 19:39:50,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:39:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-21 19:39:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-21 19:39:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 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) [2021-10-21 19:39:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-10-21 19:39:50,466 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-10-21 19:39:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:50,466 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-10-21 19:39:50,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-10-21 19:39:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:39:50,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:50,476 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:50,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:39:50,477 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:50,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:50,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2021-10-21 19:39:50,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:50,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190491587] [2021-10-21 19:39:50,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:50,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:50,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:50,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190491587] [2021-10-21 19:39:50,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190491587] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:50,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:50,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:39:50,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973837056] [2021-10-21 19:39:50,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:39:50,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:50,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:39:50,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:39:50,560 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:50,624 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-10-21 19:39:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:39:50,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:39:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:50,638 INFO L225 Difference]: With dead ends: 161 [2021-10-21 19:39:50,641 INFO L226 Difference]: Without dead ends: 106 [2021-10-21 19:39:50,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:39:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-21 19:39:50,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-10-21 19:39:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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) [2021-10-21 19:39:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-10-21 19:39:50,661 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-10-21 19:39:50,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:50,663 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-21 19:39:50,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-21 19:39:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:39:50,665 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:50,666 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:50,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:39:50,666 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:50,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:50,667 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2021-10-21 19:39:50,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:50,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764307020] [2021-10-21 19:39:50,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:50,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:50,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:50,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764307020] [2021-10-21 19:39:50,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764307020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:50,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:50,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:39:50,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209870005] [2021-10-21 19:39:50,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:39:50,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:50,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:39:50,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:39:50,796 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:50,870 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2021-10-21 19:39:50,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:39:50,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:39:50,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:50,872 INFO L225 Difference]: With dead ends: 170 [2021-10-21 19:39:50,872 INFO L226 Difference]: Without dead ends: 112 [2021-10-21 19:39:50,873 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.8ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:39:50,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-21 19:39:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-10-21 19:39:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 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) [2021-10-21 19:39:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-10-21 19:39:50,909 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-10-21 19:39:50,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:50,911 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-21 19:39:50,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-10-21 19:39:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:39:50,929 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:50,929 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:50,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:39:50,930 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:50,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:50,932 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2021-10-21 19:39:50,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:50,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891281088] [2021-10-21 19:39:50,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:50,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:51,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:51,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891281088] [2021-10-21 19:39:51,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891281088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:51,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:51,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:39:51,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811716248] [2021-10-21 19:39:51,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:39:51,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:51,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:39:51,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:51,035 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:51,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:51,062 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2021-10-21 19:39:51,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:39:51,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:39:51,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:51,064 INFO L225 Difference]: With dead ends: 154 [2021-10-21 19:39:51,064 INFO L226 Difference]: Without dead ends: 94 [2021-10-21 19:39:51,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-21 19:39:51,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-21 19:39:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 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) [2021-10-21 19:39:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-10-21 19:39:51,091 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2021-10-21 19:39:51,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:51,092 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-10-21 19:39:51,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-21 19:39:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:39:51,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:51,095 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:39:51,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:39:51,095 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:51,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:51,096 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2021-10-21 19:39:51,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:51,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838944499] [2021-10-21 19:39:51,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:51,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:51,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:51,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838944499] [2021-10-21 19:39:51,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838944499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:51,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:51,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:39:51,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363515258] [2021-10-21 19:39:51,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:39:51,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:51,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:39:51,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:39:51,313 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:51,670 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2021-10-21 19:39:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:39:51,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-21 19:39:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:51,676 INFO L225 Difference]: With dead ends: 432 [2021-10-21 19:39:51,676 INFO L226 Difference]: Without dead ends: 372 [2021-10-21 19:39:51,678 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 116.1ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:39:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-21 19:39:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2021-10-21 19:39:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 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) [2021-10-21 19:39:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-21 19:39:51,708 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2021-10-21 19:39:51,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:51,709 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-21 19:39:51,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-21 19:39:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:39:51,710 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:51,711 INFO L512 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] [2021-10-21 19:39:51,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:39:51,711 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:51,712 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2021-10-21 19:39:51,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:51,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141754576] [2021-10-21 19:39:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:51,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:51,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:51,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141754576] [2021-10-21 19:39:51,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141754576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:39:51,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135579719] [2021-10-21 19:39:51,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:51,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:39:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:39:51,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:39:51,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:39:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:52,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:39:52,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:39:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:52,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135579719] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:39:52,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:39:52,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-21 19:39:52,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670516955] [2021-10-21 19:39:52,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:39:52,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:52,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:39:52,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:39:52,351 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2021-10-21 19:39:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:39:52,630 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2021-10-21 19:39:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:39:52,630 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 19:39:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:39:52,631 INFO L225 Difference]: With dead ends: 288 [2021-10-21 19:39:52,632 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:39:52,632 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 102.9ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:39:52,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:39:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:39:52,633 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) [2021-10-21 19:39:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:39:52,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-21 19:39:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:39:52,634 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:39:52,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2021-10-21 19:39:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:39:52,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:39:52,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:39:52,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:39:52,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:39:52,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:39:52,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 19:39:52,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:39:52,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:52,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:52,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:52,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:52,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:52,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:53,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:39:55,332 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 366) no Hoare annotation was computed. [2021-10-21 19:39:55,332 INFO L857 garLoopResultBuilder]: For program point L349-1(lines 349 366) no Hoare annotation was computed. [2021-10-21 19:39:55,332 INFO L857 garLoopResultBuilder]: For program point L349-2(lines 349 366) no Hoare annotation was computed. [2021-10-21 19:39:55,333 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,333 INFO L853 garLoopResultBuilder]: At program point L151(lines 146 154) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-21 19:39:55,333 INFO L853 garLoopResultBuilder]: At program point L151-1(lines 146 154) the Hoare annotation is: false [2021-10-21 19:39:55,333 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-21 19:39:55,333 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 146 154) the Hoare annotation is: false [2021-10-21 19:39:55,333 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-10-21 19:39:55,334 INFO L857 garLoopResultBuilder]: For program point L85-4(lines 85 91) no Hoare annotation was computed. [2021-10-21 19:39:55,334 INFO L860 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-10-21 19:39:55,334 INFO L853 garLoopResultBuilder]: At program point L69(lines 317 323) 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 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse6 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4 .cse6 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,334 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 317 323) the Hoare annotation is: false [2021-10-21 19:39:55,334 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 317 323) the Hoare annotation is: false [2021-10-21 19:39:55,334 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:39:55,334 INFO L853 garLoopResultBuilder]: At program point L317(lines 313 335) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,335 INFO L853 garLoopResultBuilder]: At program point L317-1(lines 313 335) the Hoare annotation is: false [2021-10-21 19:39:55,335 INFO L853 garLoopResultBuilder]: At program point L317-2(lines 313 335) the Hoare annotation is: false [2021-10-21 19:39:55,335 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-10-21 19:39:55,335 INFO L857 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-10-21 19:39:55,335 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-21 19:39:55,335 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse3 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,335 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 142) no Hoare annotation was computed. [2021-10-21 19:39:55,335 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 392) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 361) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L353-1(lines 353 361) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L386-2(lines 386 392) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L386-4(lines 386 392) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,336 INFO L857 garLoopResultBuilder]: For program point L469-5(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,337 INFO L857 garLoopResultBuilder]: For program point L469-6(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,337 INFO L857 garLoopResultBuilder]: For program point L469-8(lines 469 473) no Hoare annotation was computed. [2021-10-21 19:39:55,337 INFO L853 garLoopResultBuilder]: At program point L420(lines 415 423) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse6 .cse0 .cse7 .cse3 .cse4 .cse8 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse8 .cse5 .cse9 (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,337 INFO L853 garLoopResultBuilder]: At program point L420-1(lines 415 423) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,337 INFO L853 garLoopResultBuilder]: At program point L420-2(lines 415 423) the Hoare annotation is: false [2021-10-21 19:39:55,337 INFO L853 garLoopResultBuilder]: At program point L420-3(lines 415 423) the Hoare annotation is: false [2021-10-21 19:39:55,337 INFO L853 garLoopResultBuilder]: At program point L420-4(lines 415 423) the Hoare annotation is: false [2021-10-21 19:39:55,338 INFO L853 garLoopResultBuilder]: At program point L420-5(lines 415 423) the Hoare annotation is: false [2021-10-21 19:39:55,338 INFO L853 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: false [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 531) no Hoare annotation was computed. [2021-10-21 19:39:55,338 INFO L853 garLoopResultBuilder]: At program point L933(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point L950-2(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,338 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-10-21 19:39:55,339 INFO L857 garLoopResultBuilder]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2021-10-21 19:39:55,339 INFO L857 garLoopResultBuilder]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2021-10-21 19:39:55,339 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:39:55,339 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,339 INFO L853 garLoopResultBuilder]: At program point L324(lines 324 330) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,339 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-10-21 19:39:55,339 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: false [2021-10-21 19:39:55,340 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 324 330) the Hoare annotation is: false [2021-10-21 19:39:55,340 INFO L860 garLoopResultBuilder]: At program point L291-1(lines 291 298) the Hoare annotation is: true [2021-10-21 19:39:55,340 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-21 19:39:55,340 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:39:55,340 INFO L857 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2021-10-21 19:39:55,340 INFO L853 garLoopResultBuilder]: At program point L475(lines 460 478) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= ~waterLevel~0 2) .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse2 .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-21 19:39:55,340 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 460 478) the Hoare annotation is: false [2021-10-21 19:39:55,340 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 460 478) the Hoare annotation is: false [2021-10-21 19:39:55,340 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 1 953) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse4 .cse8 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse4 .cse6 .cse7 .cse8 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,341 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 80 97) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L853 garLoopResultBuilder]: At program point L80-3(lines 1 953) the Hoare annotation is: false [2021-10-21 19:39:55,341 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 520 531) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L857 garLoopResultBuilder]: For program point L80-4(lines 80 97) no Hoare annotation was computed. [2021-10-21 19:39:55,341 INFO L853 garLoopResultBuilder]: At program point L80-5(lines 1 953) the Hoare annotation is: false [2021-10-21 19:39:55,341 INFO L853 garLoopResultBuilder]: At program point L196(lines 187 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= ~waterLevel~0 2) .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L196-1(lines 187 200) the Hoare annotation is: false [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L196-2(lines 187 200) the Hoare annotation is: false [2021-10-21 19:39:55,342 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L510-1(lines 510 516) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse3 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L411(lines 404 414) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L411-1(lines 404 414) the Hoare annotation is: false [2021-10-21 19:39:55,342 INFO L853 garLoopResultBuilder]: At program point L411-2(lines 404 414) the Hoare annotation is: false [2021-10-21 19:39:55,342 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-21 19:39:55,342 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2021-10-21 19:39:55,343 INFO L857 garLoopResultBuilder]: For program point L114-6(lines 114 118) no Hoare annotation was computed. [2021-10-21 19:39:55,345 INFO L853 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:39:55,345 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:39:55,345 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 19:39:55,345 INFO L853 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-10-21 19:39:55,346 INFO L853 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:39:55,346 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 19:39:55,346 INFO L853 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse5 .cse7 (= ~waterLevel~0 1)) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse3 .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-21 19:39:55,346 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 178 186) the Hoare annotation is: false [2021-10-21 19:39:55,346 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2021-10-21 19:39:55,347 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-10-21 19:39:55,347 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 94) no Hoare annotation was computed. [2021-10-21 19:39:55,347 INFO L857 garLoopResultBuilder]: For program point L84-4(lines 84 94) no Hoare annotation was computed. [2021-10-21 19:39:55,352 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:39:55,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:39:55 BoogieIcfgContainer [2021-10-21 19:39:55,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:39:55,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:39:55,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:39:55,390 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:39:55,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:48" (3/4) ... [2021-10-21 19:39:55,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:39:55,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:39:55,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:39:55,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:39:55,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:39:55,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:39:55,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:39:55,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:39:55,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 19:39:55,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 [2021-10-21 19:39:55,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 [2021-10-21 19:39:55,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) [2021-10-21 19:39:55,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-21 19:39:55,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) [2021-10-21 19:39:55,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-21 19:39:55,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-21 19:39:55,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:39:55,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:39:55,525 INFO L168 Benchmark]: Toolchain (without parser) took 8483.73 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 80.8 MB in the beginning and 143.3 MB in the end (delta: -62.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,525 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 88.2 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:39:55,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.54 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 84.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.67 ms. Allocated memory is still 117.4 MB. Free memory was 84.4 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,527 INFO L168 Benchmark]: Boogie Preprocessor took 50.42 ms. Allocated memory is still 117.4 MB. Free memory was 81.4 MB in the beginning and 78.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,528 INFO L168 Benchmark]: RCFGBuilder took 1072.87 ms. Allocated memory is still 117.4 MB. Free memory was 78.7 MB in the beginning and 38.8 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,528 INFO L168 Benchmark]: TraceAbstraction took 6520.61 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 38.2 MB in the beginning and 70.2 MB in the end (delta: -32.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,528 INFO L168 Benchmark]: Witness Printer took 133.81 ms. Allocated memory is still 172.0 MB. Free memory was 70.2 MB in the beginning and 143.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:39:55,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 88.2 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.54 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 84.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.67 ms. Allocated memory is still 117.4 MB. Free memory was 84.4 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.42 ms. Allocated memory is still 117.4 MB. Free memory was 81.4 MB in the beginning and 78.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1072.87 ms. Allocated memory is still 117.4 MB. Free memory was 78.7 MB in the beginning and 38.8 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6520.61 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 38.2 MB in the beginning and 70.2 MB in the end (delta: -32.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Witness Printer took 133.81 ms. Allocated memory is still 172.0 MB. Free memory was 70.2 MB in the beginning and 143.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: 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, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6387.9ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 33.0ms, AutomataDifference: 1371.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2476.3ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 823 SDtfs, 1329 SDslu, 1170 SDs, 0 SdLazy, 201 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 590.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 386.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 213.3ms AutomataMinimizationTime, 10 MinimizatonAttempts, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 990 HoareAnnotationTreeSize, 43 FomulaSimplifications, 22412 FormulaSimplificationTreeSizeReduction, 608.3ms HoareSimplificationTime, 43 FomulaSimplificationsInter, 5551 FormulaSimplificationTreeSizeReductionInter, 1849.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 106.7ms SsaConstructionTime, 448.9ms SatisfiabilityAnalysisTime, 1142.4ms InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:39:55,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11516981-4c3c-4091-bd8c-29f90fb569ad/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...