./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:42:48,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:42:48,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:42:48,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:42:48,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:42:48,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:42:48,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:42:48,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:42:48,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:42:48,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:42:48,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:42:48,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:42:48,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:42:48,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:42:48,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:42:48,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:42:48,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:42:48,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:42:48,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:42:48,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:42:48,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:42:48,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:42:48,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:42:48,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:42:48,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:42:48,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:42:48,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:42:48,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:42:48,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:42:48,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:42:48,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:42:48,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:42:48,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:42:48,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:42:48,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:42:48,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:42:48,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:42:48,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:42:48,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:42:48,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:42:48,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:42:48,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:42:48,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:42:48,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:42:48,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:42:48,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:42:48,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:42:48,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:42:48,405 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:42:48,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:42:48,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:42:48,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:42:48,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:42:48,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:42:48,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:42:48,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:42:48,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:42:48,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:42:48,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:42:48,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:42:48,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:42:48,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:42:48,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:42:48,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:42:48,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:42:48,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:42:48,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:42:48,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:42:48,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:42:48,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:42:48,411 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:42:48,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:42:48,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:42:48,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:42:48,413 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_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2021-10-28 08:42:48,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:42:48,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:42:48,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:42:48,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:42:48,740 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:42:48,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-10-28 08:42:48,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/data/dfe92f1a4/6b692aa05a2f440fa327b14290751153/FLAG0a9a8c99c [2021-10-28 08:42:49,443 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:42:49,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-10-28 08:42:49,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/data/dfe92f1a4/6b692aa05a2f440fa327b14290751153/FLAG0a9a8c99c [2021-10-28 08:42:49,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/data/dfe92f1a4/6b692aa05a2f440fa327b14290751153 [2021-10-28 08:42:49,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:42:49,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:42:49,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:42:49,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:42:49,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:42:49,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:42:49" (1/1) ... [2021-10-28 08:42:49,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@897da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:49, skipping insertion in model container [2021-10-28 08:42:49,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:42:49" (1/1) ... [2021-10-28 08:42:49,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:42:49,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:42:49,992 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_b35c8433-a390-4f33-8818-84dd4b4289d3/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2021-10-28 08:42:50,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:42:50,175 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:42:50,189 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_b35c8433-a390-4f33-8818-84dd4b4289d3/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2021-10-28 08:42:50,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:42:50,321 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:42:50,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50 WrapperNode [2021-10-28 08:42:50,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:42:50,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:42:50,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:42:50,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:42:50,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:42:50,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:42:50,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:42:50,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:42:50,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:42:50,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:42:50,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:42:50,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:42:50,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (1/1) ... [2021-10-28 08:42:50,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:42:50,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:42:50,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:42:50,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:42:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:42:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:42:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:42:50,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:42:51,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:42:51,563 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-28 08:42:51,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:42:51 BoogieIcfgContainer [2021-10-28 08:42:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:42:51,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:42:51,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:42:51,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:42:51,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:42:49" (1/3) ... [2021-10-28 08:42:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10631a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:42:51, skipping insertion in model container [2021-10-28 08:42:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:42:50" (2/3) ... [2021-10-28 08:42:51,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10631a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:42:51, skipping insertion in model container [2021-10-28 08:42:51,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:42:51" (3/3) ... [2021-10-28 08:42:51,575 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2021-10-28 08:42:51,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:42:51,582 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:42:51,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:42:51,639 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:42:51,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:42:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:42:51,665 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:51,666 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:51,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2021-10-28 08:42:51,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:51,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501995560] [2021-10-28 08:42:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:51,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:52,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:52,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501995560] [2021-10-28 08:42:52,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501995560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:52,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:52,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:42:52,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143967163] [2021-10-28 08:42:52,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:42:52,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:42:52,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:42:52,092 INFO L87 Difference]: Start difference. First operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:52,125 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2021-10-28 08:42:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:42:52,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 08:42:52,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:52,138 INFO L225 Difference]: With dead ends: 233 [2021-10-28 08:42:52,138 INFO L226 Difference]: Without dead ends: 116 [2021-10-28 08:42:52,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:42:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-28 08:42:52,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-28 08:42:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 115 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2021-10-28 08:42:52,189 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2021-10-28 08:42:52,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:52,189 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2021-10-28 08:42:52,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2021-10-28 08:42:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 08:42:52,191 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:52,191 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:52,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:42:52,192 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2021-10-28 08:42:52,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:52,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882846809] [2021-10-28 08:42:52,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:52,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:52,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:52,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882846809] [2021-10-28 08:42:52,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882846809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:52,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:52,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:42:52,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688646407] [2021-10-28 08:42:52,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:42:52,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:52,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:42:52,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:52,289 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:52,303 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2021-10-28 08:42:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:42:52,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 08:42:52,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:52,305 INFO L225 Difference]: With dead ends: 116 [2021-10-28 08:42:52,306 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:42:52,307 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:42:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:42:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-28 08:42:52,314 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2021-10-28 08:42:52,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:52,315 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-28 08:42:52,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-28 08:42:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:42:52,317 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:52,317 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:52,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:42:52,317 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:52,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2021-10-28 08:42:52,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:52,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34076263] [2021-10-28 08:42:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:52,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:52,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:52,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34076263] [2021-10-28 08:42:52,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34076263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:52,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:52,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:42:52,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310391252] [2021-10-28 08:42:52,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:42:52,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:42:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:42:52,483 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 5 states, 5 states have (on average 5.2) 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) [2021-10-28 08:42:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:52,573 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-10-28 08:42:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:42:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) 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 [2021-10-28 08:42:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:52,575 INFO L225 Difference]: With dead ends: 91 [2021-10-28 08:42:52,577 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:42:52,577 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:42:52,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:42:52,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:42:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2021-10-28 08:42:52,596 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2021-10-28 08:42:52,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:52,598 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2021-10-28 08:42:52,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) 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) [2021-10-28 08:42:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-10-28 08:42:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 08:42:52,601 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:52,601 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:52,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:42:52,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2021-10-28 08:42:52,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:52,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471436352] [2021-10-28 08:42:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:52,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:52,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:52,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471436352] [2021-10-28 08:42:52,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471436352] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:52,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:52,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:42:52,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426224753] [2021-10-28 08:42:52,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:42:52,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:52,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:42:52,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:52,751 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:52,825 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2021-10-28 08:42:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:42:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 08:42:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:52,827 INFO L225 Difference]: With dead ends: 115 [2021-10-28 08:42:52,828 INFO L226 Difference]: Without dead ends: 73 [2021-10-28 08:42:52,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:52,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-28 08:42:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2021-10-28 08:42:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-28 08:42:52,848 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2021-10-28 08:42:52,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:52,849 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-28 08:42:52,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-28 08:42:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:42:52,851 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:52,851 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:52,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:42:52,852 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2021-10-28 08:42:52,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:52,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362651922] [2021-10-28 08:42:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:52,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:52,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:52,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362651922] [2021-10-28 08:42:52,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362651922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:52,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:52,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:42:52,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122432817] [2021-10-28 08:42:52,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:42:52,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:52,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:42:52,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:42:52,979 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:53,062 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2021-10-28 08:42:53,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:42:53,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:42:53,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:53,067 INFO L225 Difference]: With dead ends: 190 [2021-10-28 08:42:53,067 INFO L226 Difference]: Without dead ends: 126 [2021-10-28 08:42:53,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:42:53,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-28 08:42:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2021-10-28 08:42:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2021-10-28 08:42:53,095 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2021-10-28 08:42:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:53,096 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2021-10-28 08:42:53,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-10-28 08:42:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:42:53,101 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:53,101 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:53,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:42:53,102 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:53,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:53,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2021-10-28 08:42:53,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:53,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831858903] [2021-10-28 08:42:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:53,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:53,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:53,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831858903] [2021-10-28 08:42:53,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831858903] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:53,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:53,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:42:53,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198915409] [2021-10-28 08:42:53,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:42:53,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:42:53,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:42:53,181 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:53,308 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2021-10-28 08:42:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:42:53,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:42:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:53,313 INFO L225 Difference]: With dead ends: 260 [2021-10-28 08:42:53,313 INFO L226 Difference]: Without dead ends: 190 [2021-10-28 08:42:53,316 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:42:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-28 08:42:53,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2021-10-28 08:42:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2021-10-28 08:42:53,342 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2021-10-28 08:42:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:53,344 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2021-10-28 08:42:53,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-10-28 08:42:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:42:53,345 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:53,345 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:53,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:42:53,346 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2021-10-28 08:42:53,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:53,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125752613] [2021-10-28 08:42:53,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:53,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:53,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:53,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125752613] [2021-10-28 08:42:53,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125752613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:53,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:53,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:42:53,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726678819] [2021-10-28 08:42:53,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:42:53,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:42:53,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:42:53,450 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:53,528 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2021-10-28 08:42:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:42:53,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:42:53,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:53,530 INFO L225 Difference]: With dead ends: 199 [2021-10-28 08:42:53,531 INFO L226 Difference]: Without dead ends: 130 [2021-10-28 08:42:53,532 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-28 08:42:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-28 08:42:53,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2021-10-28 08:42:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2021-10-28 08:42:53,548 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2021-10-28 08:42:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:53,549 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2021-10-28 08:42:53,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-10-28 08:42:53,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:42:53,558 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:53,558 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:53,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:42:53,558 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:53,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2021-10-28 08:42:53,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:53,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571790427] [2021-10-28 08:42:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:53,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:53,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:53,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571790427] [2021-10-28 08:42:53,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571790427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:53,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:53,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:42:53,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35679398] [2021-10-28 08:42:53,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:42:53,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:53,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:42:53,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:53,667 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:53,696 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2021-10-28 08:42:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:42:53,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:42:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:53,697 INFO L225 Difference]: With dead ends: 181 [2021-10-28 08:42:53,697 INFO L226 Difference]: Without dead ends: 108 [2021-10-28 08:42:53,699 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:42:53,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-28 08:42:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-10-28 08:42:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2021-10-28 08:42:53,714 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2021-10-28 08:42:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:53,714 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2021-10-28 08:42:53,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2021-10-28 08:42:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 08:42:53,716 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:53,717 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:53,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:42:53,717 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2021-10-28 08:42:53,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:53,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136110515] [2021-10-28 08:42:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:53,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:53,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:53,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136110515] [2021-10-28 08:42:53,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136110515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:42:53,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:42:53,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:42:53,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479682365] [2021-10-28 08:42:53,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:42:53,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:53,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:42:53,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:42:53,845 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:54,153 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2021-10-28 08:42:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:42:54,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 08:42:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:54,158 INFO L225 Difference]: With dead ends: 512 [2021-10-28 08:42:54,158 INFO L226 Difference]: Without dead ends: 439 [2021-10-28 08:42:54,159 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:42:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-10-28 08:42:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2021-10-28 08:42:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 185 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2021-10-28 08:42:54,184 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2021-10-28 08:42:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:54,184 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2021-10-28 08:42:54,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2021-10-28 08:42:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 08:42:54,187 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:42:54,188 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:54,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:42:54,188 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:42:54,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:42:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2021-10-28 08:42:54,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:42:54,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208009155] [2021-10-28 08:42:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:54,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:42:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:54,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:42:54,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208009155] [2021-10-28 08:42:54,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208009155] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:42:54,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026534971] [2021-10-28 08:42:54,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:42:54,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:42:54,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:42:54,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:42:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:42:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:42:54,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:42:54,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:42:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:42:54,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026534971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:42:54,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:42:54,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 08:42:54,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622061826] [2021-10-28 08:42:54,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:42:54,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:42:54,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:42:54,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:42:54,743 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:42:55,146 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2021-10-28 08:42:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:42:55,146 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 08:42:55,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:42:55,148 INFO L225 Difference]: With dead ends: 426 [2021-10-28 08:42:55,148 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:42:55,149 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:42:55,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:42:55,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:42:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:42:55,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-28 08:42:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:42:55,150 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:42:55,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:42:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:42:55,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:42:55,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:42:55,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:42:55,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:42:55,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:42:55,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 08:42:55,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:42:55,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:55,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:56,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:42:57,808 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 933) no Hoare annotation was computed. [2021-10-28 08:42:57,808 INFO L853 garLoopResultBuilder]: At program point L894(lines 1 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:42:57,809 INFO L853 garLoopResultBuilder]: At program point L927-1(lines 927 933) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-10-28 08:42:57,809 INFO L853 garLoopResultBuilder]: At program point L795(lines 788 798) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-10-28 08:42:57,809 INFO L853 garLoopResultBuilder]: At program point L795-1(lines 788 798) the Hoare annotation is: false [2021-10-28 08:42:57,809 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,809 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,809 INFO L853 garLoopResultBuilder]: At program point L795-2(lines 788 798) the Hoare annotation is: false [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L729-1(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L729-2(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L729-3(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L729-4(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L729-5(lines 729 737) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: false [2021-10-28 08:42:57,810 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-10-28 08:42:57,810 INFO L853 garLoopResultBuilder]: At program point L700(lines 700 706) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-10-28 08:42:57,810 INFO L853 garLoopResultBuilder]: At program point L700-1(lines 700 706) the Hoare annotation is: false [2021-10-28 08:42:57,811 INFO L853 garLoopResultBuilder]: At program point L700-2(lines 700 706) the Hoare annotation is: false [2021-10-28 08:42:57,811 INFO L853 garLoopResultBuilder]: At program point L965(lines 916 966) the Hoare annotation is: false [2021-10-28 08:42:57,811 INFO L853 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:42:57,811 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,811 INFO L857 garLoopResultBuilder]: For program point L669-1(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,811 INFO L857 garLoopResultBuilder]: For program point L669-2(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,811 INFO L857 garLoopResultBuilder]: For program point L669-3(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,811 INFO L857 garLoopResultBuilder]: For program point L669-4(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L857 garLoopResultBuilder]: For program point L669-5(lines 669 675) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 608) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,812 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:42:57,812 INFO L853 garLoopResultBuilder]: At program point L804(lines 799 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L804-1(lines 799 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L804-2(lines 799 807) the Hoare annotation is: false [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L804-3(lines 799 807) the Hoare annotation is: false [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L804-4(lines 799 807) the Hoare annotation is: false [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L804-5(lines 799 807) the Hoare annotation is: false [2021-10-28 08:42:57,813 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2021-10-28 08:42:57,813 INFO L853 garLoopResultBuilder]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674(lines 665 678) the Hoare annotation is: false [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674-1(lines 665 678) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674-2(lines 665 678) the Hoare annotation is: false [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674-3(lines 665 678) the Hoare annotation is: false [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674-4(lines 665 678) the Hoare annotation is: false [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L674-5(lines 665 678) the Hoare annotation is: false [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L183(lines 693 699) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 08:42:57,814 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 693 699) the Hoare annotation is: false [2021-10-28 08:42:57,815 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 693 699) the Hoare annotation is: false [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2021-10-28 08:42:57,815 INFO L860 garLoopResultBuilder]: At program point L151-1(lines 151 158) the Hoare annotation is: true [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,815 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-28 08:42:57,817 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 960) no Hoare annotation was computed. [2021-10-28 08:42:57,817 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:42:57,817 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 768) no Hoare annotation was computed. [2021-10-28 08:42:57,817 INFO L857 garLoopResultBuilder]: For program point L751-1(lines 751 768) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point L751-2(lines 751 768) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point L918(lines 917 964) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,818 INFO L857 garLoopResultBuilder]: For program point L853-2(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,819 INFO L857 garLoopResultBuilder]: For program point L853-3(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,819 INFO L857 garLoopResultBuilder]: For program point L853-5(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,819 INFO L857 garLoopResultBuilder]: For program point L853-6(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,819 INFO L857 garLoopResultBuilder]: For program point L853-8(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,819 INFO L857 garLoopResultBuilder]: For program point L853-9(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L857 garLoopResultBuilder]: For program point L853-11(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L857 garLoopResultBuilder]: For program point L853-12(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L857 garLoopResultBuilder]: For program point L853-14(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L857 garLoopResultBuilder]: For program point L853-15(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L857 garLoopResultBuilder]: For program point L853-17(lines 853 857) no Hoare annotation was computed. [2021-10-28 08:42:57,820 INFO L860 garLoopResultBuilder]: At program point L160(lines 141 163) the Hoare annotation is: true [2021-10-28 08:42:57,821 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:42:57,821 INFO L857 garLoopResultBuilder]: For program point L755(lines 755 763) no Hoare annotation was computed. [2021-10-28 08:42:57,821 INFO L857 garLoopResultBuilder]: For program point L755-1(lines 755 763) no Hoare annotation was computed. [2021-10-28 08:42:57,821 INFO L857 garLoopResultBuilder]: For program point L755-2(lines 755 763) no Hoare annotation was computed. [2021-10-28 08:42:57,821 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2021-10-28 08:42:57,821 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 1 972) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2) (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2021-10-28 08:42:57,822 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 211) no Hoare annotation was computed. [2021-10-28 08:42:57,822 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 1 972) the Hoare annotation is: false [2021-10-28 08:42:57,822 INFO L857 garLoopResultBuilder]: For program point L194-4(lines 194 211) no Hoare annotation was computed. [2021-10-28 08:42:57,822 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 1 972) the Hoare annotation is: false [2021-10-28 08:42:57,822 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2021-10-28 08:42:57,823 INFO L853 garLoopResultBuilder]: At program point L955-2(lines 955 959) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-10-28 08:42:57,823 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 596) no Hoare annotation was computed. [2021-10-28 08:42:57,823 INFO L857 garLoopResultBuilder]: For program point L592-3(lines 592 596) no Hoare annotation was computed. [2021-10-28 08:42:57,823 INFO L857 garLoopResultBuilder]: For program point L592-6(lines 592 596) no Hoare annotation was computed. [2021-10-28 08:42:57,823 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,823 INFO L857 garLoopResultBuilder]: For program point L725-1(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,824 INFO L857 garLoopResultBuilder]: For program point L725-2(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,824 INFO L857 garLoopResultBuilder]: For program point L725-3(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,824 INFO L857 garLoopResultBuilder]: For program point L725-4(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,824 INFO L857 garLoopResultBuilder]: For program point L725-5(lines 725 742) no Hoare annotation was computed. [2021-10-28 08:42:57,824 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:42:57,825 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:42:57,825 INFO L853 garLoopResultBuilder]: At program point L693(lines 689 711) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-10-28 08:42:57,825 INFO L853 garLoopResultBuilder]: At program point L693-1(lines 689 711) the Hoare annotation is: false [2021-10-28 08:42:57,825 INFO L853 garLoopResultBuilder]: At program point L693-2(lines 689 711) the Hoare annotation is: false [2021-10-28 08:42:57,825 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 208) no Hoare annotation was computed. [2021-10-28 08:42:57,825 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 208) no Hoare annotation was computed. [2021-10-28 08:42:57,826 INFO L857 garLoopResultBuilder]: For program point L198-4(lines 198 208) no Hoare annotation was computed. [2021-10-28 08:42:57,826 INFO L853 garLoopResultBuilder]: At program point L859(lines 844 862) the Hoare annotation is: false [2021-10-28 08:42:57,826 INFO L853 garLoopResultBuilder]: At program point L859-1(lines 844 862) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) .cse5))) [2021-10-28 08:42:57,826 INFO L853 garLoopResultBuilder]: At program point L859-2(lines 844 862) the Hoare annotation is: false [2021-10-28 08:42:57,826 INFO L853 garLoopResultBuilder]: At program point L859-3(lines 844 862) the Hoare annotation is: false [2021-10-28 08:42:57,827 INFO L853 garLoopResultBuilder]: At program point L859-4(lines 844 862) the Hoare annotation is: false [2021-10-28 08:42:57,827 INFO L853 garLoopResultBuilder]: At program point L859-5(lines 844 862) the Hoare annotation is: false [2021-10-28 08:42:57,827 INFO L853 garLoopResultBuilder]: At program point L661(lines 656 664) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2021-10-28 08:42:57,827 INFO L853 garLoopResultBuilder]: At program point L661-1(lines 656 664) the Hoare annotation is: false [2021-10-28 08:42:57,827 INFO L853 garLoopResultBuilder]: At program point L661-2(lines 656 664) the Hoare annotation is: false [2021-10-28 08:42:57,827 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2021-10-28 08:42:57,828 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 205) no Hoare annotation was computed. [2021-10-28 08:42:57,828 INFO L857 garLoopResultBuilder]: For program point L199-4(lines 199 205) no Hoare annotation was computed. [2021-10-28 08:42:57,828 INFO L853 garLoopResultBuilder]: At program point L629(lines 624 632) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-10-28 08:42:57,828 INFO L853 garLoopResultBuilder]: At program point L629-1(lines 624 632) the Hoare annotation is: false [2021-10-28 08:42:57,828 INFO L853 garLoopResultBuilder]: At program point L629-2(lines 624 632) the Hoare annotation is: false [2021-10-28 08:42:57,832 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:42:57,836 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:42:57,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:42:57 BoogieIcfgContainer [2021-10-28 08:42:57,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:42:57,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:42:57,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:42:57,897 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:42:57,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:42:51" (3/4) ... [2021-10-28 08:42:57,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:42:57,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:42:57,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:42:57,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:42:57,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:42:57,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:42:57,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:42:57,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:42:57,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 08:42:57,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 08:42:57,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 08:42:57,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((tmp == 1 && splverifierCounter == 0) && tmp <= 2) && 2 <= waterLevel) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-10-28 08:42:57,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-10-28 08:42:57,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:42:57,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 08:42:57,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-10-28 08:42:58,059 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:42:58,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:42:58,061 INFO L168 Benchmark]: Toolchain (without parser) took 8344.85 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 87.2 MB in the beginning and 50.3 MB in the end (delta: 36.8 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,061 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:42:58,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.24 ms. Allocated memory is still 109.1 MB. Free memory was 87.2 MB in the beginning and 77.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.69 ms. Allocated memory is still 109.1 MB. Free memory was 77.3 MB in the beginning and 73.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,063 INFO L168 Benchmark]: Boogie Preprocessor took 88.62 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 70.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,063 INFO L168 Benchmark]: RCFGBuilder took 1037.13 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 52.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,063 INFO L168 Benchmark]: TraceAbstraction took 6315.51 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 52.2 MB in the beginning and 60.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,064 INFO L168 Benchmark]: Witness Printer took 162.12 ms. Allocated memory is still 136.3 MB. Free memory was 60.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:42:58,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 606.24 ms. Allocated memory is still 109.1 MB. Free memory was 87.2 MB in the beginning and 77.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.69 ms. Allocated memory is still 109.1 MB. Free memory was 77.3 MB in the beginning and 73.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.62 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 70.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1037.13 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 52.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6315.51 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 52.2 MB in the beginning and 60.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * Witness Printer took 162.12 ms. Allocated memory is still 136.3 MB. Free memory was 60.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 120 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1012 SDtfs, 1446 SDslu, 1440 SDs, 0 SdLazy, 254 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 468 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 906 HoareAnnotationTreeSize, 50 FomulaSimplifications, 81851 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 9086 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 745 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 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: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((tmp == 1 && splverifierCounter == 0) && tmp <= 2) && 2 <= waterLevel) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:42:58,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b35c8433-a390-4f33-8818-84dd4b4289d3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...