./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:44:44,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:44:44,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:44:44,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:44:44,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:44:44,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:44:44,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:44:44,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:44:44,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:44:44,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:44:44,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:44:44,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:44:44,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:44:44,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:44:44,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:44:44,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:44:44,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:44:44,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:44:44,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:44:44,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:44:44,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:44:44,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:44:44,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:44:44,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:44:44,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:44:44,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:44:44,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:44:44,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:44:44,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:44:44,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:44:44,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:44:44,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:44:44,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:44:44,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:44:44,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:44:44,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:44:44,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:44:44,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:44:44,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:44:44,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:44:44,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:44:44,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:44:44,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:44:44,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:44:44,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:44:44,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:44:44,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:44:44,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:44:44,263 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:44:44,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:44:44,264 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:44:44,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:44:44,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:44:44,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:44:44,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:44:44,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:44:44,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:44:44,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:44:44,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:44:44,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:44:44,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:44:44,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:44:44,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:44:44,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:44:44,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:44:44,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:44:44,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:44:44,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:44:44,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:44:44,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:44:44,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:44:44,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:44:44,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:44:44,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:44:44,269 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_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 [2021-10-21 19:44:44,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:44:44,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:44:44,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:44:44,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:44:44,569 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:44:44,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-21 19:44:44,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/data/8f9398eab/173bdc0dc8f3425081514436812a9a75/FLAG1e0079519 [2021-10-21 19:44:45,124 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:44:45,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-21 19:44:45,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/data/8f9398eab/173bdc0dc8f3425081514436812a9a75/FLAG1e0079519 [2021-10-21 19:44:45,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/data/8f9398eab/173bdc0dc8f3425081514436812a9a75 [2021-10-21 19:44:45,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:44:45,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:44:45,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:44:45,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:44:45,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:44:45,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:45" (1/1) ... [2021-10-21 19:44:45,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed4f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:45, skipping insertion in model container [2021-10-21 19:44:45,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:45" (1/1) ... [2021-10-21 19:44:45,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:44:45,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:44:45,821 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_bc2a51e7-3825-4138-aff2-1c65ba916b00/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-21 19:44:45,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:44:45,851 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:44:45,991 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_bc2a51e7-3825-4138-aff2-1c65ba916b00/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-21 19:44:45,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:44:46,010 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:44:46,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46 WrapperNode [2021-10-21 19:44:46,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:44:46,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:44:46,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:44:46,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:44:46,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:44:46,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:44:46,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:44:46,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:44:46,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:44:46,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:44:46,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:44:46,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:44:46,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (1/1) ... [2021-10-21 19:44:46,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:44:46,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:46,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:44:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:44:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:44:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:44:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:44:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:44:47,205 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:44:47,206 INFO L299 CfgBuilder]: Removed 132 assume(true) statements. [2021-10-21 19:44:47,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:47 BoogieIcfgContainer [2021-10-21 19:44:47,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:44:47,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:44:47,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:44:47,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:44:47,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:44:45" (1/3) ... [2021-10-21 19:44:47,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0c7a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:44:47, skipping insertion in model container [2021-10-21 19:44:47,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:46" (2/3) ... [2021-10-21 19:44:47,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0c7a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:44:47, skipping insertion in model container [2021-10-21 19:44:47,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:47" (3/3) ... [2021-10-21 19:44:47,217 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-10-21 19:44:47,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:44:47,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:44:47,276 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:44:47,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:44:47,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:44:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:44:47,307 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:47,307 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:47,308 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:47,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2021-10-21 19:44:47,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:47,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862147605] [2021-10-21 19:44:47,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:47,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:47,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:47,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862147605] [2021-10-21 19:44:47,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862147605] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:47,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:47,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:44:47,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415154545] [2021-10-21 19:44:47,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:44:47,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:44:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:44:47,604 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:47,632 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-21 19:44:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:44:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 19:44:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:47,644 INFO L225 Difference]: With dead ends: 189 [2021-10-21 19:44:47,644 INFO L226 Difference]: Without dead ends: 94 [2021-10-21 19:44:47,647 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:44:47,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-21 19:44:47,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-21 19:44:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 93 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-21 19:44:47,691 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-21 19:44:47,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:47,692 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-21 19:44:47,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-21 19:44:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:44:47,694 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:47,694 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:47,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:44:47,695 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2021-10-21 19:44:47,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:47,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221757506] [2021-10-21 19:44:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:47,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:47,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:47,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221757506] [2021-10-21 19:44:47,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221757506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:47,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:47,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:44:47,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339379759] [2021-10-21 19:44:47,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:44:47,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:44:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:47,794 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:47,805 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-21 19:44:47,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:44:47,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-21 19:44:47,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:47,807 INFO L225 Difference]: With dead ends: 94 [2021-10-21 19:44:47,807 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 19:44:47,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 19:44:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-21 19:44:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-21 19:44:47,814 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-21 19:44:47,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:47,814 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-21 19:44:47,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-21 19:44:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:44:47,816 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:47,816 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:47,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:44:47,817 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:47,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:47,817 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2021-10-21 19:44:47,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:47,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363066673] [2021-10-21 19:44:47,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:47,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:47,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:47,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363066673] [2021-10-21 19:44:47,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363066673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:47,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:47,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:44:47,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436061246] [2021-10-21 19:44:47,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:44:47,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:47,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:44:47,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:44:47,998 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:48,270 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2021-10-21 19:44:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:44:48,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 19:44:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:48,273 INFO L225 Difference]: With dead ends: 141 [2021-10-21 19:44:48,273 INFO L226 Difference]: Without dead ends: 105 [2021-10-21 19:44:48,273 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:44:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-21 19:44:48,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2021-10-21 19:44:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.453125) internal successors, (93), 64 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-21 19:44:48,303 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-21 19:44:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:48,303 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-21 19:44:48,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-21 19:44:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 19:44:48,305 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:48,305 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:48,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:44:48,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:48,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2021-10-21 19:44:48,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:48,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307065063] [2021-10-21 19:44:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:48,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:48,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:48,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307065063] [2021-10-21 19:44:48,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307065063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:48,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:48,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:44:48,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149671180] [2021-10-21 19:44:48,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:44:48,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:48,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:44:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:48,445 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:48,510 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-21 19:44:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:44:48,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-21 19:44:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:48,511 INFO L225 Difference]: With dead ends: 147 [2021-10-21 19:44:48,512 INFO L226 Difference]: Without dead ends: 89 [2021-10-21 19:44:48,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-21 19:44:48,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-21 19:44:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-21 19:44:48,540 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-21 19:44:48,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:48,540 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-21 19:44:48,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-21 19:44:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:44:48,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:48,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:48,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:44:48,542 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:48,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:48,543 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2021-10-21 19:44:48,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:48,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781299788] [2021-10-21 19:44:48,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:48,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:48,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:48,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781299788] [2021-10-21 19:44:48,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781299788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:48,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:48,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:44:48,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920462734] [2021-10-21 19:44:48,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:44:48,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:48,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:44:48,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:44:48,667 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:48,788 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-21 19:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:44:48,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-21 19:44:48,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:48,790 INFO L225 Difference]: With dead ends: 288 [2021-10-21 19:44:48,791 INFO L226 Difference]: Without dead ends: 208 [2021-10-21 19:44:48,792 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 34.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:44:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-21 19:44:48,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-21 19:44:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-21 19:44:48,807 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-21 19:44:48,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:48,807 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-21 19:44:48,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-21 19:44:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:44:48,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:48,809 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:48,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:44:48,810 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:48,811 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2021-10-21 19:44:48,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:48,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589752514] [2021-10-21 19:44:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:48,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:48,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:48,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589752514] [2021-10-21 19:44:48,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589752514] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:48,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:48,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:44:48,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057032276] [2021-10-21 19:44:48,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:44:48,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:48,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:44:48,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:44:48,889 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:48,951 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-21 19:44:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:44:48,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:44:48,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:48,960 INFO L225 Difference]: With dead ends: 251 [2021-10-21 19:44:48,961 INFO L226 Difference]: Without dead ends: 173 [2021-10-21 19:44:48,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:44:48,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-21 19:44:48,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-21 19:44:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-21 19:44:48,988 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-21 19:44:48,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:48,990 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-21 19:44:48,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-21 19:44:48,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:44:48,996 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:48,997 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:48,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:44:48,997 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:48,998 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2021-10-21 19:44:48,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:49,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217189506] [2021-10-21 19:44:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:49,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:49,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:49,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217189506] [2021-10-21 19:44:49,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217189506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:49,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:49,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:44:49,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702785580] [2021-10-21 19:44:49,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:44:49,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:49,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:44:49,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:44:49,071 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:49,140 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2021-10-21 19:44:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:44:49,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:44:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:49,142 INFO L225 Difference]: With dead ends: 260 [2021-10-21 19:44:49,142 INFO L226 Difference]: Without dead ends: 179 [2021-10-21 19:44:49,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:44:49,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-21 19:44:49,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 90. [2021-10-21 19:44:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-21 19:44:49,156 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-21 19:44:49,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:49,163 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-21 19:44:49,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-21 19:44:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:44:49,165 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:49,165 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:49,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:44:49,166 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:49,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:49,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2021-10-21 19:44:49,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:49,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454368045] [2021-10-21 19:44:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:49,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:49,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:49,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454368045] [2021-10-21 19:44:49,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454368045] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:49,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:49,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:44:49,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980141380] [2021-10-21 19:44:49,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:44:49,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:49,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:44:49,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:49,223 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:49,252 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2021-10-21 19:44:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:44:49,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-21 19:44:49,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:49,254 INFO L225 Difference]: With dead ends: 222 [2021-10-21 19:44:49,254 INFO L226 Difference]: Without dead ends: 139 [2021-10-21 19:44:49,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:44:49,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-21 19:44:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-21 19:44:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.326086956521739) internal successors, (183), 138 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-10-21 19:44:49,273 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2021-10-21 19:44:49,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:49,274 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-10-21 19:44:49,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-10-21 19:44:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:44:49,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:49,276 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:49,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:44:49,276 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:49,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2021-10-21 19:44:49,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:49,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202808649] [2021-10-21 19:44:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:49,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:49,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:49,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202808649] [2021-10-21 19:44:49,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202808649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:44:49,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:44:49,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:44:49,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750382215] [2021-10-21 19:44:49,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:44:49,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:44:49,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:44:49,408 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:49,682 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2021-10-21 19:44:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:44:49,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-21 19:44:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:49,686 INFO L225 Difference]: With dead ends: 628 [2021-10-21 19:44:49,687 INFO L226 Difference]: Without dead ends: 545 [2021-10-21 19:44:49,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 63.5ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:44:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-21 19:44:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2021-10-21 19:44:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3303571428571428) internal successors, (298), 224 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2021-10-21 19:44:49,721 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2021-10-21 19:44:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:49,721 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2021-10-21 19:44:49,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2021-10-21 19:44:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:44:49,723 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:44:49,723 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:44:49,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:44:49,724 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:44:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:44:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2021-10-21 19:44:49,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:44:49,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720785306] [2021-10-21 19:44:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:49,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:44:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:49,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:44:49,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720785306] [2021-10-21 19:44:49,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720785306] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:44:49,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175737142] [2021-10-21 19:44:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:44:49,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:44:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:44:49,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:44:49,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:44:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:44:49,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:44:49,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:44:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:44:50,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175737142] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:44:50,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:44:50,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:44:50,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266606418] [2021-10-21 19:44:50,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:44:50,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:44:50,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:44:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:44:50,151 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:50,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:44:50,416 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2021-10-21 19:44:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:44:50,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 19:44:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:44:50,417 INFO L225 Difference]: With dead ends: 459 [2021-10-21 19:44:50,417 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:44:50,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.7ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:44:50,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:44:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:44:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:44:50,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-21 19:44:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:44:50,419 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:44:50,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:44:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:44:50,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:44:50,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:44:50,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:44:50,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:44:50,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:44:50,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:44:50,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:44:50,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:50,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:51,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:44:54,352 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,352 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-21 19:44:54,353 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2021-10-21 19:44:54,353 INFO L853 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2021-10-21 19:44:54,353 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:44:54,353 INFO L853 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:44:54,353 INFO L853 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse6 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse3 .cse6 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse7)))) [2021-10-21 19:44:54,354 INFO L853 garLoopResultBuilder]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-21 19:44:54,354 INFO L853 garLoopResultBuilder]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-21 19:44:54,354 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse6 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse7)))) [2021-10-21 19:44:54,354 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-10-21 19:44:54,354 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-10-21 19:44:54,354 INFO L860 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-10-21 19:44:54,355 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:44:54,355 INFO L853 garLoopResultBuilder]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2021-10-21 19:44:54,355 INFO L853 garLoopResultBuilder]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2021-10-21 19:44:54,355 INFO L857 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2021-10-21 19:44:54,355 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:44:54,355 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:44:54,355 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:44:54,356 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-21 19:44:54,356 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2021-10-21 19:44:54,356 INFO L857 garLoopResultBuilder]: For program point L915-2(lines 915 921) no Hoare annotation was computed. [2021-10-21 19:44:54,356 INFO L857 garLoopResultBuilder]: For program point L915-4(lines 915 921) no Hoare annotation was computed. [2021-10-21 19:44:54,356 INFO L853 garLoopResultBuilder]: At program point L899(lines 609 615) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-21 19:44:54,356 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 609 615) the Hoare annotation is: false [2021-10-21 19:44:54,356 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 609 615) the Hoare annotation is: false [2021-10-21 19:44:54,357 INFO L853 garLoopResultBuilder]: At program point L767(lines 752 770) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse2 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) .cse4) (and .cse0 .cse1 .cse2 (= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-21 19:44:54,357 INFO L853 garLoopResultBuilder]: At program point L767-1(lines 752 770) the Hoare annotation is: false [2021-10-21 19:44:54,357 INFO L853 garLoopResultBuilder]: At program point L767-2(lines 752 770) the Hoare annotation is: false [2021-10-21 19:44:54,357 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-21 19:44:54,357 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse4 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse6)))) [2021-10-21 19:44:54,357 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-21 19:44:54,358 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse6 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse7)))) [2021-10-21 19:44:54,358 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:44:54,358 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-21 19:44:54,358 INFO L853 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 19:44:54,358 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 696 706) the Hoare annotation is: false [2021-10-21 19:44:54,358 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 696 706) the Hoare annotation is: false [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-10-21 19:44:54,359 INFO L860 garLoopResultBuilder]: At program point L508-1(lines 508 515) the Hoare annotation is: true [2021-10-21 19:44:54,360 INFO L853 garLoopResultBuilder]: At program point L954(lines 1 974) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L971-1(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L971-2(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:44:54,360 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:44:54,361 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-10-21 19:44:54,361 INFO L853 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:44:54,361 INFO L853 garLoopResultBuilder]: At program point L609(lines 605 627) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 (= ~pumpRunning~0 1)))) [2021-10-21 19:44:54,361 INFO L853 garLoopResultBuilder]: At program point L609-1(lines 605 627) the Hoare annotation is: false [2021-10-21 19:44:54,361 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-10-21 19:44:54,361 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 605 627) the Hoare annotation is: false [2021-10-21 19:44:54,362 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse6 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse7)))) [2021-10-21 19:44:54,362 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-10-21 19:44:54,362 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2021-10-21 19:44:54,362 INFO L853 garLoopResultBuilder]: At program point L775-1(lines 775 781) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-21 19:44:54,362 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:44:54,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-21 19:44:54,362 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-21 19:44:54,363 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:44:54,364 INFO L853 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-21 19:44:54,365 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2021-10-21 19:44:54,365 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2021-10-21 19:44:54,365 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2021-10-21 19:44:54,365 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:44:54,365 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:44:54,366 INFO L857 garLoopResultBuilder]: For program point L678-2(lines 678 684) no Hoare annotation was computed. [2021-10-21 19:44:54,366 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-10-21 19:44:54,366 INFO L857 garLoopResultBuilder]: For program point L678-4(lines 678 684) no Hoare annotation was computed. [2021-10-21 19:44:54,366 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-21 19:44:54,366 INFO L857 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L761-3(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L761-5(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-21 19:44:54,367 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2021-10-21 19:44:54,368 INFO L857 garLoopResultBuilder]: For program point L761-6(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,368 INFO L857 garLoopResultBuilder]: For program point L761-8(lines 761 765) no Hoare annotation was computed. [2021-10-21 19:44:54,368 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2021-10-21 19:44:54,368 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 1 974) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse6 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4) (and .cse0 .cse3 .cse6 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5 .cse7)))) [2021-10-21 19:44:54,368 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 927) no Hoare annotation was computed. [2021-10-21 19:44:54,369 INFO L853 garLoopResultBuilder]: At program point L910-3(lines 1 974) the Hoare annotation is: false [2021-10-21 19:44:54,369 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 927) no Hoare annotation was computed. [2021-10-21 19:44:54,369 INFO L853 garLoopResultBuilder]: At program point L910-5(lines 1 974) the Hoare annotation is: false [2021-10-21 19:44:54,369 INFO L853 garLoopResultBuilder]: At program point L712(lines 707 715) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse2 (<= ~waterLevel~0 1))) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.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 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~pumpRunning~0 0) .cse7 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3) (and .cse0 .cse7 .cse1 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse5 .cse6)))) [2021-10-21 19:44:54,370 INFO L853 garLoopResultBuilder]: At program point L712-1(lines 707 715) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-21 19:44:54,370 INFO L853 garLoopResultBuilder]: At program point L712-2(lines 707 715) the Hoare annotation is: false [2021-10-21 19:44:54,370 INFO L853 garLoopResultBuilder]: At program point L712-3(lines 707 715) the Hoare annotation is: false [2021-10-21 19:44:54,370 INFO L853 garLoopResultBuilder]: At program point L712-4(lines 707 715) the Hoare annotation is: false [2021-10-21 19:44:54,370 INFO L853 garLoopResultBuilder]: At program point L712-5(lines 707 715) the Hoare annotation is: false [2021-10-21 19:44:54,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:44:54,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:44:54 BoogieIcfgContainer [2021-10-21 19:44:54,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:44:54,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:44:54,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:44:54,435 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:44:54,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:44:47" (3/4) ... [2021-10-21 19:44:54,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:44:54,470 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:44:54,471 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:44:54,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:44:54,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:44:54,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:44:54,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:44:54,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:44:54,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 19:44:54,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 19:44:54,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 19:44:54,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1 [2021-10-21 19:44:54,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,518 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || ((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:44:54,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-21 19:44:54,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-21 19:44:54,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-21 19:44:54,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-21 19:44:54,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:44:54,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:44:54,598 INFO L168 Benchmark]: Toolchain (without parser) took 9136.75 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 58.2 MB in the beginning and 113.8 MB in the end (delta: -55.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,598 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 100.7 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:44:54,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.11 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 66.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.34 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 63.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,600 INFO L168 Benchmark]: Boogie Preprocessor took 56.52 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,600 INFO L168 Benchmark]: RCFGBuilder took 1053.46 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 60.9 MB in the beginning and 103.0 MB in the end (delta: -42.0 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,600 INFO L168 Benchmark]: TraceAbstraction took 7223.78 ms. Allocated memory was 142.6 MB in the beginning and 176.2 MB in the end (delta: 33.6 MB). Free memory was 102.6 MB in the beginning and 122.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,601 INFO L168 Benchmark]: Witness Printer took 162.01 ms. Allocated memory is still 176.2 MB. Free memory was 122.2 MB in the beginning and 113.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:44:54,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 100.7 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.11 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 66.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.34 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 63.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.52 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1053.46 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 60.9 MB in the beginning and 103.0 MB in the end (delta: -42.0 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7223.78 ms. Allocated memory was 142.6 MB in the beginning and 176.2 MB in the end (delta: 33.6 MB). Free memory was 102.6 MB in the beginning and 122.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. * Witness Printer took 162.01 ms. Allocated memory is still 176.2 MB. Free memory was 122.2 MB in the beginning and 113.8 MB in the end (delta: 8.4 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7100.8ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 25.8ms, AutomataDifference: 1278.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3712.2ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 892 SDtfs, 1294 SDslu, 1639 SDs, 0 SdLazy, 234 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 584.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 259.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 194.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 659 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1070 HoareAnnotationTreeSize, 45 FomulaSimplifications, 33640 FormulaSimplificationTreeSizeReduction, 817.3ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 67822 FormulaSimplificationTreeSizeReductionInter, 2876.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 105.6ms SsaConstructionTime, 402.5ms SatisfiabilityAnalysisTime, 842.0ms InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || ((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 == waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && 2 == waterLevel) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 0) && \result == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:44:54,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2a51e7-3825-4138-aff2-1c65ba916b00/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...