./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.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_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/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_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/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_273857d2-760f-4afa-94bf-4b9b77a99dbd/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 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:16:05,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:16:05,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:16:05,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:16:05,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:16:05,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:16:05,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:16:05,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:16:05,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:16:05,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:16:05,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:16:05,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:16:05,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:16:05,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:16:05,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:16:05,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:16:05,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:16:05,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:16:05,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:16:05,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:16:05,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:16:05,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:16:05,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:16:05,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:16:05,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:16:05,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:16:05,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:16:05,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:16:05,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:16:05,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:16:05,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:16:05,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:16:05,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:16:05,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:16:05,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:16:05,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:16:05,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:16:05,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:16:05,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:16:05,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:16:05,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:16:05,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:16:05,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:16:05,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:16:05,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:16:05,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:16:05,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:16:05,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:16:05,315 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:16:05,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:16:05,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:16:05,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:16:05,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:16:05,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:16:05,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:16:05,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:16:05,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:16:05,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:16:05,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:16:05,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:16:05,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:16:05,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:16:05,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:16:05,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:16:05,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:16:05,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:16:05,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:16:05,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:16:05,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:16:05,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:16:05,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:16:05,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:16:05,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:16:05,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:16:05,324 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_273857d2-760f-4afa-94bf-4b9b77a99dbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 [2021-10-21 19:16:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:16:05,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:16:05,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:16:05,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:16:05,699 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:16:05,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-21 19:16:05,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/data/6aecca4d9/b1825b8ae46f42df94324f781c344946/FLAGd64bf9ee8 [2021-10-21 19:16:06,353 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:16:06,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-21 19:16:06,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/data/6aecca4d9/b1825b8ae46f42df94324f781c344946/FLAGd64bf9ee8 [2021-10-21 19:16:06,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/data/6aecca4d9/b1825b8ae46f42df94324f781c344946 [2021-10-21 19:16:06,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:16:06,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:16:06,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:16:06,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:16:06,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:16:06,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:16:06" (1/1) ... [2021-10-21 19:16:06,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddbd421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:06, skipping insertion in model container [2021-10-21 19:16:06,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:16:06" (1/1) ... [2021-10-21 19:16:06,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:16:06,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:16:07,074 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_273857d2-760f-4afa-94bf-4b9b77a99dbd/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2021-10-21 19:16:07,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:16:07,100 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:16:07,241 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_273857d2-760f-4afa-94bf-4b9b77a99dbd/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2021-10-21 19:16:07,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:16:07,264 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:16:07,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07 WrapperNode [2021-10-21 19:16:07,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:16:07,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:16:07,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:16:07,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:16:07,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:16:07,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:16:07,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:16:07,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:16:07,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:16:07,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:16:07,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:16:07,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:16:07,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (1/1) ... [2021-10-21 19:16:07,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:16:07,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:16:07,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:16:07,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:16:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:16:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:16:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:16:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:16:08,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:16:08,561 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-21 19:16:08,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:08 BoogieIcfgContainer [2021-10-21 19:16:08,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:16:08,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:16:08,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:16:08,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:16:08,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:16:06" (1/3) ... [2021-10-21 19:16:08,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41b627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:16:08, skipping insertion in model container [2021-10-21 19:16:08,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:16:07" (2/3) ... [2021-10-21 19:16:08,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41b627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:16:08, skipping insertion in model container [2021-10-21 19:16:08,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:08" (3/3) ... [2021-10-21 19:16:08,575 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2021-10-21 19:16:08,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:16:08,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:16:08,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:16:08,681 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 19:16:08,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:16:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 19:16:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:16:08,728 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:08,729 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:08,730 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 19:16:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:08,738 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2021-10-21 19:16:08,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:08,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905935105] [2021-10-21 19:16:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:08,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,018 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 19:16:09,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:09,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905935105] [2021-10-21 19:16:09,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905935105] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:09,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:09,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:16:09,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212579931] [2021-10-21 19:16:09,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:16:09,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:09,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:16:09,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:16:09,057 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19:16:09,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:09,104 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-21 19:16:09,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:16:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-21 19:16:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:09,121 INFO L225 Difference]: With dead ends: 228 [2021-10-21 19:16:09,121 INFO L226 Difference]: Without dead ends: 113 [2021-10-21 19:16:09,125 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 19:16:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-21 19:16:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-21 19:16:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 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 19:16:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-21 19:16:09,175 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-21 19:16:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:09,176 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-21 19:16:09,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19:16:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-21 19:16:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:16:09,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:09,178 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 19:16:09,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:16:09,178 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 19:16:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:09,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2021-10-21 19:16:09,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:09,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115406419] [2021-10-21 19:16:09,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:09,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,324 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 19:16:09,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:09,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115406419] [2021-10-21 19:16:09,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115406419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:09,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:09,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:16:09,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376495090] [2021-10-21 19:16:09,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:16:09,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:09,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:16:09,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:16:09,329 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 19:16:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:09,346 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-21 19:16:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:16:09,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 19:16:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:09,351 INFO L225 Difference]: With dead ends: 113 [2021-10-21 19:16:09,351 INFO L226 Difference]: Without dead ends: 47 [2021-10-21 19:16:09,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:16:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-21 19:16:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-21 19:16:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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 19:16:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-21 19:16:09,358 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-21 19:16:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:09,358 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-21 19:16:09,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 19:16:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-21 19:16:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:16:09,360 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:09,360 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] [2021-10-21 19:16:09,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:16:09,361 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 19:16:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2021-10-21 19:16:09,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:09,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145067833] [2021-10-21 19:16:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:09,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,486 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 19:16:09,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:09,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145067833] [2021-10-21 19:16:09,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145067833] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:09,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:09,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:09,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356530214] [2021-10-21 19:16:09,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:16:09,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:09,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:16:09,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:16:09,489 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 19:16:09,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:09,635 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-21 19:16:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:16:09,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-10-21 19:16:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:09,636 INFO L225 Difference]: With dead ends: 88 [2021-10-21 19:16:09,637 INFO L226 Difference]: Without dead ends: 47 [2021-10-21 19:16:09,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:16:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-21 19:16:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-21 19:16:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 19:16:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-21 19:16:09,644 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-21 19:16:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:09,645 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-21 19:16:09,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 19:16:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-21 19:16:09,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:16:09,646 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:09,647 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 19:16:09,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:16:09,647 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 19:16:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:09,648 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2021-10-21 19:16:09,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:09,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308167014] [2021-10-21 19:16:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:09,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,746 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 19:16:09,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:09,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308167014] [2021-10-21 19:16:09,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308167014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:09,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:09,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:16:09,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390543605] [2021-10-21 19:16:09,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:16:09,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:16:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:16:09,751 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:16:09,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:09,800 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-21 19:16:09,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:16:09,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:16:09,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:09,802 INFO L225 Difference]: With dead ends: 111 [2021-10-21 19:16:09,802 INFO L226 Difference]: Without dead ends: 70 [2021-10-21 19:16:09,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:16:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-21 19:16:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-21 19:16:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 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 19:16:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-21 19:16:09,821 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-21 19:16:09,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:09,822 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-21 19:16:09,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 19:16:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-21 19:16:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:16:09,824 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:09,825 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] [2021-10-21 19:16:09,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:16:09,825 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 19:16:09,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:09,827 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2021-10-21 19:16:09,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:09,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089471920] [2021-10-21 19:16:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:09,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:09,946 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 19:16:09,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:09,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089471920] [2021-10-21 19:16:09,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089471920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:09,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:09,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:09,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008210415] [2021-10-21 19:16:09,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:09,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:09,950 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 19:16:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:10,027 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-21 19:16:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:16:10,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-21 19:16:10,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:10,029 INFO L225 Difference]: With dead ends: 183 [2021-10-21 19:16:10,029 INFO L226 Difference]: Without dead ends: 121 [2021-10-21 19:16:10,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:16:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-21 19:16:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-21 19:16:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-21 19:16:10,041 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-21 19:16:10,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:10,041 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-21 19:16:10,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 19:16:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-21 19:16:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:16:10,043 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:10,043 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] [2021-10-21 19:16:10,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:16:10,044 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 19:16:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:10,044 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2021-10-21 19:16:10,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:10,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473454264] [2021-10-21 19:16:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:10,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:10,116 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 19:16:10,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:10,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473454264] [2021-10-21 19:16:10,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473454264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:10,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:10,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:16:10,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209348129] [2021-10-21 19:16:10,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:10,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:10,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:10,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:10,125 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 19:16:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:10,276 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-21 19:16:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:16:10,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-21 19:16:10,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:10,289 INFO L225 Difference]: With dead ends: 373 [2021-10-21 19:16:10,289 INFO L226 Difference]: Without dead ends: 305 [2021-10-21 19:16:10,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:16:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-21 19:16:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-21 19:16:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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 19:16:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-21 19:16:10,330 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-21 19:16:10,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:10,331 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-21 19:16:10,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 19:16:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-21 19:16:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:16:10,338 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:10,338 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:10,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:16:10,339 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 19:16:10,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:10,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2021-10-21 19:16:10,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:10,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773510138] [2021-10-21 19:16:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:10,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:10,436 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 19:16:10,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:10,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773510138] [2021-10-21 19:16:10,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773510138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:10,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:10,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:16:10,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096299224] [2021-10-21 19:16:10,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:16:10,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:10,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:16:10,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:16:10,441 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:10,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:10,595 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-21 19:16:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:16:10,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 19:16:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:10,598 INFO L225 Difference]: With dead ends: 250 [2021-10-21 19:16:10,598 INFO L226 Difference]: Without dead ends: 182 [2021-10-21 19:16:10,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:16:10,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-21 19:16:10,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-21 19:16:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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 19:16:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-21 19:16:10,620 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-21 19:16:10,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:10,620 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-21 19:16:10,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-21 19:16:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:16:10,622 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:10,622 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:10,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:16:10,623 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 19:16:10,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:10,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2021-10-21 19:16:10,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:10,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618699371] [2021-10-21 19:16:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:10,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:10,672 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 19:16:10,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:10,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618699371] [2021-10-21 19:16:10,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618699371] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:10,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:10,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:16:10,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691513315] [2021-10-21 19:16:10,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:16:10,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:10,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:16:10,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:16:10,676 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:10,731 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-21 19:16:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:16:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 19:16:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:10,734 INFO L225 Difference]: With dead ends: 422 [2021-10-21 19:16:10,734 INFO L226 Difference]: Without dead ends: 295 [2021-10-21 19:16:10,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-21 19:16:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-21 19:16:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 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 19:16:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-21 19:16:10,753 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-21 19:16:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:10,753 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-21 19:16:10,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-21 19:16:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:16:10,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:10,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:10,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:16:10,755 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 19:16:10,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:10,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2021-10-21 19:16:10,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:10,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858541542] [2021-10-21 19:16:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:10,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:10,808 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 19:16:10,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:10,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858541542] [2021-10-21 19:16:10,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858541542] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:10,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:10,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:10,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645574162] [2021-10-21 19:16:10,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:10,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:10,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:10,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:10,811 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:11,012 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-21 19:16:11,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:16:11,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 19:16:11,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:11,015 INFO L225 Difference]: With dead ends: 457 [2021-10-21 19:16:11,015 INFO L226 Difference]: Without dead ends: 290 [2021-10-21 19:16:11,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:16:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-21 19:16:11,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-21 19:16:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 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 19:16:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-21 19:16:11,032 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-21 19:16:11,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:11,033 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-21 19:16:11,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-21 19:16:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:16:11,034 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:11,034 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:11,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:16:11,035 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 19:16:11,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:11,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2021-10-21 19:16:11,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:11,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587932704] [2021-10-21 19:16:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:11,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,110 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 19:16:11,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:11,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587932704] [2021-10-21 19:16:11,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587932704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:11,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:11,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:11,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462917159] [2021-10-21 19:16:11,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:11,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:11,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:11,114 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:11,165 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-21 19:16:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:16:11,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 19:16:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:11,167 INFO L225 Difference]: With dead ends: 385 [2021-10-21 19:16:11,167 INFO L226 Difference]: Without dead ends: 239 [2021-10-21 19:16:11,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:16:11,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-21 19:16:11,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-21 19:16:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-21 19:16:11,185 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-21 19:16:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:11,185 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-21 19:16:11,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:16:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-21 19:16:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-21 19:16:11,187 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:11,187 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:11,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:16:11,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:11,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:11,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2021-10-21 19:16:11,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:11,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222136277] [2021-10-21 19:16:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:11,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:16:11,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:11,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222136277] [2021-10-21 19:16:11,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222136277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:11,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:11,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:16:11,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951709775] [2021-10-21 19:16:11,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:16:11,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:11,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:16:11,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:16:11,262 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 19:16:11,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:11,321 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-21 19:16:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:16:11,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 50 [2021-10-21 19:16:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:11,323 INFO L225 Difference]: With dead ends: 281 [2021-10-21 19:16:11,323 INFO L226 Difference]: Without dead ends: 173 [2021-10-21 19:16:11,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:16:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-21 19:16:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-21 19:16:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 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 19:16:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-21 19:16:11,338 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-21 19:16:11,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:11,338 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-21 19:16:11,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 19:16:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-21 19:16:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-21 19:16:11,339 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:11,340 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:11,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:16:11,340 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:11,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:11,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2021-10-21 19:16:11,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:11,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892403342] [2021-10-21 19:16:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:11,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:16:11,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:11,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892403342] [2021-10-21 19:16:11,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892403342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:11,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:11,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:16:11,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890962951] [2021-10-21 19:16:11,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:11,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:11,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:11,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:11,396 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 19:16:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:11,503 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-21 19:16:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:16:11,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2021-10-21 19:16:11,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:11,507 INFO L225 Difference]: With dead ends: 633 [2021-10-21 19:16:11,507 INFO L226 Difference]: Without dead ends: 515 [2021-10-21 19:16:11,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:16:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-21 19:16:11,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-21 19:16:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 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 19:16:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-21 19:16:11,559 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-21 19:16:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:11,559 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-21 19:16:11,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 19:16:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-21 19:16:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 19:16:11,560 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:11,561 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:11,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:16:11,561 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:11,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:11,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2021-10-21 19:16:11,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:11,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921537688] [2021-10-21 19:16:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:11,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:16:11,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:11,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921537688] [2021-10-21 19:16:11,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921537688] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:16:11,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828833444] [2021-10-21 19:16:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:11,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:16:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:16:11,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:16:11,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:16:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:11,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:16:11,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:16:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:16:12,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828833444] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:16:12,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:16:12,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-21 19:16:12,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72129263] [2021-10-21 19:16:12,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:16:12,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:16:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:16:12,088 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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 19:16:12,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:12,364 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-21 19:16:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:16:12,365 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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 52 [2021-10-21 19:16:12,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:12,367 INFO L225 Difference]: With dead ends: 580 [2021-10-21 19:16:12,367 INFO L226 Difference]: Without dead ends: 346 [2021-10-21 19:16:12,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 98.4ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-21 19:16:12,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-21 19:16:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-21 19:16:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 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 19:16:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-21 19:16:12,407 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-21 19:16:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:12,408 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-21 19:16:12,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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 19:16:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-21 19:16:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 19:16:12,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:12,410 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] [2021-10-21 19:16:12,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:16:12,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 19:16:12,626 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:12,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:12,627 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2021-10-21 19:16:12,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:12,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761199142] [2021-10-21 19:16:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:12,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:16:12,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:12,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761199142] [2021-10-21 19:16:12,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761199142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:12,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:12,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:12,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640374907] [2021-10-21 19:16:12,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:16:12,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:12,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:16:12,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:16:12,699 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 19:16:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:12,840 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-21 19:16:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:16:12,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 53 [2021-10-21 19:16:12,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:12,843 INFO L225 Difference]: With dead ends: 547 [2021-10-21 19:16:12,843 INFO L226 Difference]: Without dead ends: 377 [2021-10-21 19:16:12,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 51.3ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:16:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-21 19:16:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-21 19:16:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 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 19:16:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-21 19:16:12,873 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-21 19:16:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:12,873 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-21 19:16:12,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 19:16:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-21 19:16:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-21 19:16:12,874 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:16:12,875 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:16:12,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:16:12,875 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:16:12,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:16:12,876 INFO L82 PathProgramCache]: Analyzing trace with hash 848239207, now seen corresponding path program 1 times [2021-10-21 19:16:12,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:16:12,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385240036] [2021-10-21 19:16:12,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:16:12,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:16:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:16:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-21 19:16:12,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:16:12,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385240036] [2021-10-21 19:16:12,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385240036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:16:12,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:16:12,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:16:12,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913538532] [2021-10-21 19:16:12,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:16:12,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:16:12,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:16:12,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:16:12,939 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 19:16:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:16:13,145 INFO L93 Difference]: Finished difference Result 929 states and 1155 transitions. [2021-10-21 19:16:13,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:16:13,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 74 [2021-10-21 19:16:13,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:16:13,146 INFO L225 Difference]: With dead ends: 929 [2021-10-21 19:16:13,146 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:16:13,148 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:16:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:16:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:16:13,148 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 19:16:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:16:13,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-21 19:16:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:16:13,149 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:16:13,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 19:16:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:16:13,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:16:13,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:16:13,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:16:13,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:16:13,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:16:13,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:16:13,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:13,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:15,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:16:21,064 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2021-10-21 19:16:21,064 INFO L857 garLoopResultBuilder]: For program point L894-2(lines 894 900) no Hoare annotation was computed. [2021-10-21 19:16:21,065 INFO L853 garLoopResultBuilder]: At program point L762(lines 715 763) the Hoare annotation is: false [2021-10-21 19:16:21,065 INFO L857 garLoopResultBuilder]: For program point L894-4(lines 894 900) no Hoare annotation was computed. [2021-10-21 19:16:21,065 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,065 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 605) no Hoare annotation was computed. [2021-10-21 19:16:21,065 INFO L857 garLoopResultBuilder]: For program point L597-1(lines 597 605) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 605) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L567-1(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L567-2(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L567-3(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,066 INFO L857 garLoopResultBuilder]: For program point L567-4(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,067 INFO L857 garLoopResultBuilder]: For program point L567-5(lines 567 584) no Hoare annotation was computed. [2021-10-21 19:16:21,067 INFO L853 garLoopResultBuilder]: At program point L931(lines 1 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:16:21,067 INFO L853 garLoopResultBuilder]: At program point L535(lines 534 553) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse4 .cse6))) [2021-10-21 19:16:21,067 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-10-21 19:16:21,067 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 534 553) the Hoare annotation is: false [2021-10-21 19:16:21,068 INFO L853 garLoopResultBuilder]: At program point L535-3(lines 534 553) the Hoare annotation is: false [2021-10-21 19:16:21,068 INFO L853 garLoopResultBuilder]: At program point L701(lines 686 704) the Hoare annotation is: false [2021-10-21 19:16:21,068 INFO L853 garLoopResultBuilder]: At program point L701-1(lines 686 704) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse12 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse16 (not .cse3)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse12 .cse0 .cse1 .cse13 .cse11 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9) (and .cse12 .cse0 .cse1 .cse13 .cse4 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9)))) [2021-10-21 19:16:21,068 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 686 704) the Hoare annotation is: false [2021-10-21 19:16:21,069 INFO L853 garLoopResultBuilder]: At program point L701-3(lines 686 704) the Hoare annotation is: false [2021-10-21 19:16:21,069 INFO L853 garLoopResultBuilder]: At program point L701-4(lines 686 704) the Hoare annotation is: false [2021-10-21 19:16:21,069 INFO L853 garLoopResultBuilder]: At program point L701-5(lines 686 704) the Hoare annotation is: false [2021-10-21 19:16:21,069 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-21 19:16:21,069 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-21 19:16:21,069 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-10-21 19:16:21,069 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2021-10-21 19:16:21,070 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse4 .cse6 .cse10 .cse8 (= ~waterLevel~0 1) .cse9 .cse13) (and .cse4 .cse6 .cse10 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse13))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse0 .cse10 .cse7 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse0 .cse7 .cse2 .cse3) (and .cse4 .cse0 .cse10 .cse1 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse8 .cse9)))) [2021-10-21 19:16:21,070 INFO L853 garLoopResultBuilder]: At program point L637(lines 630 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7))) [2021-10-21 19:16:21,070 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 630 640) the Hoare annotation is: false [2021-10-21 19:16:21,070 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,071 INFO L853 garLoopResultBuilder]: At program point L637-2(lines 630 640) the Hoare annotation is: false [2021-10-21 19:16:21,071 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,071 INFO L857 garLoopResultBuilder]: For program point L571-2(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,071 INFO L857 garLoopResultBuilder]: For program point L571-3(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,071 INFO L857 garLoopResultBuilder]: For program point L571-4(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,071 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,072 INFO L857 garLoopResultBuilder]: For program point L571-5(lines 571 579) no Hoare annotation was computed. [2021-10-21 19:16:21,072 INFO L857 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,072 INFO L857 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,072 INFO L857 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,072 INFO L853 garLoopResultBuilder]: At program point L542(lines 542 548) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse14 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 (<= ~waterLevel~0 1) .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse11 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse4 .cse6 .cse7))) [2021-10-21 19:16:21,073 INFO L853 garLoopResultBuilder]: At program point L542-1(lines 542 548) the Hoare annotation is: false [2021-10-21 19:16:21,073 INFO L853 garLoopResultBuilder]: At program point L542-2(lines 542 548) the Hoare annotation is: false [2021-10-21 19:16:21,073 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-21 19:16:21,073 INFO L853 garLoopResultBuilder]: At program point L939(lines 934 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-21 19:16:21,073 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-21 19:16:21,073 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 782) no Hoare annotation was computed. [2021-10-21 19:16:21,074 INFO L857 garLoopResultBuilder]: For program point L778-3(lines 778 782) no Hoare annotation was computed. [2021-10-21 19:16:21,074 INFO L853 garLoopResultBuilder]: At program point L646(lines 641 649) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10 .cse11))) [2021-10-21 19:16:21,074 INFO L853 garLoopResultBuilder]: At program point L646-1(lines 641 649) the Hoare annotation is: false [2021-10-21 19:16:21,074 INFO L857 garLoopResultBuilder]: For program point L778-6(lines 778 782) no Hoare annotation was computed. [2021-10-21 19:16:21,074 INFO L853 garLoopResultBuilder]: At program point L646-2(lines 641 649) the Hoare annotation is: false [2021-10-21 19:16:21,075 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 757) no Hoare annotation was computed. [2021-10-21 19:16:21,075 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:16:21,075 INFO L853 garLoopResultBuilder]: At program point L847(lines 842 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10))) [2021-10-21 19:16:21,075 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2021-10-21 19:16:21,075 INFO L853 garLoopResultBuilder]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2021-10-21 19:16:21,076 INFO L853 garLoopResultBuilder]: At program point L815(lines 810 818) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7))) [2021-10-21 19:16:21,076 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 810 818) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse16 .cse17 .cse11 .cse12 (<= ~waterLevel~0 1) .cse5 .cse8) (and .cse0 .cse16 .cse17 .cse3 .cse5 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse14 .cse5 .cse6 .cse15 .cse8 .cse9 .cse10))) [2021-10-21 19:16:21,076 INFO L853 garLoopResultBuilder]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2021-10-21 19:16:21,076 INFO L853 garLoopResultBuilder]: At program point L815-3(lines 810 818) the Hoare annotation is: false [2021-10-21 19:16:21,077 INFO L853 garLoopResultBuilder]: At program point L815-4(lines 810 818) the Hoare annotation is: false [2021-10-21 19:16:21,077 INFO L853 garLoopResultBuilder]: At program point L815-5(lines 810 818) the Hoare annotation is: false [2021-10-21 19:16:21,077 INFO L857 garLoopResultBuilder]: For program point L717(lines 716 761) no Hoare annotation was computed. [2021-10-21 19:16:21,077 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 722) no Hoare annotation was computed. [2021-10-21 19:16:21,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:16:21,077 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 904) no Hoare annotation was computed. [2021-10-21 19:16:21,077 INFO L857 garLoopResultBuilder]: For program point L884-2(lines 884 904) no Hoare annotation was computed. [2021-10-21 19:16:21,078 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 756) no Hoare annotation was computed. [2021-10-21 19:16:21,078 INFO L857 garLoopResultBuilder]: For program point L884-4(lines 884 904) no Hoare annotation was computed. [2021-10-21 19:16:21,078 INFO L857 garLoopResultBuilder]: For program point L752-2(lines 535 541) no Hoare annotation was computed. [2021-10-21 19:16:21,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:16:21,078 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-21 19:16:21,078 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L855-3(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L855-5(lines 855 861) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-21 19:16:21,079 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-10-21 19:16:21,080 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 903) no Hoare annotation was computed. [2021-10-21 19:16:21,080 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 1 942) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse18 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse19 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse10 .cse11 .cse5 .cse12 .cse6 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse16 .cse17 .cse5 .cse18 .cse12 .cse19 .cse7 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse5 .cse18 .cse19 .cse7) (and .cse0 .cse8 .cse9 .cse16 .cse10 .cse11 .cse5 .cse18 .cse12 .cse19 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse17 .cse5 .cse12 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7))) [2021-10-21 19:16:21,080 INFO L857 garLoopResultBuilder]: For program point L890-2(lines 890 903) no Hoare annotation was computed. [2021-10-21 19:16:21,080 INFO L853 garLoopResultBuilder]: At program point L890-3(lines 1 942) the Hoare annotation is: false [2021-10-21 19:16:21,080 INFO L857 garLoopResultBuilder]: For program point L890-4(lines 890 903) no Hoare annotation was computed. [2021-10-21 19:16:21,081 INFO L853 garLoopResultBuilder]: At program point L890-5(lines 1 942) the Hoare annotation is: false [2021-10-21 19:16:21,081 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 610) no Hoare annotation was computed. [2021-10-21 19:16:21,081 INFO L857 garLoopResultBuilder]: For program point L593-1(lines 593 610) no Hoare annotation was computed. [2021-10-21 19:16:21,081 INFO L857 garLoopResultBuilder]: For program point L593-2(lines 593 610) no Hoare annotation was computed. [2021-10-21 19:16:21,081 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:16:21,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-21 19:16:21,082 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-10-21 19:16:21,082 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse18 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse16 (or (and .cse0 .cse2 .cse8 .cse5 .cse18 .cse6 .cse13) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse6 .cse13))) (.cse11 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse6 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse9 .cse5 .cse11 .cse12 .cse6) (and .cse7 .cse15 .cse3 .cse16 .cse17 .cse14) (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse15 .cse3 .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse17 .cse6) (and .cse7 .cse9 .cse16 .cse11 .cse12 .cse14) (and .cse0 .cse7 .cse8 .cse15 .cse3 .cse10 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse17 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse18 .cse6)))) [2021-10-21 19:16:21,082 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-21 19:16:21,082 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 535 541) no Hoare annotation was computed. [2021-10-21 19:16:21,082 INFO L853 garLoopResultBuilder]: At program point L860(lines 851 864) the Hoare annotation is: false [2021-10-21 19:16:21,083 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 851 864) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse8 (not .cse6)) (.cse9 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse10 .cse11 .cse4 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse11 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2021-10-21 19:16:21,083 INFO L853 garLoopResultBuilder]: At program point L860-2(lines 851 864) the Hoare annotation is: false [2021-10-21 19:16:21,083 INFO L853 garLoopResultBuilder]: At program point L860-3(lines 851 864) the Hoare annotation is: false [2021-10-21 19:16:21,083 INFO L853 garLoopResultBuilder]: At program point L860-4(lines 851 864) the Hoare annotation is: false [2021-10-21 19:16:21,083 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,083 INFO L853 garLoopResultBuilder]: At program point L860-5(lines 851 864) the Hoare annotation is: false [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-3(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-5(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-6(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-8(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,084 INFO L857 garLoopResultBuilder]: For program point L695-9(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,085 INFO L857 garLoopResultBuilder]: For program point L695-11(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,085 INFO L857 garLoopResultBuilder]: For program point L695-12(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,085 INFO L857 garLoopResultBuilder]: For program point L695-14(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,085 INFO L857 garLoopResultBuilder]: For program point L695-15(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,085 INFO L857 garLoopResultBuilder]: For program point L695-17(lines 695 699) no Hoare annotation was computed. [2021-10-21 19:16:21,090 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:16:21,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:16:21 BoogieIcfgContainer [2021-10-21 19:16:21,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:16:21,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:16:21,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:16:21,135 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:16:21,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:16:08" (3/4) ... [2021-10-21 19:16:21,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:16:21,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:16:21,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:16:21,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:16:21,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:16:21,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:16:21,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:16:21,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:16:21,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-21 19:16:21,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-21 19:16:21,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-21 19:16:21,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-21 19:16:21,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-21 19:16:21,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-21 19:16:21,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-21 19:16:21,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-21 19:16:21,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-21 19:16:21,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-21 19:16:21,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) [2021-10-21 19:16:21,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) [2021-10-21 19:16:21,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) [2021-10-21 19:16:21,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) [2021-10-21 19:16:21,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:16:21,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:16:21,305 INFO L168 Benchmark]: Toolchain (without parser) took 14649.74 ms. Allocated memory was 96.5 MB in the beginning and 249.6 MB in the end (delta: 153.1 MB). Free memory was 66.6 MB in the beginning and 135.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 85.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,306 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:16:21,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.20 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 64.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 96.5 MB. Free memory was 64.5 MB in the beginning and 60.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,307 INFO L168 Benchmark]: Boogie Preprocessor took 99.00 ms. Allocated memory is still 96.5 MB. Free memory was 60.6 MB in the beginning and 58.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,307 INFO L168 Benchmark]: RCFGBuilder took 1072.79 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 60.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,308 INFO L168 Benchmark]: TraceAbstraction took 12568.77 ms. Allocated memory was 117.4 MB in the beginning and 249.6 MB in the end (delta: 132.1 MB). Free memory was 59.6 MB in the beginning and 146.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,309 INFO L168 Benchmark]: Witness Printer took 168.70 ms. Allocated memory is still 249.6 MB. Free memory was 146.0 MB in the beginning and 135.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:16:21,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.20 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 64.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 96.5 MB. Free memory was 64.5 MB in the beginning and 60.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.00 ms. Allocated memory is still 96.5 MB. Free memory was 60.6 MB in the beginning and 58.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1072.79 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 60.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12568.77 ms. Allocated memory was 117.4 MB in the beginning and 249.6 MB in the end (delta: 132.1 MB). Free memory was 59.6 MB in the beginning and 146.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. * Witness Printer took 168.70 ms. Allocated memory is still 249.6 MB. Free memory was 146.0 MB in the beginning and 135.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12417.5ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 46.5ms, AutomataDifference: 1858.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7909.7ms, InitialAbstractionConstructionTime: 19.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1538 SDtfs, 2322 SDslu, 2475 SDs, 0 SdLazy, 390 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 771.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 409.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 316.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 313 NumberOfFragments, 1898 HoareAnnotationTreeSize, 45 FomulaSimplifications, 5385353 FormulaSimplificationTreeSizeReduction, 2502.4ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 1279027 FormulaSimplificationTreeSizeReductionInter, 5388.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 85.5ms SsaConstructionTime, 466.3ms SatisfiabilityAnalysisTime, 1142.1ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 3 NumberOfNonLiveVariables, 430 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:16:21,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273857d2-760f-4afa-94bf-4b9b77a99dbd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...