./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD --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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:46:51,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:46:51,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:46:51,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:46:51,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:46:51,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:46:51,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:46:51,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:46:51,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:46:51,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:46:51,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:46:51,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:46:51,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:46:51,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:46:51,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:46:51,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:46:51,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:46:51,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:46:51,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:46:51,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:46:51,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:46:51,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:46:51,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:46:51,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:46:51,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:46:51,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:46:51,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:46:51,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:46:51,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:46:51,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:46:51,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:46:51,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:46:51,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:46:51,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:46:51,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:46:51,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:46:51,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:46:51,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:46:51,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:46:51,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:46:51,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:46:51,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:46:51,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:46:51,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:46:51,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:46:51,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:46:51,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:46:51,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:46:51,425 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:46:51,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:46:51,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:46:51,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:46:51,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:46:51,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:46:51,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:46:51,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:46:51,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:46:51,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:46:51,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:46:51,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:46:51,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:46:51,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:46:51,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:46:51,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:46:51,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:46:51,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:46:51,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:46:51,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:46:51,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:46:51,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:46:51,430 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:46:51,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:46:51,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:46:51,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:46:51,431 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_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2021-10-28 23:46:51,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:46:51,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:46:51,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:46:51,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:46:51,773 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:46:51,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-28 23:46:51,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/data/5b0d9c855/2ec2f23e486443ddb109600c4a3c59ca/FLAG0e8debbb9 [2021-10-28 23:46:52,362 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:46:52,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-28 23:46:52,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/data/5b0d9c855/2ec2f23e486443ddb109600c4a3c59ca/FLAG0e8debbb9 [2021-10-28 23:46:52,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/data/5b0d9c855/2ec2f23e486443ddb109600c4a3c59ca [2021-10-28 23:46:52,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:46:52,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:46:52,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:52,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:46:52,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:46:52,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:52" (1/1) ... [2021-10-28 23:46:52,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4a24f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:52, skipping insertion in model container [2021-10-28 23:46:52,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:52" (1/1) ... [2021-10-28 23:46:52,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:46:52,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:46:53,090 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_7bada3df-5632-465b-8210-219c5e406169/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-28 23:46:53,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:53,137 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:46:53,222 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_7bada3df-5632-465b-8210-219c5e406169/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-28 23:46:53,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:53,251 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:46:53,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53 WrapperNode [2021-10-28 23:46:53,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:53,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:53,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:46:53,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:46:53,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:53,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:46:53,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:46:53,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:46:53,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:46:53,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:46:53,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:46:53,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:46:53,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (1/1) ... [2021-10-28 23:46:53,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:46:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:53,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:53,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:46:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:46:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:46:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:46:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:46:54,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:46:54,475 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-10-28 23:46:54,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:54 BoogieIcfgContainer [2021-10-28 23:46:54,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:46:54,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:46:54,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:46:54,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:46:54,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:46:52" (1/3) ... [2021-10-28 23:46:54,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68130c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:46:54, skipping insertion in model container [2021-10-28 23:46:54,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:53" (2/3) ... [2021-10-28 23:46:54,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68130c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:46:54, skipping insertion in model container [2021-10-28 23:46:54,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:54" (3/3) ... [2021-10-28 23:46:54,493 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-10-28 23:46:54,522 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:46:54,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:46:54,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:46:54,597 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:46:54,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:46:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:46:54,633 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:54,635 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:54,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:54,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:54,644 INFO L85 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2021-10-28 23:46:54,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:54,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035542519] [2021-10-28 23:46:54,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:54,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:55,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:55,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035542519] [2021-10-28 23:46:55,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035542519] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:55,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:55,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:46:55,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330290212] [2021-10-28 23:46:55,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:46:55,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:55,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:46:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:46:55,058 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:55,090 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-10-28 23:46:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:46:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:46:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:55,108 INFO L225 Difference]: With dead ends: 167 [2021-10-28 23:46:55,108 INFO L226 Difference]: Without dead ends: 83 [2021-10-28 23:46:55,112 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:46:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-28 23:46:55,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-28 23:46:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-10-28 23:46:55,154 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-10-28 23:46:55,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:55,155 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-10-28 23:46:55,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-10-28 23:46:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:46:55,157 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:55,157 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:46:55,158 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2021-10-28 23:46:55,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943309024] [2021-10-28 23:46:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:55,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:55,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943309024] [2021-10-28 23:46:55,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943309024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:55,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:55,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:46:55,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810167098] [2021-10-28 23:46:55,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:46:55,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:46:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:55,306 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:55,317 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-10-28 23:46:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:46:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 23:46:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:55,319 INFO L225 Difference]: With dead ends: 83 [2021-10-28 23:46:55,320 INFO L226 Difference]: Without dead ends: 38 [2021-10-28 23:46:55,321 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:55,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-28 23:46:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-28 23:46:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-10-28 23:46:55,327 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-10-28 23:46:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:55,328 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-10-28 23:46:55,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-28 23:46:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:46:55,330 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:55,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:46:55,331 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:55,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2021-10-28 23:46:55,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249919944] [2021-10-28 23:46:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:55,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:55,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249919944] [2021-10-28 23:46:55,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249919944] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:55,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:55,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:46:55,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956384023] [2021-10-28 23:46:55,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:46:55,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:55,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:46:55,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:46:55,465 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:55,635 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-10-28 23:46:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:46:55,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:46:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:55,650 INFO L225 Difference]: With dead ends: 69 [2021-10-28 23:46:55,650 INFO L226 Difference]: Without dead ends: 38 [2021-10-28 23:46:55,652 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:46:55,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-28 23:46:55,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-28 23:46:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 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) [2021-10-28 23:46:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-28 23:46:55,659 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-10-28 23:46:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:55,659 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-28 23:46:55,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-10-28 23:46:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:46:55,661 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:55,661 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:46:55,662 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:55,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2021-10-28 23:46:55,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917536030] [2021-10-28 23:46:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:55,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:55,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917536030] [2021-10-28 23:46:55,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917536030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:55,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:55,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:46:55,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962435881] [2021-10-28 23:46:55,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:46:55,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:55,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:46:55,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:55,816 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:55,863 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-10-28 23:46:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:46:55,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 23:46:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:55,865 INFO L225 Difference]: With dead ends: 93 [2021-10-28 23:46:55,865 INFO L226 Difference]: Without dead ends: 62 [2021-10-28 23:46:55,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:55,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-28 23:46:55,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-28 23:46:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 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) [2021-10-28 23:46:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-28 23:46:55,876 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-10-28 23:46:55,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:55,877 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-28 23:46:55,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-28 23:46:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:46:55,879 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:55,879 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:46:55,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2021-10-28 23:46:55,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503488482] [2021-10-28 23:46:55,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:55,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:55,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503488482] [2021-10-28 23:46:55,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503488482] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:55,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:55,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:46:55,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978775556] [2021-10-28 23:46:55,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:46:55,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:55,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:46:55,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:46:55,982 INFO L87 Difference]: Start difference. First operand 60 states and 83 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) [2021-10-28 23:46:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:56,042 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-10-28 23:46:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:46:56,043 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 [2021-10-28 23:46:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:56,044 INFO L225 Difference]: With dead ends: 157 [2021-10-28 23:46:56,045 INFO L226 Difference]: Without dead ends: 104 [2021-10-28 23:46:56,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:46:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-28 23:46:56,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-10-28 23:46:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-10-28 23:46:56,057 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-10-28 23:46:56,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:56,058 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-10-28 23:46:56,058 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) [2021-10-28 23:46:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-10-28 23:46:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:46:56,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:56,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:56,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:46:56,061 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2021-10-28 23:46:56,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:56,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221006142] [2021-10-28 23:46:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:56,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:56,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:56,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221006142] [2021-10-28 23:46:56,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221006142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:56,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:56,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:46:56,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991062754] [2021-10-28 23:46:56,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:46:56,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:56,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:46:56,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:46:56,192 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:56,316 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-10-28 23:46:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:46:56,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:46:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:56,319 INFO L225 Difference]: With dead ends: 216 [2021-10-28 23:46:56,319 INFO L226 Difference]: Without dead ends: 160 [2021-10-28 23:46:56,320 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:46:56,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-28 23:46:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-28 23:46:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 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) [2021-10-28 23:46:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-10-28 23:46:56,332 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-10-28 23:46:56,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:56,333 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-10-28 23:46:56,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-10-28 23:46:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:46:56,334 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:56,335 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:56,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:46:56,335 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:56,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2021-10-28 23:46:56,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:56,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319365934] [2021-10-28 23:46:56,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:56,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:56,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:56,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319365934] [2021-10-28 23:46:56,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319365934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:56,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:56,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:46:56,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885721970] [2021-10-28 23:46:56,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:46:56,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:56,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:46:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:46:56,431 INFO L87 Difference]: Start difference. First operand 62 states and 83 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) [2021-10-28 23:46:56,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:56,464 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2021-10-28 23:46:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:46:56,464 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 [2021-10-28 23:46:56,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:56,466 INFO L225 Difference]: With dead ends: 143 [2021-10-28 23:46:56,467 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 23:46:56,468 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:46:56,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 23:46:56,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2021-10-28 23:46:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-10-28 23:46:56,488 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-10-28 23:46:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:56,489 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-10-28 23:46:56,489 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) [2021-10-28 23:46:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-10-28 23:46:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:46:56,490 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:56,491 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:56,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:46:56,491 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:56,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:56,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2021-10-28 23:46:56,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:56,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382490377] [2021-10-28 23:46:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:56,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:56,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:56,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382490377] [2021-10-28 23:46:56,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382490377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:56,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:56,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:46:56,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844063861] [2021-10-28 23:46:56,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:46:56,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:56,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:46:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:56,626 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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) [2021-10-28 23:46:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:56,658 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-10-28 23:46:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:46:56,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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 [2021-10-28 23:46:56,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:56,660 INFO L225 Difference]: With dead ends: 148 [2021-10-28 23:46:56,660 INFO L226 Difference]: Without dead ends: 91 [2021-10-28 23:46:56,665 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:46:56,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-28 23:46:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-28 23:46:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-10-28 23:46:56,692 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-10-28 23:46:56,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:56,692 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-28 23:46:56,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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) [2021-10-28 23:46:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-10-28 23:46:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:46:56,700 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:56,700 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:56,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:46:56,701 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:56,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:56,702 INFO L85 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2021-10-28 23:46:56,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:56,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093738095] [2021-10-28 23:46:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:56,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:56,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:56,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093738095] [2021-10-28 23:46:56,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093738095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:56,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:56,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:46:56,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278344001] [2021-10-28 23:46:56,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:46:56,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:46:56,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:46:56,862 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:57,159 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-10-28 23:46:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:46:57,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 23:46:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:57,164 INFO L225 Difference]: With dead ends: 420 [2021-10-28 23:46:57,164 INFO L226 Difference]: Without dead ends: 363 [2021-10-28 23:46:57,169 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:46:57,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-28 23:46:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-10-28 23:46:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-10-28 23:46:57,214 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-10-28 23:46:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:57,214 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-10-28 23:46:57,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-10-28 23:46:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:46:57,217 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:46:57,218 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:57,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:46:57,218 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:46:57,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:57,219 INFO L85 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2021-10-28 23:46:57,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:57,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936417369] [2021-10-28 23:46:57,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:57,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:57,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:57,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936417369] [2021-10-28 23:46:57,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936417369] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:46:57,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881298674] [2021-10-28 23:46:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:57,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:46:57,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:57,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:46:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:46:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:57,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:46:57,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:57,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881298674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:46:57,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:46:57,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 23:46:57,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474259913] [2021-10-28 23:46:57,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:46:57,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:46:57,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:46:57,777 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:58,043 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-10-28 23:46:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:46:58,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-28 23:46:58,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:46:58,045 INFO L225 Difference]: With dead ends: 282 [2021-10-28 23:46:58,045 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:46:58,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:46:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:46:58,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:46:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:46:58,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-28 23:46:58,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:46:58,048 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:46:58,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:46:58,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:46:58,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:46:58,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:46:58,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:46:58,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:58,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:46:58,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:46:58,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:46:58,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:47:00,280 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,280 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-28 23:47:00,281 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:47:00,281 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-28 23:47:00,281 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 460 471) no Hoare annotation was computed. [2021-10-28 23:47:00,282 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2021-10-28 23:47:00,282 INFO L857 garLoopResultBuilder]: For program point L879-1(lines 879 885) no Hoare annotation was computed. [2021-10-28 23:47:00,282 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 885) no Hoare annotation was computed. [2021-10-28 23:47:00,283 INFO L853 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-10-28 23:47:00,283 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-28 23:47:00,283 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:47:00,283 INFO L853 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-10-28 23:47:00,283 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 818) no Hoare annotation was computed. [2021-10-28 23:47:00,284 INFO L860 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2021-10-28 23:47:00,284 INFO L853 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: false [2021-10-28 23:47:00,284 INFO L853 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:47:00,284 INFO L857 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2021-10-28 23:47:00,284 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:47:00,284 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2021-10-28 23:47:00,285 INFO L857 garLoopResultBuilder]: For program point L537-1(lines 537 554) no Hoare annotation was computed. [2021-10-28 23:47:00,285 INFO L857 garLoopResultBuilder]: For program point L537-2(lines 537 554) no Hoare annotation was computed. [2021-10-28 23:47:00,285 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2021-10-28 23:47:00,285 INFO L853 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-28 23:47:00,285 INFO L853 garLoopResultBuilder]: At program point L917-1(lines 1 937) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4))) [2021-10-28 23:47:00,288 INFO L853 garLoopResultBuilder]: At program point L884-1(lines 875 888) the Hoare annotation is: false [2021-10-28 23:47:00,289 INFO L857 garLoopResultBuilder]: For program point L917-2(lines 917 934) no Hoare annotation was computed. [2021-10-28 23:47:00,289 INFO L853 garLoopResultBuilder]: At program point L917-3(lines 1 937) the Hoare annotation is: false [2021-10-28 23:47:00,290 INFO L853 garLoopResultBuilder]: At program point L884-2(lines 875 888) the Hoare annotation is: false [2021-10-28 23:47:00,290 INFO L857 garLoopResultBuilder]: For program point L917-4(lines 917 934) no Hoare annotation was computed. [2021-10-28 23:47:00,290 INFO L853 garLoopResultBuilder]: At program point L917-5(lines 1 937) the Hoare annotation is: false [2021-10-28 23:47:00,290 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-10-28 23:47:00,290 INFO L857 garLoopResultBuilder]: For program point L802-3(lines 802 806) no Hoare annotation was computed. [2021-10-28 23:47:00,290 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-10-28 23:47:00,291 INFO L857 garLoopResultBuilder]: For program point L703-1(lines 703 707) no Hoare annotation was computed. [2021-10-28 23:47:00,291 INFO L857 garLoopResultBuilder]: For program point L802-6(lines 802 806) no Hoare annotation was computed. [2021-10-28 23:47:00,291 INFO L853 garLoopResultBuilder]: At program point L505(lines 501 523) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse4 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)))) [2021-10-28 23:47:00,291 INFO L853 garLoopResultBuilder]: At program point L505-1(lines 501 523) the Hoare annotation is: false [2021-10-28 23:47:00,291 INFO L853 garLoopResultBuilder]: At program point L505-2(lines 501 523) the Hoare annotation is: false [2021-10-28 23:47:00,292 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,293 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-28 23:47:00,293 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:47:00,293 INFO L857 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,293 INFO L857 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,293 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:47:00,294 INFO L857 garLoopResultBuilder]: For program point L639-3(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,294 INFO L857 garLoopResultBuilder]: For program point L639-5(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,294 INFO L857 garLoopResultBuilder]: For program point L639-6(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,294 INFO L857 garLoopResultBuilder]: For program point L639-8(lines 639 643) no Hoare annotation was computed. [2021-10-28 23:47:00,294 INFO L853 garLoopResultBuilder]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse4 .cse8 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse9 .cse3 .cse7 .cse4 .cse8 .cse5))) [2021-10-28 23:47:00,295 INFO L853 garLoopResultBuilder]: At program point L590-1(lines 585 593) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 (= ~waterLevel~0 1) .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3))) [2021-10-28 23:47:00,295 INFO L853 garLoopResultBuilder]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-10-28 23:47:00,296 INFO L853 garLoopResultBuilder]: At program point L590-3(lines 585 593) the Hoare annotation is: false [2021-10-28 23:47:00,296 INFO L853 garLoopResultBuilder]: At program point L590-4(lines 585 593) the Hoare annotation is: false [2021-10-28 23:47:00,296 INFO L853 garLoopResultBuilder]: At program point L590-5(lines 585 593) the Hoare annotation is: false [2021-10-28 23:47:00,297 INFO L853 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse7 .cse8 .cse4 .cse9 .cse5) (and .cse10 .cse0 .cse2 .cse8 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse10 .cse0 .cse6 .cse2 .cse7 .cse8 .cse4 .cse9 .cse5))) [2021-10-28 23:47:00,297 INFO L853 garLoopResultBuilder]: At program point L871-1(lines 866 874) the Hoare annotation is: false [2021-10-28 23:47:00,297 INFO L853 garLoopResultBuilder]: At program point L871-2(lines 866 874) the Hoare annotation is: false [2021-10-28 23:47:00,297 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2021-10-28 23:47:00,297 INFO L860 garLoopResultBuilder]: At program point L772-1(lines 772 779) the Hoare annotation is: true [2021-10-28 23:47:00,301 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2021-10-28 23:47:00,301 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 549) no Hoare annotation was computed. [2021-10-28 23:47:00,303 INFO L857 garLoopResultBuilder]: For program point L541-2(lines 541 549) no Hoare annotation was computed. [2021-10-28 23:47:00,304 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2021-10-28 23:47:00,304 INFO L857 garLoopResultBuilder]: For program point L921-2(lines 921 931) no Hoare annotation was computed. [2021-10-28 23:47:00,304 INFO L857 garLoopResultBuilder]: For program point L921-4(lines 921 931) no Hoare annotation was computed. [2021-10-28 23:47:00,304 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-10-28 23:47:00,304 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2021-10-28 23:47:00,304 INFO L857 garLoopResultBuilder]: For program point L922-2(lines 922 928) no Hoare annotation was computed. [2021-10-28 23:47:00,305 INFO L857 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,305 INFO L857 garLoopResultBuilder]: For program point L922-4(lines 922 928) no Hoare annotation was computed. [2021-10-28 23:47:00,305 INFO L857 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,305 INFO L857 garLoopResultBuilder]: For program point L790-2(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,305 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-10-28 23:47:00,306 INFO L853 garLoopResultBuilder]: At program point L906(lines 505 511) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse6 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse6 .cse4 .cse5))) [2021-10-28 23:47:00,307 INFO L853 garLoopResultBuilder]: At program point L906-1(lines 505 511) the Hoare annotation is: false [2021-10-28 23:47:00,307 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 505 511) the Hoare annotation is: false [2021-10-28 23:47:00,307 INFO L853 garLoopResultBuilder]: At program point L675(lines 1 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:47:00,307 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:47:00,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-28 23:47:00,308 INFO L853 garLoopResultBuilder]: At program point L512(lines 512 518) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse4 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse6 .cse7))) [2021-10-28 23:47:00,308 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 512 518) the Hoare annotation is: false [2021-10-28 23:47:00,309 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 512 518) the Hoare annotation is: false [2021-10-28 23:47:00,309 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2021-10-28 23:47:00,310 INFO L853 garLoopResultBuilder]: At program point L645(lines 630 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-28 23:47:00,310 INFO L853 garLoopResultBuilder]: At program point L645-1(lines 630 648) the Hoare annotation is: false [2021-10-28 23:47:00,312 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 630 648) the Hoare annotation is: false [2021-10-28 23:47:00,312 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-10-28 23:47:00,316 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:47:00,319 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:47:00,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:47:00 BoogieIcfgContainer [2021-10-28 23:47:00,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:47:00,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:47:00,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:47:00,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:47:00,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:54" (3/4) ... [2021-10-28 23:47:00,375 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:47:00,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:47:00,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:47:00,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:47:00,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:47:00,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:47:00,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:47:00,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:47:00,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 23:47:00,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-10-28 23:47:00,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-10-28 23:47:00,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) [2021-10-28 23:47:00,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-10-28 23:47:00,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-10-28 23:47:00,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) [2021-10-28 23:47:00,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-10-28 23:47:00,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-10-28 23:47:00,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) [2021-10-28 23:47:00,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) [2021-10-28 23:47:00,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-10-28 23:47:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-10-28 23:47:00,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-10-28 23:47:00,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:47:00,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:47:00,517 INFO L168 Benchmark]: Toolchain (without parser) took 7819.38 ms. Allocated memory was 123.7 MB in the beginning and 167.8 MB in the end (delta: 44.0 MB). Free memory was 84.0 MB in the beginning and 57.4 MB in the end (delta: 26.6 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,518 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory is still 101.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:47:00,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.82 ms. Allocated memory is still 123.7 MB. Free memory was 83.8 MB in the beginning and 93.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.32 ms. Allocated memory is still 123.7 MB. Free memory was 93.3 MB in the beginning and 90.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,519 INFO L168 Benchmark]: Boogie Preprocessor took 74.85 ms. Allocated memory is still 123.7 MB. Free memory was 90.1 MB in the beginning and 88.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,520 INFO L168 Benchmark]: RCFGBuilder took 1053.15 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 100.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,520 INFO L168 Benchmark]: TraceAbstraction took 5891.00 ms. Allocated memory was 123.7 MB in the beginning and 167.8 MB in the end (delta: 44.0 MB). Free memory was 99.2 MB in the beginning and 64.8 MB in the end (delta: 34.5 MB). Peak memory consumption was 99.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,521 INFO L168 Benchmark]: Witness Printer took 144.26 ms. Allocated memory is still 167.8 MB. Free memory was 64.8 MB in the beginning and 57.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:00,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory is still 101.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.82 ms. Allocated memory is still 123.7 MB. Free memory was 83.8 MB in the beginning and 93.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.32 ms. Allocated memory is still 123.7 MB. Free memory was 93.3 MB in the beginning and 90.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.85 ms. Allocated memory is still 123.7 MB. Free memory was 90.1 MB in the beginning and 88.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1053.15 ms. Allocated memory is still 123.7 MB. Free memory was 88.1 MB in the beginning and 100.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5891.00 ms. Allocated memory was 123.7 MB in the beginning and 167.8 MB in the end (delta: 44.0 MB). Free memory was 99.2 MB in the beginning and 64.8 MB in the end (delta: 34.5 MB). Peak memory consumption was 99.9 MB. Max. memory is 16.1 GB. * Witness Printer took 144.26 ms. Allocated memory is still 167.8 MB. Free memory was 64.8 MB in the beginning and 57.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 790]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 790]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 790]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1096 SDslu, 1040 SDs, 0 SdLazy, 189 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 373 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 952 HoareAnnotationTreeSize, 37 FomulaSimplifications, 16392 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 3050 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:47:00,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bada3df-5632-465b-8210-219c5e406169/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...