./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:00:06,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:00:06,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:00:06,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:00:06,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:00:06,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:00:06,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:00:06,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:00:06,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:00:06,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:00:06,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:00:06,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:00:06,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:00:06,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:00:06,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:00:06,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:00:06,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:00:06,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:00:06,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:00:06,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:00:06,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:00:06,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:00:06,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:00:06,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:00:06,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:00:06,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:00:06,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:00:06,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:00:06,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:00:06,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:00:06,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:00:06,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:00:06,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:00:06,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:00:06,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:00:06,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:00:06,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:00:06,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:00:06,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:00:06,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:00:06,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:00:06,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:00:06,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:00:06,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:00:06,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:00:06,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:00:06,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:00:06,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:00:06,362 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:00:06,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:00:06,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:00:06,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:00:06,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:00:06,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:00:06,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:00:06,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:00:06,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:00:06,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:00:06,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:00:06,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:00:06,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:00:06,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:00:06,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:00:06,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:00:06,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:00:06,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:00:06,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:00:06,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:00:06,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:00:06,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:00:06,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:00:06,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:00:06,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:00:06,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:00:06,372 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_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2021-10-21 20:00:06,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:00:06,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:00:06,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:00:06,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:00:06,758 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:00:06,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-21 20:00:06,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/data/21a2a88d6/61424518a5644a29b1514ba41aabfdd6/FLAG8f82f3b9c [2021-10-21 20:00:07,588 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:00:07,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-21 20:00:07,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/data/21a2a88d6/61424518a5644a29b1514ba41aabfdd6/FLAG8f82f3b9c [2021-10-21 20:00:07,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/data/21a2a88d6/61424518a5644a29b1514ba41aabfdd6 [2021-10-21 20:00:07,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:00:07,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:00:07,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:07,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:00:07,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:00:07,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481fd355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:07, skipping insertion in model container [2021-10-21 20:00:07,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:07" (1/1) ... [2021-10-21 20:00:07,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:00:07,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:00:08,412 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_2e89cae6-ef91-4853-8695-84be8bb88eb8/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-21 20:00:08,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:08,482 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:00:08,588 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_2e89cae6-ef91-4853-8695-84be8bb88eb8/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-21 20:00:08,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:08,637 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:00:08,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08 WrapperNode [2021-10-21 20:00:08,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:08,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:08,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:00:08,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:00:08,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:08,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:00:08,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:00:08,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:00:08,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:00:08,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:00:08,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:00:08,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:00:08,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (1/1) ... [2021-10-21 20:00:08,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:00:08,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:08,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:08,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:00:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:00:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:00:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:00:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:00:10,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:00:10,477 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-21 20:00:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:10 BoogieIcfgContainer [2021-10-21 20:00:10,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:00:10,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:00:10,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:00:10,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:00:10,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:00:07" (1/3) ... [2021-10-21 20:00:10,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b01ca20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:00:10, skipping insertion in model container [2021-10-21 20:00:10,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:08" (2/3) ... [2021-10-21 20:00:10,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b01ca20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:00:10, skipping insertion in model container [2021-10-21 20:00:10,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:10" (3/3) ... [2021-10-21 20:00:10,495 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2021-10-21 20:00:10,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:00:10,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:00:10,580 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:00:10,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:00:10,589 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:00:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:00:10,620 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:10,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:10,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:10,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2021-10-21 20:00:10,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:10,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086199217] [2021-10-21 20:00:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:10,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:11,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:11,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086199217] [2021-10-21 20:00:11,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086199217] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:11,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:11,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:00:11,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616092602] [2021-10-21 20:00:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:00:11,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:11,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:00:11,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:00:11,111 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:11,174 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-21 20:00:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:00:11,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 20:00:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:11,192 INFO L225 Difference]: With dead ends: 228 [2021-10-21 20:00:11,192 INFO L226 Difference]: Without dead ends: 113 [2021-10-21 20:00:11,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:00:11,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-21 20:00:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-21 20:00:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-21 20:00:11,274 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-21 20:00:11,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:11,276 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-21 20:00:11,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-21 20:00:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:00:11,282 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:11,283 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:11,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:00:11,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:11,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:11,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2021-10-21 20:00:11,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:11,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034062251] [2021-10-21 20:00:11,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:11,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:11,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:11,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034062251] [2021-10-21 20:00:11,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034062251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:11,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:11,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:00:11,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300944805] [2021-10-21 20:00:11,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:00:11,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:00:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,456 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:11,468 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-21 20:00:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:00:11,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 20:00:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:11,476 INFO L225 Difference]: With dead ends: 113 [2021-10-21 20:00:11,477 INFO L226 Difference]: Without dead ends: 47 [2021-10-21 20:00:11,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-21 20:00:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-21 20:00:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-21 20:00:11,484 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-21 20:00:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:11,485 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-21 20:00:11,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-21 20:00:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:00:11,489 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:11,490 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:11,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:00:11,490 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:11,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:11,504 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2021-10-21 20:00:11,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:11,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255686983] [2021-10-21 20:00:11,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:11,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:11,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:11,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255686983] [2021-10-21 20:00:11,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255686983] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:11,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:11,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:00:11,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277928138] [2021-10-21 20:00:11,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:00:11,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:11,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:00:11,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,636 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:11,684 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-21 20:00:11,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:00:11,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 20:00:11,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:11,690 INFO L225 Difference]: With dead ends: 88 [2021-10-21 20:00:11,691 INFO L226 Difference]: Without dead ends: 47 [2021-10-21 20:00:11,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-21 20:00:11,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-21 20:00:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-21 20:00:11,698 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-21 20:00:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:11,699 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-21 20:00:11,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-21 20:00:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 20:00:11,700 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:11,701 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:11,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:00:11,704 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:11,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:11,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2021-10-21 20:00:11,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:11,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569751245] [2021-10-21 20:00:11,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:11,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:11,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:11,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569751245] [2021-10-21 20:00:11,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569751245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:11,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:11,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:00:11,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416790856] [2021-10-21 20:00:11,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:00:11,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:11,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:00:11,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,858 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:11,927 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-21 20:00:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:00:11,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 20:00:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:11,929 INFO L225 Difference]: With dead ends: 111 [2021-10-21 20:00:11,930 INFO L226 Difference]: Without dead ends: 70 [2021-10-21 20:00:11,932 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:00:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-21 20:00:11,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-21 20:00:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-21 20:00:11,949 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-21 20:00:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:11,950 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-21 20:00:11,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-21 20:00:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:00:11,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:11,958 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:11,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:00:11,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:11,962 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2021-10-21 20:00:11,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:11,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910557442] [2021-10-21 20:00:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:11,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:12,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910557442] [2021-10-21 20:00:12,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910557442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:12,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:12,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:12,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726567341] [2021-10-21 20:00:12,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:12,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:12,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:12,109 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:12,198 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-21 20:00:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:00:12,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-21 20:00:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:12,203 INFO L225 Difference]: With dead ends: 183 [2021-10-21 20:00:12,203 INFO L226 Difference]: Without dead ends: 121 [2021-10-21 20:00:12,204 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:00:12,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-21 20:00:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-21 20:00:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-21 20:00:12,231 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-21 20:00:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:12,232 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-21 20:00:12,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-21 20:00:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:00:12,235 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:12,236 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:00:12,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2021-10-21 20:00:12,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:12,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323705560] [2021-10-21 20:00:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:12,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:12,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323705560] [2021-10-21 20:00:12,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323705560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:12,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:12,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:00:12,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928368726] [2021-10-21 20:00:12,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:12,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:12,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:12,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:12,347 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:12,536 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-21 20:00:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:00:12,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-21 20:00:12,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:12,539 INFO L225 Difference]: With dead ends: 373 [2021-10-21 20:00:12,539 INFO L226 Difference]: Without dead ends: 305 [2021-10-21 20:00:12,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:00:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-21 20:00:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-21 20:00:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-21 20:00:12,559 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-21 20:00:12,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:12,559 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-21 20:00:12,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-21 20:00:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:00:12,561 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:12,561 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:12,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:00:12,562 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:12,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2021-10-21 20:00:12,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:12,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17424503] [2021-10-21 20:00:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:12,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:12,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17424503] [2021-10-21 20:00:12,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17424503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:12,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:12,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:00:12,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369710305] [2021-10-21 20:00:12,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:00:12,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:00:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:00:12,624 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:12,809 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-21 20:00:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:00:12,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:00:12,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:12,814 INFO L225 Difference]: With dead ends: 250 [2021-10-21 20:00:12,814 INFO L226 Difference]: Without dead ends: 182 [2021-10-21 20:00:12,815 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:00:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-21 20:00:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-21 20:00:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-21 20:00:12,857 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-21 20:00:12,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:12,857 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-21 20:00:12,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-21 20:00:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:00:12,860 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:12,861 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:12,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:00:12,861 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:12,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:12,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2021-10-21 20:00:12,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:12,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215823517] [2021-10-21 20:00:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:12,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:12,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:12,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215823517] [2021-10-21 20:00:12,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215823517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:12,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:12,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:00:12,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014353679] [2021-10-21 20:00:12,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:00:12,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:12,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:00:12,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:00:12,944 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,018 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-21 20:00:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:00:13,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:00:13,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:13,021 INFO L225 Difference]: With dead ends: 422 [2021-10-21 20:00:13,021 INFO L226 Difference]: Without dead ends: 295 [2021-10-21 20:00:13,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-21 20:00:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-21 20:00:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-21 20:00:13,040 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-21 20:00:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:13,041 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-21 20:00:13,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-21 20:00:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:00:13,042 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:13,042 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:13,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:00:13,043 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:13,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2021-10-21 20:00:13,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:13,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814584604] [2021-10-21 20:00:13,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:13,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:13,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814584604] [2021-10-21 20:00:13,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814584604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:13,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:13,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:13,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858659153] [2021-10-21 20:00:13,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:13,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:13,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:13,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:13,104 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,268 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-21 20:00:13,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:00:13,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:00:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:13,274 INFO L225 Difference]: With dead ends: 457 [2021-10-21 20:00:13,274 INFO L226 Difference]: Without dead ends: 290 [2021-10-21 20:00:13,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:00:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-21 20:00:13,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-21 20:00:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-21 20:00:13,300 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-21 20:00:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:13,302 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-21 20:00:13,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-21 20:00:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:00:13,304 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:13,304 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:13,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:00:13,305 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2021-10-21 20:00:13,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:13,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733590293] [2021-10-21 20:00:13,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:13,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:13,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733590293] [2021-10-21 20:00:13,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733590293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:13,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:13,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:13,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591318924] [2021-10-21 20:00:13,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:13,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:13,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:13,383 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,446 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-21 20:00:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:00:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:00:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:13,449 INFO L225 Difference]: With dead ends: 385 [2021-10-21 20:00:13,450 INFO L226 Difference]: Without dead ends: 239 [2021-10-21 20:00:13,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:00:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-21 20:00:13,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-21 20:00:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-21 20:00:13,470 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-21 20:00:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:13,471 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-21 20:00:13,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-21 20:00:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-21 20:00:13,472 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:13,472 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:13,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:00:13,473 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:13,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2021-10-21 20:00:13,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:13,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242174422] [2021-10-21 20:00:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 20:00:13,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:13,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242174422] [2021-10-21 20:00:13,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242174422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:13,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:13,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:13,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809030783] [2021-10-21 20:00:13,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:13,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:13,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:13,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:13,553 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,623 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-21 20:00:13,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:00:13,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-10-21 20:00:13,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:13,626 INFO L225 Difference]: With dead ends: 281 [2021-10-21 20:00:13,626 INFO L226 Difference]: Without dead ends: 173 [2021-10-21 20:00:13,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:00:13,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-21 20:00:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-21 20:00:13,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-21 20:00:13,644 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-21 20:00:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:13,644 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-21 20:00:13,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-21 20:00:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-21 20:00:13,646 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:13,646 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:13,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:00:13,646 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2021-10-21 20:00:13,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:13,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371992304] [2021-10-21 20:00:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:00:13,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:13,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371992304] [2021-10-21 20:00:13,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371992304] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:13,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:13,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:00:13,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647675320] [2021-10-21 20:00:13,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:13,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:13,741 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:13,862 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-21 20:00:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:00:13,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-21 20:00:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:13,866 INFO L225 Difference]: With dead ends: 633 [2021-10-21 20:00:13,866 INFO L226 Difference]: Without dead ends: 515 [2021-10-21 20:00:13,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:00:13,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-21 20:00:13,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-21 20:00:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-21 20:00:13,904 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-21 20:00:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:13,905 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-21 20:00:13,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-21 20:00:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 20:00:13,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:13,906 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:13,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:00:13,907 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:13,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2021-10-21 20:00:13,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:13,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540635461] [2021-10-21 20:00:13,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:00:13,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:13,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540635461] [2021-10-21 20:00:13,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540635461] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:00:13,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274438143] [2021-10-21 20:00:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:13,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:00:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:13,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:00:14,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:00:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:14,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:00:14,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:00:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:00:14,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274438143] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:00:14,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:00:14,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 20:00:14,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163802604] [2021-10-21 20:00:14,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:00:14,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:14,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:00:14,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:00:14,528 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:14,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:14,735 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-21 20:00:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:00:14,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-21 20:00:14,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:14,738 INFO L225 Difference]: With dead ends: 580 [2021-10-21 20:00:14,738 INFO L226 Difference]: Without dead ends: 346 [2021-10-21 20:00:14,739 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.0ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:00:14,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-21 20:00:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-21 20:00:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-21 20:00:14,778 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-21 20:00:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:14,780 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-21 20:00:14,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-21 20:00:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 20:00:14,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:14,781 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:14,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:00:15,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:00:15,006 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:15,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2021-10-21 20:00:15,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:15,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620350482] [2021-10-21 20:00:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:15,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 20:00:15,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:15,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620350482] [2021-10-21 20:00:15,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620350482] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:15,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:15,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:15,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956097334] [2021-10-21 20:00:15,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:00:15,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:15,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:00:15,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:00:15,120 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:15,275 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-21 20:00:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:00:15,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-21 20:00:15,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:15,278 INFO L225 Difference]: With dead ends: 547 [2021-10-21 20:00:15,279 INFO L226 Difference]: Without dead ends: 377 [2021-10-21 20:00:15,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 53.2ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:00:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-21 20:00:15,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-21 20:00:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-21 20:00:15,311 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-21 20:00:15,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:15,311 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-21 20:00:15,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-21 20:00:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-21 20:00:15,313 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:00:15,313 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:00:15,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:00:15,314 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:00:15,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:00:15,314 INFO L82 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2021-10-21 20:00:15,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:00:15,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483988003] [2021-10-21 20:00:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:00:15,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:00:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:00:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-21 20:00:15,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:00:15,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483988003] [2021-10-21 20:00:15,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483988003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:00:15,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:00:15,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:00:15,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054600605] [2021-10-21 20:00:15,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:00:15,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:00:15,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:00:15,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:00:15,409 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:00:15,598 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2021-10-21 20:00:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:00:15,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-10-21 20:00:15,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:00:15,599 INFO L225 Difference]: With dead ends: 863 [2021-10-21 20:00:15,599 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:00:15,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:00:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:00:15,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:00:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:00:15,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-21 20:00:15,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:00:15,602 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:00:15,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:00:15,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:00:15,605 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:00:15,606 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:00:15,606 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:00:15,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:00:15,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:00:15,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:15,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:16,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:17,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:18,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:00:25,802 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,803 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-10-21 20:00:25,803 INFO L857 garLoopResultBuilder]: For program point L234-1(lines 234 251) no Hoare annotation was computed. [2021-10-21 20:00:25,803 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2021-10-21 20:00:25,803 INFO L857 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-10-21 20:00:25,803 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2021-10-21 20:00:25,804 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 950) no Hoare annotation was computed. [2021-10-21 20:00:25,804 INFO L857 garLoopResultBuilder]: For program point L930-4(lines 930 950) no Hoare annotation was computed. [2021-10-21 20:00:25,804 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,804 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,804 INFO L857 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,805 INFO L857 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,806 INFO L857 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,806 INFO L857 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,806 INFO L857 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,806 INFO L857 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-21 20:00:25,806 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L238-1(lines 238 246) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L833-3(lines 833 837) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L833-6(lines 833 837) no Hoare annotation was computed. [2021-10-21 20:00:25,807 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-10-21 20:00:25,808 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:00:25,808 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 176 182) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-21 20:00:25,809 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,809 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,809 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,809 INFO L857 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,809 INFO L857 garLoopResultBuilder]: For program point L208-3(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,810 INFO L857 garLoopResultBuilder]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,810 INFO L857 garLoopResultBuilder]: For program point L208-5(lines 208 225) no Hoare annotation was computed. [2021-10-21 20:00:25,810 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 (= ~pumpRunning~0 0) .cse4 .cse5 (<= ~waterLevel~0 1) .cse6 .cse7))) [2021-10-21 20:00:25,810 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 897 905) the Hoare annotation is: false [2021-10-21 20:00:25,811 INFO L853 garLoopResultBuilder]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2021-10-21 20:00:25,811 INFO L853 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse1 .cse8 .cse7 .cse4) (and .cse1 .cse8 .cse4 .cse5))) [2021-10-21 20:00:25,811 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-21 20:00:25,811 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-10-21 20:00:25,812 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2021-10-21 20:00:25,812 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-10-21 20:00:25,812 INFO L853 garLoopResultBuilder]: At program point L936-1(lines 1 953) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse11 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse12 .cse4 .cse5 (<= ~waterLevel~0 1) .cse8 .cse9 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse13 .cse8 .cse14 .cse10 .cse15 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse16 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse8 .cse14 .cse16 .cse15 .cse11) (and .cse1 .cse12 .cse13 .cse8 .cse14 .cse15) (and .cse1 .cse12 .cse5 .cse8 (= ~waterLevel~0 1)))) [2021-10-21 20:00:25,812 INFO L853 garLoopResultBuilder]: At program point L870(lines 865 873) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5))) [2021-10-21 20:00:25,813 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 949) no Hoare annotation was computed. [2021-10-21 20:00:25,813 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 865 873) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse13 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse4 .cse10 .cse14 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse10 .cse12))) [2021-10-21 20:00:25,813 INFO L853 garLoopResultBuilder]: At program point L936-3(lines 1 953) the Hoare annotation is: false [2021-10-21 20:00:25,813 INFO L853 garLoopResultBuilder]: At program point L870-2(lines 865 873) the Hoare annotation is: false [2021-10-21 20:00:25,813 INFO L857 garLoopResultBuilder]: For program point L936-4(lines 936 949) no Hoare annotation was computed. [2021-10-21 20:00:25,814 INFO L853 garLoopResultBuilder]: At program point L870-3(lines 865 873) the Hoare annotation is: false [2021-10-21 20:00:25,814 INFO L853 garLoopResultBuilder]: At program point L936-5(lines 1 953) the Hoare annotation is: false [2021-10-21 20:00:25,814 INFO L853 garLoopResultBuilder]: At program point L870-4(lines 865 873) the Hoare annotation is: false [2021-10-21 20:00:25,814 INFO L853 garLoopResultBuilder]: At program point L870-5(lines 865 873) the Hoare annotation is: false [2021-10-21 20:00:25,814 INFO L853 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: false [2021-10-21 20:00:25,815 INFO L853 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse0 (not .cse14)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse12 .cse7 .cse13 .cse14) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse4 .cse12 .cse7 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse13 .cse8)))) [2021-10-21 20:00:25,815 INFO L853 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-21 20:00:25,815 INFO L853 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-21 20:00:25,815 INFO L853 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-21 20:00:25,816 INFO L853 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-21 20:00:25,816 INFO L853 garLoopResultBuilder]: At program point L278(lines 271 281) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse5))) [2021-10-21 20:00:25,816 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 271 281) the Hoare annotation is: false [2021-10-21 20:00:25,816 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,816 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 271 281) the Hoare annotation is: false [2021-10-21 20:00:25,817 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,817 INFO L857 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,817 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-21 20:00:25,817 INFO L857 garLoopResultBuilder]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,817 INFO L853 garLoopResultBuilder]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse11 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse7 .cse8 .cse15 .cse13) (and .cse7 .cse8 .cse16 .cse4 .cse13))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse13) (and .cse8 .cse14 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse14 .cse10 .cse4 .cse15) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse8 .cse14 .cse9 .cse10 .cse4 .cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse8 .cse14 .cse10 .cse16 .cse4) (and .cse0 .cse1 .cse9 .cse10 .cse2 .cse4 .cse12)))) [2021-10-21 20:00:25,818 INFO L857 garLoopResultBuilder]: For program point L212-4(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,818 INFO L857 garLoopResultBuilder]: For program point L212-5(lines 212 220) no Hoare annotation was computed. [2021-10-21 20:00:25,818 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: false [2021-10-21 20:00:25,818 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-10-21 20:00:25,818 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-10-21 20:00:25,818 INFO L857 garLoopResultBuilder]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2021-10-21 20:00:25,819 INFO L857 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-10-21 20:00:25,819 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:00:25,819 INFO L853 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse7 .cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse11 .cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse9) (and .cse1 .cse12 .cse4 (<= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse7 .cse11))) [2021-10-21 20:00:25,819 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-10-21 20:00:25,820 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2021-10-21 20:00:25,820 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,820 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,820 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,820 INFO L857 garLoopResultBuilder]: For program point L910-3(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,820 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,821 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-21 20:00:25,821 INFO L857 garLoopResultBuilder]: For program point L910-5(lines 910 916) no Hoare annotation was computed. [2021-10-21 20:00:25,821 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 176 182) no Hoare annotation was computed. [2021-10-21 20:00:25,821 INFO L853 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-10-21 20:00:25,821 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-21 20:00:25,821 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2021-10-21 20:00:25,822 INFO L860 garLoopResultBuilder]: At program point L812-1(lines 812 819) the Hoare annotation is: true [2021-10-21 20:00:25,822 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:00:25,822 INFO L853 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9))) [2021-10-21 20:00:25,822 INFO L853 garLoopResultBuilder]: At program point L287-1(lines 282 290) the Hoare annotation is: false [2021-10-21 20:00:25,822 INFO L853 garLoopResultBuilder]: At program point L287-2(lines 282 290) the Hoare annotation is: false [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915(lines 906 919) the Hoare annotation is: false [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915-1(lines 906 919) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse6 .cse8 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4)))) [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915-2(lines 906 919) the Hoare annotation is: false [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915-3(lines 906 919) the Hoare annotation is: false [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915-4(lines 906 919) the Hoare annotation is: false [2021-10-21 20:00:25,823 INFO L853 garLoopResultBuilder]: At program point L915-5(lines 906 919) the Hoare annotation is: false [2021-10-21 20:00:25,824 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-10-21 20:00:25,824 INFO L853 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-21 20:00:25,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:00:25,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:00:25,824 INFO L860 garLoopResultBuilder]: At program point L821(lines 802 824) the Hoare annotation is: true [2021-10-21 20:00:25,825 INFO L853 garLoopResultBuilder]: At program point L789(lines 785 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:00:25,825 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-21 20:00:25,825 INFO L857 garLoopResultBuilder]: For program point L725(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,825 INFO L857 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,825 INFO L857 garLoopResultBuilder]: For program point L725-2(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,826 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:00:25,826 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-21 20:00:25,826 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-10-21 20:00:25,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:00:25,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:00:25 BoogieIcfgContainer [2021-10-21 20:00:25,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:00:25,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:00:25,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:00:25,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:00:25,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:10" (3/4) ... [2021-10-21 20:00:25,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:00:25,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:00:25,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:00:25,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:00:25,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:00:25,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:00:25,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:00:25,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:00:25,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-21 20:00:25,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) [2021-10-21 20:00:25,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:00:25,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:00:25,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:00:25,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:00:25,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 20:00:25,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) [2021-10-21 20:00:25,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) [2021-10-21 20:00:25,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:00:25,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) [2021-10-21 20:00:25,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) [2021-10-21 20:00:25,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) [2021-10-21 20:00:26,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:00:26,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:00:26,004 INFO L168 Benchmark]: Toolchain (without parser) took 18163.12 ms. Allocated memory was 102.8 MB in the beginning and 251.7 MB in the end (delta: 148.9 MB). Free memory was 69.1 MB in the beginning and 177.1 MB in the end (delta: -108.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,004 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:26,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.39 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 70.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.86 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 66.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,006 INFO L168 Benchmark]: Boogie Preprocessor took 109.61 ms. Allocated memory is still 102.8 MB. Free memory was 66.5 MB in the beginning and 64.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,006 INFO L168 Benchmark]: RCFGBuilder took 1613.58 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 64.0 MB in the beginning and 77.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,007 INFO L168 Benchmark]: TraceAbstraction took 15384.96 ms. Allocated memory was 130.0 MB in the beginning and 251.7 MB in the end (delta: 121.6 MB). Free memory was 76.8 MB in the beginning and 186.6 MB in the end (delta: -109.7 MB). Peak memory consumption was 126.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,007 INFO L168 Benchmark]: Witness Printer took 133.86 ms. Allocated memory is still 251.7 MB. Free memory was 186.6 MB in the beginning and 177.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:26,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 794.39 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 70.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.86 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 66.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.61 ms. Allocated memory is still 102.8 MB. Free memory was 66.5 MB in the beginning and 64.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1613.58 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 64.0 MB in the beginning and 77.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15384.96 ms. Allocated memory was 130.0 MB in the beginning and 251.7 MB in the end (delta: 121.6 MB). Free memory was 76.8 MB in the beginning and 186.6 MB in the end (delta: -109.7 MB). Peak memory consumption was 126.0 MB. Max. memory is 16.1 GB. * Witness Printer took 133.86 ms. Allocated memory is still 251.7 MB. Free memory was 186.6 MB in the beginning and 177.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15253.0ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 45.4ms, AutomataDifference: 1838.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10195.1ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1525 SDtfs, 2009 SDslu, 2416 SDs, 0 SdLazy, 371 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 644.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 349.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 355.9ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1699 HoareAnnotationTreeSize, 46 FomulaSimplifications, 4376041 FormulaSimplificationTreeSizeReduction, 3177.0ms HoareSimplificationTime, 46 FomulaSimplificationsInter, 1399915 FormulaSimplificationTreeSizeReductionInter, 6994.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 114.5ms SsaConstructionTime, 561.6ms SatisfiabilityAnalysisTime, 1459.4ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-21 20:00:26,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e89cae6-ef91-4853-8695-84be8bb88eb8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...