./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt --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 1934598361bf90cf9fb238c58075a62a8c7d160a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:20:46,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:20:46,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:20:46,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:20:46,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:20:46,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:20:46,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:20:46,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:20:46,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:20:46,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:20:46,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:20:46,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:20:46,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:20:46,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:20:46,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:20:46,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:20:46,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:20:46,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:20:46,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:20:46,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:20:46,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:20:46,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:20:46,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:20:46,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:20:46,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:20:46,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:20:46,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:20:46,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:20:46,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:20:46,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:20:46,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:20:46,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:20:46,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:20:46,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:20:46,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:20:46,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:20:46,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:20:46,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:20:46,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:20:46,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:20:46,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:20:46,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:20:46,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:20:46,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:20:46,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:20:46,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:20:46,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:20:46,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:20:46,425 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:20:46,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:20:46,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:20:46,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:20:46,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:20:46,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:20:46,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:20:46,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:20:46,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:20:46,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:20:46,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:20:46,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:20:46,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:20:46,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:20:46,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:20:46,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:20:46,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:20:46,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:20:46,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:20:46,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:20:46,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:20:46,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:20:46,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:20:46,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:20:46,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1934598361bf90cf9fb238c58075a62a8c7d160a [2021-10-13 00:20:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:20:46,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:20:46,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:20:46,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:20:46,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:20:46,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 00:20:46,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/data/73681ae5a/11cb99057f884a4f90ddd5709cd129e9/FLAG8a48dfa29 [2021-10-13 00:20:47,321 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:20:47,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 00:20:47,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/data/73681ae5a/11cb99057f884a4f90ddd5709cd129e9/FLAG8a48dfa29 [2021-10-13 00:20:47,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/data/73681ae5a/11cb99057f884a4f90ddd5709cd129e9 [2021-10-13 00:20:47,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:20:47,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:20:47,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:20:47,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:20:47,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:20:47,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:20:47" (1/1) ... [2021-10-13 00:20:47,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7458aaf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:47, skipping insertion in model container [2021-10-13 00:20:47,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:20:47" (1/1) ... [2021-10-13 00:20:47,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:20:47,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:20:48,091 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_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 00:20:48,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:20:48,142 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:20:48,258 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_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 00:20:48,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:20:48,288 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:20:48,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48 WrapperNode [2021-10-13 00:20:48,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:20:48,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:20:48,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:20:48,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:20:48,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:20:48,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:20:48,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:20:48,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:20:48,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:20:48,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:20:48,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:20:48,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:20:48,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (1/1) ... [2021-10-13 00:20:48,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:20:48,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:20:48,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:20:48,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:20:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:20:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:20:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:20:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:20:49,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:20:49,686 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-10-13 00:20:49,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:49 BoogieIcfgContainer [2021-10-13 00:20:49,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:20:49,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:20:49,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:20:49,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:20:49,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:20:47" (1/3) ... [2021-10-13 00:20:49,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a156f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:20:49, skipping insertion in model container [2021-10-13 00:20:49,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:20:48" (2/3) ... [2021-10-13 00:20:49,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a156f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:20:49, skipping insertion in model container [2021-10-13 00:20:49,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:49" (3/3) ... [2021-10-13 00:20:49,704 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-10-13 00:20:49,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:20:49,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:20:49,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:20:49,815 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:20:49,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:20:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 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) [2021-10-13 00:20:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:20:49,849 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:49,850 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:49,851 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:49,860 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-10-13 00:20:49,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:49,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166636179] [2021-10-13 00:20:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:49,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:50,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:50,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166636179] [2021-10-13 00:20:50,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166636179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:50,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:50,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:20:50,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209068610] [2021-10-13 00:20:50,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:20:50,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:50,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:20:50,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:20:50,241 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 00:20:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:50,284 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-13 00:20:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:20:50,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-13 00:20:50,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:50,302 INFO L225 Difference]: With dead ends: 372 [2021-10-13 00:20:50,302 INFO L226 Difference]: Without dead ends: 185 [2021-10-13 00:20:50,307 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 [2021-10-13 00:20:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-13 00:20:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-13 00:20:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 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) [2021-10-13 00:20:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-13 00:20:50,384 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-13 00:20:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:50,385 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-13 00:20:50,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-13 00:20:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-13 00:20:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:20:50,386 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,387 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:50,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:20:50,387 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,388 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-10-13 00:20:50,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831589737] [2021-10-13 00:20:50,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:50,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:50,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831589737] [2021-10-13 00:20:50,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831589737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:50,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:50,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:20:50,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379400119] [2021-10-13 00:20:50,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:20:50,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:50,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:20:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,539 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-13 00:20:50,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:50,555 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-13 00:20:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:20:50,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-13 00:20:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:50,558 INFO L225 Difference]: With dead ends: 185 [2021-10-13 00:20:50,558 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 00:20:50,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 00:20:50,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 00:20:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:20:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-13 00:20:50,567 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-13 00:20:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:50,568 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-13 00:20:50,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-13 00:20:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-13 00:20:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:20:50,569 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,570 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] [2021-10-13 00:20:50,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:20:50,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,571 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-10-13 00:20:50,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190054832] [2021-10-13 00:20:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:50,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:50,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190054832] [2021-10-13 00:20:50,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190054832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:50,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:50,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:20:50,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812238058] [2021-10-13 00:20:50,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:20:50,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:50,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:20:50,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,691 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-13 00:20:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:50,709 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-13 00:20:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:20:50,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2021-10-13 00:20:50,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:50,719 INFO L225 Difference]: With dead ends: 136 [2021-10-13 00:20:50,719 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 00:20:50,720 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 00:20:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 00:20:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 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) [2021-10-13 00:20:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-13 00:20:50,728 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-13 00:20:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:50,728 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-13 00:20:50,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-13 00:20:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-13 00:20:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:20:50,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,730 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] [2021-10-13 00:20:50,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:20:50,731 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,732 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-10-13 00:20:50,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680942884] [2021-10-13 00:20:50,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:50,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:50,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680942884] [2021-10-13 00:20:50,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680942884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:50,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:50,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:20:50,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006218865] [2021-10-13 00:20:50,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:20:50,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:50,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:20:50,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,830 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-10-13 00:20:50,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:50,899 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-13 00:20:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:20:50,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-10-13 00:20:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:50,901 INFO L225 Difference]: With dead ends: 145 [2021-10-13 00:20:50,902 INFO L226 Difference]: Without dead ends: 80 [2021-10-13 00:20:50,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:20:50,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-13 00:20:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-13 00:20:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 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) [2021-10-13 00:20:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-13 00:20:50,919 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-13 00:20:50,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:50,920 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-13 00:20:50,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-10-13 00:20:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-13 00:20:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:20:50,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:50,923 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] [2021-10-13 00:20:50,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:20:50,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:50,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-10-13 00:20:50,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:50,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378911799] [2021-10-13 00:20:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:50,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378911799] [2021-10-13 00:20:51,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378911799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:51,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671754079] [2021-10-13 00:20:51,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:20:51,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:20:51,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:51,022 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-13 00:20:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,141 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-13 00:20:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:20:51,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-10-13 00:20:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,146 INFO L225 Difference]: With dead ends: 204 [2021-10-13 00:20:51,146 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 00:20:51,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:20:51,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 00:20:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-13 00:20:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:20:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-13 00:20:51,163 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-13 00:20:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,164 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-13 00:20:51,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-13 00:20:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-13 00:20:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:20:51,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,166 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] [2021-10-13 00:20:51,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:20:51,167 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-10-13 00:20:51,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869889951] [2021-10-13 00:20:51,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869889951] [2021-10-13 00:20:51,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869889951] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:51,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496278342] [2021-10-13 00:20:51,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:20:51,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:20:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:20:51,309 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-13 00:20:51,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,553 INFO L93 Difference]: Finished difference Result 599 states and 838 transitions. [2021-10-13 00:20:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:20:51,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-10-13 00:20:51,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,559 INFO L225 Difference]: With dead ends: 599 [2021-10-13 00:20:51,560 INFO L226 Difference]: Without dead ends: 518 [2021-10-13 00:20:51,568 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 69.8ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:20:51,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-10-13 00:20:51,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 160. [2021-10-13 00:20:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.3773584905660377) internal successors, (219), 159 states have internal predecessors, (219), 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) [2021-10-13 00:20:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2021-10-13 00:20:51,614 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 219 transitions. Word has length 31 [2021-10-13 00:20:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,614 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-10-13 00:20:51,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-13 00:20:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2021-10-13 00:20:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:20:51,623 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,623 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] [2021-10-13 00:20:51,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:20:51,623 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,624 INFO L82 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2021-10-13 00:20:51,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862781267] [2021-10-13 00:20:51,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:51,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862781267] [2021-10-13 00:20:51,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862781267] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:20:51,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445353339] [2021-10-13 00:20:51,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:20:51,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:20:51,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:20:51,729 INFO L87 Difference]: Start difference. First operand 160 states and 219 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-13 00:20:51,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:51,853 INFO L93 Difference]: Finished difference Result 365 states and 505 transitions. [2021-10-13 00:20:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:20:51,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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 [2021-10-13 00:20:51,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:51,858 INFO L225 Difference]: With dead ends: 365 [2021-10-13 00:20:51,858 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 00:20:51,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:20:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 00:20:51,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 190. [2021-10-13 00:20:51,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3333333333333333) internal successors, (252), 189 states have internal predecessors, (252), 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) [2021-10-13 00:20:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2021-10-13 00:20:51,881 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 32 [2021-10-13 00:20:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:51,882 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2021-10-13 00:20:51,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-10-13 00:20:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2021-10-13 00:20:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 00:20:51,887 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:51,888 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] [2021-10-13 00:20:51,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:20:51,888 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:51,889 INFO L82 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-10-13 00:20:51,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:51,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176061411] [2021-10-13 00:20:51,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:51,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:20:51,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:51,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176061411] [2021-10-13 00:20:51,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176061411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:51,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:51,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:51,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874500984] [2021-10-13 00:20:51,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:20:51,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:51,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:20:51,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:51,985 INFO L87 Difference]: Start difference. First operand 190 states and 252 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-10-13 00:20:52,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:52,088 INFO L93 Difference]: Finished difference Result 416 states and 551 transitions. [2021-10-13 00:20:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:20:52,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 49 [2021-10-13 00:20:52,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:52,091 INFO L225 Difference]: With dead ends: 416 [2021-10-13 00:20:52,092 INFO L226 Difference]: Without dead ends: 232 [2021-10-13 00:20:52,092 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 31.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:20:52,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-13 00:20:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2021-10-13 00:20:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.3024691358024691) internal successors, (211), 162 states have internal predecessors, (211), 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) [2021-10-13 00:20:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 211 transitions. [2021-10-13 00:20:52,109 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 211 transitions. Word has length 49 [2021-10-13 00:20:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:52,110 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 211 transitions. [2021-10-13 00:20:52,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-10-13 00:20:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2021-10-13 00:20:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 00:20:52,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:52,112 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] [2021-10-13 00:20:52,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:20:52,113 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:52,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:52,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-10-13 00:20:52,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:52,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151285975] [2021-10-13 00:20:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:52,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:20:52,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:52,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151285975] [2021-10-13 00:20:52,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151285975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:52,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:52,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:52,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164488741] [2021-10-13 00:20:52,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:20:52,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:52,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:20:52,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:20:52,251 INFO L87 Difference]: Start difference. First operand 163 states and 211 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-10-13 00:20:52,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:52,381 INFO L93 Difference]: Finished difference Result 775 states and 1021 transitions. [2021-10-13 00:20:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:20:52,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 [2021-10-13 00:20:52,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:52,393 INFO L225 Difference]: With dead ends: 775 [2021-10-13 00:20:52,393 INFO L226 Difference]: Without dead ends: 618 [2021-10-13 00:20:52,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 50.9ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:20:52,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-10-13 00:20:52,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 318. [2021-10-13 00:20:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.2902208201892744) internal successors, (409), 317 states have internal predecessors, (409), 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) [2021-10-13 00:20:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 409 transitions. [2021-10-13 00:20:52,434 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 409 transitions. Word has length 50 [2021-10-13 00:20:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:52,436 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 409 transitions. [2021-10-13 00:20:52,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-10-13 00:20:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2021-10-13 00:20:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:20:52,437 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:52,437 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] [2021-10-13 00:20:52,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:20:52,438 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:52,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:52,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-10-13 00:20:52,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:52,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332530030] [2021-10-13 00:20:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:52,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:20:52,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:52,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332530030] [2021-10-13 00:20:52,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332530030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:52,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:52,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:52,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354179245] [2021-10-13 00:20:52,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:20:52,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:52,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:20:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:52,526 INFO L87 Difference]: Start difference. First operand 318 states and 409 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-10-13 00:20:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:52,735 INFO L93 Difference]: Finished difference Result 840 states and 1086 transitions. [2021-10-13 00:20:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:20:52,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 [2021-10-13 00:20:52,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:52,742 INFO L225 Difference]: With dead ends: 840 [2021-10-13 00:20:52,742 INFO L226 Difference]: Without dead ends: 838 [2021-10-13 00:20:52,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:20:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-13 00:20:52,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 318. [2021-10-13 00:20:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.2839116719242902) internal successors, (407), 317 states have internal predecessors, (407), 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) [2021-10-13 00:20:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 407 transitions. [2021-10-13 00:20:52,802 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 407 transitions. Word has length 51 [2021-10-13 00:20:52,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:52,802 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 407 transitions. [2021-10-13 00:20:52,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-10-13 00:20:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 407 transitions. [2021-10-13 00:20:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 00:20:52,804 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:52,805 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, 1, 1, 1, 1, 1, 1] [2021-10-13 00:20:52,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:20:52,806 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:52,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:52,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-10-13 00:20:52,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:52,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992809870] [2021-10-13 00:20:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:52,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:52,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:52,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992809870] [2021-10-13 00:20:52,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992809870] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:20:52,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236664621] [2021-10-13 00:20:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:52,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:20:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:20:52,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:20:52,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:20:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:53,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:20:53,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:20:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:20:53,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236664621] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:20:53,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:20:53,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-13 00:20:53,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753014431] [2021-10-13 00:20:53,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:20:53,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:53,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:20:53,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:20:53,429 INFO L87 Difference]: Start difference. First operand 318 states and 407 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:20:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:53,789 INFO L93 Difference]: Finished difference Result 1308 states and 1700 transitions. [2021-10-13 00:20:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 00:20:53,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-13 00:20:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:53,797 INFO L225 Difference]: With dead ends: 1308 [2021-10-13 00:20:53,798 INFO L226 Difference]: Without dead ends: 1046 [2021-10-13 00:20:53,799 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 88.7ms TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:20:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-13 00:20:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2021-10-13 00:20:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.2917594654788418) internal successors, (580), 449 states have internal predecessors, (580), 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) [2021-10-13 00:20:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2021-10-13 00:20:53,871 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2021-10-13 00:20:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:53,873 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2021-10-13 00:20:53,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:20:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2021-10-13 00:20:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 00:20:53,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:53,875 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-10-13 00:20:53,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:20:54,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-13 00:20:54,095 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:54,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1837292485, now seen corresponding path program 2 times [2021-10-13 00:20:54,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:54,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882449882] [2021-10-13 00:20:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:54,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:20:54,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:54,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882449882] [2021-10-13 00:20:54,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882449882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:54,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:54,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:54,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010660815] [2021-10-13 00:20:54,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:20:54,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:54,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:20:54,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:54,253 INFO L87 Difference]: Start difference. First operand 450 states and 580 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-10-13 00:20:54,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:54,684 INFO L93 Difference]: Finished difference Result 1376 states and 1792 transitions. [2021-10-13 00:20:54,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:20:54,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 82 [2021-10-13 00:20:54,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:54,691 INFO L225 Difference]: With dead ends: 1376 [2021-10-13 00:20:54,692 INFO L226 Difference]: Without dead ends: 980 [2021-10-13 00:20:54,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 116.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:20:54,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-10-13 00:20:54,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 626. [2021-10-13 00:20:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.2784) internal successors, (799), 625 states have internal predecessors, (799), 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) [2021-10-13 00:20:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2021-10-13 00:20:54,785 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2021-10-13 00:20:54,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:54,786 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2021-10-13 00:20:54,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-10-13 00:20:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2021-10-13 00:20:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 00:20:54,788 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:20:54,788 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2021-10-13 00:20:54,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:20:54,789 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:20:54,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:20:54,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-10-13 00:20:54,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:20:54,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530259123] [2021-10-13 00:20:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:20:54,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:20:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:20:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:20:54,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:20:54,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530259123] [2021-10-13 00:20:54,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530259123] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:20:54,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:20:54,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:20:54,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530151379] [2021-10-13 00:20:54,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:20:54,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:20:54,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:20:54,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:20:54,858 INFO L87 Difference]: Start difference. First operand 626 states and 799 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-13 00:20:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:20:54,959 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2021-10-13 00:20:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:20:54,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 82 [2021-10-13 00:20:54,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:20:54,960 INFO L225 Difference]: With dead ends: 1134 [2021-10-13 00:20:54,960 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:20:54,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:20:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:20:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:20:54,962 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) [2021-10-13 00:20:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:20:54,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-13 00:20:54,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:20:54,963 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:20:54,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-13 00:20:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:20:54,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:20:54,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:54,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:54,968 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:20:54,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:20:54,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:20:54,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:54,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:54,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:54,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:54,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:55,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:56,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:20:57,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:21:02,734 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,735 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-10-13 00:21:02,735 INFO L853 garLoopResultBuilder]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-10-13 00:21:02,735 INFO L853 garLoopResultBuilder]: At program point L631(lines 626 634) the Hoare annotation is: false [2021-10-13 00:21:02,735 INFO L853 garLoopResultBuilder]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2021-10-13 00:21:02,736 INFO L853 garLoopResultBuilder]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L764-3(lines 764 768) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L764-6(lines 764 768) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L699-3(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L699-5(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L853 garLoopResultBuilder]: At program point L501(lines 501 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-13 00:21:02,736 INFO L857 garLoopResultBuilder]: For program point L699-6(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,736 INFO L853 garLoopResultBuilder]: At program point L468(lines 421 469) the Hoare annotation is: false [2021-10-13 00:21:02,737 INFO L853 garLoopResultBuilder]: At program point L501-1(lines 501 507) the Hoare annotation is: false [2021-10-13 00:21:02,737 INFO L857 garLoopResultBuilder]: For program point L699-8(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,737 INFO L853 garLoopResultBuilder]: At program point L501-2(lines 501 507) the Hoare annotation is: false [2021-10-13 00:21:02,738 INFO L857 garLoopResultBuilder]: For program point L699-9(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,738 INFO L857 garLoopResultBuilder]: For program point L699-11(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,738 INFO L857 garLoopResultBuilder]: For program point L699-12(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,738 INFO L857 garLoopResultBuilder]: For program point L699-14(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,739 INFO L857 garLoopResultBuilder]: For program point L699-15(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,739 INFO L857 garLoopResultBuilder]: For program point L699-17(lines 699 703) no Hoare annotation was computed. [2021-10-13 00:21:02,739 INFO L853 garLoopResultBuilder]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2021-10-13 00:21:02,739 INFO L857 garLoopResultBuilder]: For program point L899(line 899) no Hoare annotation was computed. [2021-10-13 00:21:02,741 INFO L853 garLoopResultBuilder]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-10-13 00:21:02,741 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2021-10-13 00:21:02,741 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2021-10-13 00:21:02,741 INFO L853 garLoopResultBuilder]: At program point L801(lines 796 804) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-13 00:21:02,741 INFO L853 garLoopResultBuilder]: At program point L801-1(lines 796 804) the Hoare annotation is: false [2021-10-13 00:21:02,742 INFO L853 garLoopResultBuilder]: At program point L735(lines 1 981) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:21:02,742 INFO L853 garLoopResultBuilder]: At program point L801-2(lines 796 804) the Hoare annotation is: false [2021-10-13 00:21:02,742 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,742 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 906) no Hoare annotation was computed. [2021-10-13 00:21:02,743 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 882) no Hoare annotation was computed. [2021-10-13 00:21:02,743 INFO L857 garLoopResultBuilder]: For program point L902-1(lines 494 500) no Hoare annotation was computed. [2021-10-13 00:21:02,743 INFO L853 garLoopResultBuilder]: At program point L869-1(lines 1 981) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-10-13 00:21:02,744 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 882) no Hoare annotation was computed. [2021-10-13 00:21:02,744 INFO L853 garLoopResultBuilder]: At program point L869-3(lines 1 981) the Hoare annotation is: false [2021-10-13 00:21:02,744 INFO L857 garLoopResultBuilder]: For program point L869-4(lines 869 882) no Hoare annotation was computed. [2021-10-13 00:21:02,744 INFO L853 garLoopResultBuilder]: At program point L869-5(lines 1 981) the Hoare annotation is: false [2021-10-13 00:21:02,746 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 976) no Hoare annotation was computed. [2021-10-13 00:21:02,746 INFO L860 garLoopResultBuilder]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2021-10-13 00:21:02,746 INFO L853 garLoopResultBuilder]: At program point L705(lines 690 708) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0)) [2021-10-13 00:21:02,746 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 690 708) the Hoare annotation is: false [2021-10-13 00:21:02,747 INFO L853 garLoopResultBuilder]: At program point L705-2(lines 690 708) the Hoare annotation is: false [2021-10-13 00:21:02,747 INFO L853 garLoopResultBuilder]: At program point L705-3(lines 690 708) the Hoare annotation is: false [2021-10-13 00:21:02,747 INFO L853 garLoopResultBuilder]: At program point L705-4(lines 690 708) the Hoare annotation is: false [2021-10-13 00:21:02,747 INFO L853 garLoopResultBuilder]: At program point L705-5(lines 690 708) the Hoare annotation is: false [2021-10-13 00:21:02,747 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 448) no Hoare annotation was computed. [2021-10-13 00:21:02,748 INFO L853 garLoopResultBuilder]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-13 00:21:02,748 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-10-13 00:21:02,748 INFO L857 garLoopResultBuilder]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2021-10-13 00:21:02,748 INFO L857 garLoopResultBuilder]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2021-10-13 00:21:02,748 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-3(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-5(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,749 INFO L857 garLoopResultBuilder]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L841-7(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L841-9(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L841-11(lines 841 847) no Hoare annotation was computed. [2021-10-13 00:21:02,750 INFO L857 garLoopResultBuilder]: For program point L776(lines 776 780) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L853 garLoopResultBuilder]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,751 INFO L857 garLoopResultBuilder]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,752 INFO L857 garLoopResultBuilder]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,752 INFO L857 garLoopResultBuilder]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point L680-9(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point L680-11(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point L680-12(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,753 INFO L857 garLoopResultBuilder]: For program point L680-14(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L857 garLoopResultBuilder]: For program point L680-15(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L857 garLoopResultBuilder]: For program point L680-17(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L857 garLoopResultBuilder]: For program point L680-18(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L857 garLoopResultBuilder]: For program point L680-20(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L857 garLoopResultBuilder]: For program point L680-21(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,754 INFO L860 garLoopResultBuilder]: At program point L978(lines 959 981) the Hoare annotation is: true [2021-10-13 00:21:02,755 INFO L857 garLoopResultBuilder]: For program point L680-23(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,755 INFO L857 garLoopResultBuilder]: For program point L680-24(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,755 INFO L853 garLoopResultBuilder]: At program point L846(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,755 INFO L857 garLoopResultBuilder]: For program point L680-26(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,755 INFO L853 garLoopResultBuilder]: At program point L846-1(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-13 00:21:02,756 INFO L857 garLoopResultBuilder]: For program point L680-27(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,756 INFO L853 garLoopResultBuilder]: At program point L846-2(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,756 INFO L853 garLoopResultBuilder]: At program point L846-3(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-13 00:21:02,756 INFO L857 garLoopResultBuilder]: For program point L680-29(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,756 INFO L853 garLoopResultBuilder]: At program point L846-4(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,756 INFO L857 garLoopResultBuilder]: For program point L680-30(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,757 INFO L853 garLoopResultBuilder]: At program point L846-5(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,757 INFO L853 garLoopResultBuilder]: At program point L846-6(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,757 INFO L857 garLoopResultBuilder]: For program point L680-32(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,758 INFO L853 garLoopResultBuilder]: At program point L846-7(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,758 INFO L857 garLoopResultBuilder]: For program point L680-33(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,758 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2021-10-13 00:21:02,759 INFO L853 garLoopResultBuilder]: At program point L846-8(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,759 INFO L857 garLoopResultBuilder]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2021-10-13 00:21:02,759 INFO L853 garLoopResultBuilder]: At program point L846-9(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,759 INFO L857 garLoopResultBuilder]: For program point L680-35(lines 680 684) no Hoare annotation was computed. [2021-10-13 00:21:02,759 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2021-10-13 00:21:02,760 INFO L853 garLoopResultBuilder]: At program point L846-10(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,760 INFO L853 garLoopResultBuilder]: At program point L846-11(lines 837 850) the Hoare annotation is: false [2021-10-13 00:21:02,760 INFO L853 garLoopResultBuilder]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-13 00:21:02,760 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 463) no Hoare annotation was computed. [2021-10-13 00:21:02,760 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,760 INFO L857 garLoopResultBuilder]: For program point L552-1(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point L552-3(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point L552-5(lines 552 569) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:21:02,761 INFO L857 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,762 INFO L857 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,762 INFO L853 garLoopResultBuilder]: At program point L686(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,762 INFO L857 garLoopResultBuilder]: For program point L752-2(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,762 INFO L853 garLoopResultBuilder]: At program point L686-1(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (<= 1 ~waterLevel~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0))) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-13 00:21:02,762 INFO L853 garLoopResultBuilder]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,762 INFO L853 garLoopResultBuilder]: At program point L686-3(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (<= 1 ~waterLevel~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0))) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-13 00:21:02,763 INFO L853 garLoopResultBuilder]: At program point L686-4(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,763 INFO L853 garLoopResultBuilder]: At program point L686-5(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,763 INFO L853 garLoopResultBuilder]: At program point L686-6(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L853 garLoopResultBuilder]: At program point L686-7(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L853 garLoopResultBuilder]: At program point L686-8(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L853 garLoopResultBuilder]: At program point L686-9(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L853 garLoopResultBuilder]: At program point L686-10(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L853 garLoopResultBuilder]: At program point L686-11(lines 671 689) the Hoare annotation is: false [2021-10-13 00:21:02,764 INFO L857 garLoopResultBuilder]: For program point L423(lines 422 467) no Hoare annotation was computed. [2021-10-13 00:21:02,765 INFO L853 garLoopResultBuilder]: At program point L622(lines 615 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-13 00:21:02,765 INFO L853 garLoopResultBuilder]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2021-10-13 00:21:02,765 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,765 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2021-10-13 00:21:02,765 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,765 INFO L857 garLoopResultBuilder]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L556-3(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L556-4(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L556-5(lines 556 564) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 792) no Hoare annotation was computed. [2021-10-13 00:21:02,766 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-13 00:21:02,767 INFO L857 garLoopResultBuilder]: For program point L458-2(lines 494 500) no Hoare annotation was computed. [2021-10-13 00:21:02,767 INFO L853 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-13 00:21:02,767 INFO L853 garLoopResultBuilder]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2021-10-13 00:21:02,767 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2021-10-13 00:21:02,767 INFO L853 garLoopResultBuilder]: At program point L856-3(lines 851 859) the Hoare annotation is: false [2021-10-13 00:21:02,767 INFO L853 garLoopResultBuilder]: At program point L856-4(lines 851 859) the Hoare annotation is: false [2021-10-13 00:21:02,768 INFO L853 garLoopResultBuilder]: At program point L856-5(lines 851 859) the Hoare annotation is: false [2021-10-13 00:21:02,768 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,768 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,768 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,768 INFO L857 garLoopResultBuilder]: For program point L526-3(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,768 INFO L857 garLoopResultBuilder]: For program point L526-4(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-5(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-6(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-7(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-8(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-9(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,769 INFO L857 garLoopResultBuilder]: For program point L526-10(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,770 INFO L857 garLoopResultBuilder]: For program point L526-11(lines 526 543) no Hoare annotation was computed. [2021-10-13 00:21:02,770 INFO L853 garLoopResultBuilder]: At program point L494(lines 493 512) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-13 00:21:02,770 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 494 500) no Hoare annotation was computed. [2021-10-13 00:21:02,770 INFO L853 garLoopResultBuilder]: At program point L494-2(lines 493 512) the Hoare annotation is: false [2021-10-13 00:21:02,770 INFO L853 garLoopResultBuilder]: At program point L494-3(lines 493 512) the Hoare annotation is: false [2021-10-13 00:21:02,770 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,771 INFO L857 garLoopResultBuilder]: For program point L530-4(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-7(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-9(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-10(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,772 INFO L857 garLoopResultBuilder]: For program point L530-11(lines 530 538) no Hoare annotation was computed. [2021-10-13 00:21:02,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:21:02,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:21:02 BoogieIcfgContainer [2021-10-13 00:21:02,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:21:02,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:21:02,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:21:02,828 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:21:02,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:20:49" (3/4) ... [2021-10-13 00:21:02,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:21:02,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:21:02,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:21:02,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:21:02,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:21:02,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:21:02,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:21:02,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:21:02,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) [2021-10-13 00:21:02,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-10-13 00:21:02,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-10-13 00:21:02,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-10-13 00:21:02,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-13 00:21:02,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-10-13 00:21:02,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-13 00:21:02,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel [2021-10-13 00:21:02,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-13 00:21:03,019 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:21:03,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:21:03,021 INFO L168 Benchmark]: Toolchain (without parser) took 15367.11 ms. Allocated memory was 81.8 MB in the beginning and 232.8 MB in the end (delta: 151.0 MB). Free memory was 45.1 MB in the beginning and 141.9 MB in the end (delta: -96.8 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,022 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:21:03,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.11 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 66.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.63 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 62.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,024 INFO L168 Benchmark]: Boogie Preprocessor took 62.12 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 58.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,024 INFO L168 Benchmark]: RCFGBuilder took 1216.35 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 39.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,024 INFO L168 Benchmark]: TraceAbstraction took 13131.16 ms. Allocated memory was 98.6 MB in the beginning and 232.8 MB in the end (delta: 134.2 MB). Free memory was 39.0 MB in the beginning and 157.6 MB in the end (delta: -118.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,025 INFO L168 Benchmark]: Witness Printer took 192.43 ms. Allocated memory is still 232.8 MB. Free memory was 157.6 MB in the beginning and 141.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:03,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.11 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 66.8 MB in the end (delta: -22.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.63 ms. Allocated memory is still 98.6 MB. Free memory was 66.8 MB in the beginning and 62.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.12 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 58.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1216.35 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 39.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13131.16 ms. Allocated memory was 98.6 MB in the beginning and 232.8 MB in the end (delta: 134.2 MB). Free memory was 39.0 MB in the beginning and 157.6 MB in the end (delta: -118.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 16.1 GB. * Witness Printer took 192.43 ms. Allocated memory is still 232.8 MB. Free memory was 157.6 MB in the beginning and 141.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12976.1ms, OverallIterations: 13, TraceHistogramMax: 3, EmptinessCheckTime: 41.5ms, AutomataDifference: 2123.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7765.8ms, InitialAbstractionConstructionTime: 20.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1724 SDtfs, 3143 SDslu, 3059 SDs, 0 SdLazy, 481 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 717.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 449.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred in iteration=12, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 447.4ms AutomataMinimizationTime, 13 MinimizatonAttempts, 2265 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 238 NumberOfFragments, 491 HoareAnnotationTreeSize, 66 FomulaSimplifications, 2513350 FormulaSimplificationTreeSizeReduction, 2629.0ms HoareSimplificationTime, 66 FomulaSimplificationsInter, 146774 FormulaSimplificationTreeSizeReductionInter, 5113.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 103.5ms SsaConstructionTime, 547.9ms SatisfiabilityAnalysisTime, 1302.3ms InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 3 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 170/176 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: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && !(\result == 0)) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && !(tmp == 0)) || ((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((tmp == 0 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:21:03,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3a275-252a-40b3-8fc0-f7f2fa9b6fa2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...