./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC --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 1ee24648c2b11ab591f00afa125ad014515f38d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:12,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:12,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:12,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:12,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:12,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:12,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:12,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:12,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:12,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:12,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:12,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:12,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:12,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:12,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:12,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:12,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:12,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:12,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:12,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:12,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:12,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:12,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:12,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:12,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:12,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:12,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:12,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:12,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:12,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:12,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:12,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:12,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:12,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:12,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:12,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:12,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:12,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:12,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:12,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:12,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:12,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:12,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:12,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:12,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:12,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:12,368 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:12,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:12,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:12,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:12,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:12,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:12,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:12,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:12,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:12,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:12,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:12,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:12,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:12,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:12,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:12,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:12,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:12,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:12,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:12,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:12,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:12,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:12,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:12,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:12,376 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_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2021-10-11 00:33:12,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:12,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:12,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:12,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:12,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:12,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 00:33:12,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/data/fe6eb1616/d5477da41ed44750abf4271e0f30470c/FLAGc697ec2a9 [2021-10-11 00:33:13,401 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:13,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-11 00:33:13,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/data/fe6eb1616/d5477da41ed44750abf4271e0f30470c/FLAGc697ec2a9 [2021-10-11 00:33:13,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/data/fe6eb1616/d5477da41ed44750abf4271e0f30470c [2021-10-11 00:33:13,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:13,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:13,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:13,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:13,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:13,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:13" (1/1) ... [2021-10-11 00:33:13,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52383491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:13, skipping insertion in model container [2021-10-11 00:33:13,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:13" (1/1) ... [2021-10-11 00:33:13,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:13,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:14,218 WARN L226 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_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 00:33:14,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:14,252 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:14,376 WARN L226 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_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18035,18048] [2021-10-11 00:33:14,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:14,415 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:14,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14 WrapperNode [2021-10-11 00:33:14,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:14,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:14,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:14,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:14,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:14,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:14,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:14,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:14,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... [2021-10-11 00:33:14,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:14,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:14,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:14,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:14,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:15,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:15,884 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 00:33:15,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:15 BoogieIcfgContainer [2021-10-11 00:33:15,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:15,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:15,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:15,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:15,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:13" (1/3) ... [2021-10-11 00:33:15,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0853b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:15, skipping insertion in model container [2021-10-11 00:33:15,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:14" (2/3) ... [2021-10-11 00:33:15,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0853b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:15, skipping insertion in model container [2021-10-11 00:33:15,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:15" (3/3) ... [2021-10-11 00:33:15,903 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2021-10-11 00:33:15,916 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:15,921 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:33:15,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:33:15,968 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:15,969 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:15,969 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:15,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:15,969 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:15,969 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:15,969 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:15,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2021-10-11 00:33:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:33:15,995 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:15,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:15,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:16,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:16,002 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2021-10-11 00:33:16,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:16,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61879324] [2021-10-11 00:33:16,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:16,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61879324] [2021-10-11 00:33:16,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:16,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:16,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867249791] [2021-10-11 00:33:16,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:33:16,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:16,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:33:16,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:16,388 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2021-10-11 00:33:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:16,438 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-11 00:33:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:16,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:33:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:16,469 INFO L225 Difference]: With dead ends: 235 [2021-10-11 00:33:16,476 INFO L226 Difference]: Without dead ends: 117 [2021-10-11 00:33:16,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-11 00:33:16,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-11 00:33:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-10-11 00:33:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-11 00:33:16,546 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-11 00:33:16,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:16,547 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-11 00:33:16,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:33:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-11 00:33:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:33:16,552 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:16,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:16,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:16,553 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:16,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:16,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2021-10-11 00:33:16,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:16,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740168944] [2021-10-11 00:33:16,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:16,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740168944] [2021-10-11 00:33:16,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:16,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:16,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716951181] [2021-10-11 00:33:16,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:16,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:16,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:16,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:16,700 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2021-10-11 00:33:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:16,712 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-11 00:33:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:16,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:33:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:16,714 INFO L225 Difference]: With dead ends: 117 [2021-10-11 00:33:16,714 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:33:16,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:33:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:33:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:33:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 00:33:16,732 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 00:33:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:16,732 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 00:33:16,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 00:33:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:33:16,735 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:16,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:16,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:16,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:16,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:16,740 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2021-10-11 00:33:16,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:16,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410446610] [2021-10-11 00:33:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:16,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410446610] [2021-10-11 00:33:16,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:16,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:16,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398749291] [2021-10-11 00:33:16,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:16,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:16,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:16,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:16,862 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 00:33:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:16,871 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-11 00:33:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:16,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:33:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:16,873 INFO L225 Difference]: With dead ends: 91 [2021-10-11 00:33:16,873 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:33:16,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:16,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:33:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:33:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:33:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 00:33:16,884 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-11 00:33:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:16,884 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 00:33:16,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 00:33:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:33:16,885 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:16,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:16,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:16,886 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2021-10-11 00:33:16,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:16,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132677442] [2021-10-11 00:33:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:16,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132677442] [2021-10-11 00:33:16,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:16,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:16,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185775499] [2021-10-11 00:33:16,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:16,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:16,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:16,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:16,951 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 00:33:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:17,027 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 00:33:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:17,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:33:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:17,031 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:33:17,031 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:33:17,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:17,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:33:17,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-11 00:33:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:33:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-11 00:33:17,039 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-11 00:33:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:17,040 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-11 00:33:17,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-11 00:33:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:33:17,041 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:17,041 INFO L422 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] [2021-10-11 00:33:17,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:17,041 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:17,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,046 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2021-10-11 00:33:17,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685313542] [2021-10-11 00:33:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:17,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685313542] [2021-10-11 00:33:17,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:17,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:17,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732846397] [2021-10-11 00:33:17,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:17,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:17,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:17,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:17,114 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2021-10-11 00:33:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:17,237 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-11 00:33:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:33:17,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:33:17,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:17,241 INFO L225 Difference]: With dead ends: 182 [2021-10-11 00:33:17,241 INFO L226 Difference]: Without dead ends: 120 [2021-10-11 00:33:17,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:33:17,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-11 00:33:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-11 00:33:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 00:33:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-11 00:33:17,266 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-11 00:33:17,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:17,266 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-11 00:33:17,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-11 00:33:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:33:17,272 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:17,272 INFO L422 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] [2021-10-11 00:33:17,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:17,272 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:17,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,273 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2021-10-11 00:33:17,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012000250] [2021-10-11 00:33:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:17,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012000250] [2021-10-11 00:33:17,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:17,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:17,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611873530] [2021-10-11 00:33:17,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:17,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:17,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:17,402 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2021-10-11 00:33:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:17,506 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-11 00:33:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:33:17,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:33:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:17,510 INFO L225 Difference]: With dead ends: 387 [2021-10-11 00:33:17,510 INFO L226 Difference]: Without dead ends: 319 [2021-10-11 00:33:17,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-11 00:33:17,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-11 00:33:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 00:33:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-11 00:33:17,546 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-11 00:33:17,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:17,551 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-11 00:33:17,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-11 00:33:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:17,554 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:17,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:17,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:33:17,554 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,555 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2021-10-11 00:33:17,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328915379] [2021-10-11 00:33:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:17,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328915379] [2021-10-11 00:33:17,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:17,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:17,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030453613] [2021-10-11 00:33:17,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:17,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:17,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:17,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:17,663 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2021-10-11 00:33:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:17,831 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-11 00:33:17,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:17,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:17,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:17,835 INFO L225 Difference]: With dead ends: 506 [2021-10-11 00:33:17,835 INFO L226 Difference]: Without dead ends: 378 [2021-10-11 00:33:17,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-11 00:33:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-11 00:33:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-10-11 00:33:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-11 00:33:17,872 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-11 00:33:17,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:17,872 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-11 00:33:17,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-11 00:33:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:17,873 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:17,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:17,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:33:17,874 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,874 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2021-10-11 00:33:17,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634107068] [2021-10-11 00:33:17,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:17,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634107068] [2021-10-11 00:33:17,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:17,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:17,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732614656] [2021-10-11 00:33:17,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:17,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:17,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:17,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:17,993 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2021-10-11 00:33:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:18,099 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-11 00:33:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:33:18,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:18,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:18,106 INFO L225 Difference]: With dead ends: 357 [2021-10-11 00:33:18,106 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 00:33:18,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:33:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 00:33:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-11 00:33:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-10-11 00:33:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-11 00:33:18,139 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-11 00:33:18,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:18,140 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-11 00:33:18,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-11 00:33:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:18,142 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:18,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:18,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:33:18,143 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:18,144 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2021-10-11 00:33:18,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:18,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312211443] [2021-10-11 00:33:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:18,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312211443] [2021-10-11 00:33:18,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:18,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:18,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532945323] [2021-10-11 00:33:18,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:18,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:18,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:18,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:18,231 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2021-10-11 00:33:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:18,276 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-11 00:33:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:18,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:33:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:18,279 INFO L225 Difference]: With dead ends: 327 [2021-10-11 00:33:18,279 INFO L226 Difference]: Without dead ends: 192 [2021-10-11 00:33:18,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:18,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-11 00:33:18,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-11 00:33:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-10-11 00:33:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-11 00:33:18,303 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-11 00:33:18,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:18,303 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-11 00:33:18,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-11 00:33:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:33:18,304 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:18,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:18,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:33:18,305 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:18,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2021-10-11 00:33:18,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:18,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097825688] [2021-10-11 00:33:18,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:18,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097825688] [2021-10-11 00:33:18,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:18,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:18,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803835901] [2021-10-11 00:33:18,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:18,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:18,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:18,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:18,365 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2021-10-11 00:33:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:18,413 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-11 00:33:18,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:18,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:33:18,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:18,421 INFO L225 Difference]: With dead ends: 295 [2021-10-11 00:33:18,421 INFO L226 Difference]: Without dead ends: 293 [2021-10-11 00:33:18,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-11 00:33:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-11 00:33:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-10-11 00:33:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-11 00:33:18,442 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-11 00:33:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:18,442 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-11 00:33:18,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-11 00:33:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:33:18,444 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:18,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:33:18,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:33:18,444 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:18,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2021-10-11 00:33:18,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:18,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098172828] [2021-10-11 00:33:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:18,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098172828] [2021-10-11 00:33:18,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530006864] [2021-10-11 00:33:18,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:18,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:18,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:18,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-11 00:33:18,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391865719] [2021-10-11 00:33:18,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:18,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:18,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:18,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:18,824 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2021-10-11 00:33:18,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:18,902 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-11 00:33:18,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:18,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 00:33:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:18,905 INFO L225 Difference]: With dead ends: 374 [2021-10-11 00:33:18,905 INFO L226 Difference]: Without dead ends: 197 [2021-10-11 00:33:18,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-11 00:33:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-11 00:33:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 00:33:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-11 00:33:18,925 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-11 00:33:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:18,925 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-11 00:33:18,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-11 00:33:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:33:18,927 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:18,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:19,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-11 00:33:19,150 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:19,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2021-10-11 00:33:19,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:19,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298355689] [2021-10-11 00:33:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:33:19,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298355689] [2021-10-11 00:33:19,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300492405] [2021-10-11 00:33:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:19,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:33:19,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:33:19,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:19,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-10-11 00:33:19,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199509772] [2021-10-11 00:33:19,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:19,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:19,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:19,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:19,548 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2021-10-11 00:33:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:19,645 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2021-10-11 00:33:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:33:19,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 00:33:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:19,648 INFO L225 Difference]: With dead ends: 494 [2021-10-11 00:33:19,648 INFO L226 Difference]: Without dead ends: 354 [2021-10-11 00:33:19,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:33:19,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-11 00:33:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2021-10-11 00:33:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 00:33:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-11 00:33:19,678 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-11 00:33:19,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:19,679 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-11 00:33:19,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-11 00:33:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:33:19,680 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:19,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:19,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-11 00:33:19,901 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:19,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2021-10-11 00:33:19,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:19,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351514575] [2021-10-11 00:33:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:20,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351514575] [2021-10-11 00:33:20,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:20,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:33:20,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016871654] [2021-10-11 00:33:20,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:33:20,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:20,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:33:20,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:33:20,081 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2021-10-11 00:33:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:20,244 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-11 00:33:20,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:33:20,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-10-11 00:33:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:20,247 INFO L225 Difference]: With dead ends: 485 [2021-10-11 00:33:20,247 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:20,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:20,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:20,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 00:33:20,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:20,250 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:20,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:33:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:20,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:20,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:33:20,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:20,435 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-10-11 00:33:20,745 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-10-11 00:33:20,962 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-10-11 00:33:21,146 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2021-10-11 00:33:21,451 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2021-10-11 00:33:21,662 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2021-10-11 00:33:21,881 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2021-10-11 00:33:22,189 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2021-10-11 00:33:22,353 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2021-10-11 00:33:22,554 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-10-11 00:33:22,903 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2021-10-11 00:33:23,106 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2021-10-11 00:33:23,490 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2021-10-11 00:33:23,498 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,498 INFO L262 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,499 INFO L262 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2021-10-11 00:33:23,500 INFO L262 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2021-10-11 00:33:23,501 INFO L262 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2021-10-11 00:33:23,501 INFO L262 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,501 INFO L262 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,501 INFO L262 CegarLoopResult]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,501 INFO L262 CegarLoopResult]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,502 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:33:23,502 INFO L262 CegarLoopResult]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,502 INFO L262 CegarLoopResult]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:33:23,502 INFO L262 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2021-10-11 00:33:23,502 INFO L262 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,502 INFO L262 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,503 INFO L262 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,504 INFO L262 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2021-10-11 00:33:23,504 INFO L258 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:33:23,504 INFO L262 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2021-10-11 00:33:23,504 INFO L258 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2021-10-11 00:33:23,504 INFO L258 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2021-10-11 00:33:23,505 INFO L258 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:33:23,505 INFO L258 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2021-10-11 00:33:23,505 INFO L258 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse3 .cse5 .cse6 .cse8))) [2021-10-11 00:33:23,505 INFO L258 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2021-10-11 00:33:23,506 INFO L258 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2021-10-11 00:33:23,506 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,506 INFO L258 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2021-10-11 00:33:23,506 INFO L258 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2021-10-11 00:33:23,506 INFO L258 CegarLoopResult]: At program point L242(lines 233 246) the Hoare annotation is: false [2021-10-11 00:33:23,507 INFO L258 CegarLoopResult]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse5 .cse0 .cse2 .cse3 .cse6 .cse4))) [2021-10-11 00:33:23,507 INFO L258 CegarLoopResult]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2021-10-11 00:33:23,507 INFO L258 CegarLoopResult]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2021-10-11 00:33:23,507 INFO L265 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-10-11 00:33:23,507 INFO L258 CegarLoopResult]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2021-10-11 00:33:23,507 INFO L258 CegarLoopResult]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2021-10-11 00:33:23,507 INFO L262 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L309(lines 308 353) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L276(lines 276 293) no Hoare annotation was computed. [2021-10-11 00:33:23,508 INFO L262 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,509 INFO L258 CegarLoopResult]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:33:23,509 INFO L262 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2021-10-11 00:33:23,509 INFO L262 CegarLoopResult]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2021-10-11 00:33:23,509 INFO L258 CegarLoopResult]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2021-10-11 00:33:23,509 INFO L262 CegarLoopResult]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2021-10-11 00:33:23,509 INFO L258 CegarLoopResult]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2021-10-11 00:33:23,509 INFO L262 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:33:23,510 INFO L262 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-10-11 00:33:23,510 INFO L262 CegarLoopResult]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2021-10-11 00:33:23,510 INFO L258 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse6 .cse5) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6))) [2021-10-11 00:33:23,510 INFO L258 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2021-10-11 00:33:23,510 INFO L258 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L280(lines 280 290) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-10-11 00:33:23,511 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:23,512 INFO L258 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2))) [2021-10-11 00:33:23,512 INFO L258 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2021-10-11 00:33:23,512 INFO L258 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2021-10-11 00:33:23,512 INFO L262 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-10-11 00:33:23,512 INFO L258 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:33:23,513 INFO L258 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:33:23,513 INFO L258 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2021-10-11 00:33:23,513 INFO L258 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2021-10-11 00:33:23,513 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:33:23,513 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:33:23,513 INFO L262 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2021-10-11 00:33:23,514 INFO L258 CegarLoopResult]: At program point L354(lines 307 355) the Hoare annotation is: false [2021-10-11 00:33:23,514 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point L160(lines 160 164) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:23,515 INFO L262 CegarLoopResult]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2021-10-11 00:33:23,516 INFO L258 CegarLoopResult]: At program point L557(lines 542 560) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0)) [2021-10-11 00:33:23,516 INFO L258 CegarLoopResult]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2021-10-11 00:33:23,516 INFO L258 CegarLoopResult]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2021-10-11 00:33:23,516 INFO L262 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2021-10-11 00:33:23,516 INFO L258 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:33:23,517 INFO L258 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse0 .cse4 .cse3 .cse6) (and .cse5 (= ~methaneLevelCritical~0 0) .cse0 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-10-11 00:33:23,517 INFO L258 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:23,517 INFO L258 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:23,517 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:23,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-11 00:33:23,517 INFO L262 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2021-10-11 00:33:23,517 INFO L262 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2021-10-11 00:33:23,518 INFO L262 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2021-10-11 00:33:23,518 INFO L258 CegarLoopResult]: At program point L265(lines 260 267) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:33:23,518 INFO L258 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:33:23,518 INFO L262 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-10-11 00:33:23,518 INFO L265 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-10-11 00:33:23,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:23 BoogieIcfgContainer [2021-10-11 00:33:23,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:23,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:23,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:23,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:23,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:15" (3/4) ... [2021-10-11 00:33:23,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:23,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:33:23,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:33:23,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:33:23,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:33:23,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:33:23,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:23,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:23,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-10-11 00:33:23,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:33:23,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-10-11 00:33:23,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-10-11 00:33:23,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2021-10-11 00:33:23,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:33:23,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel [2021-10-11 00:33:23,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:33:23,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdda02b1-ed76-42af-b90a-9e0dce5dac0f/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:23,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:23,677 INFO L168 Benchmark]: Toolchain (without parser) took 9951.90 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 57.6 MB in the beginning and 49.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,677 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 98.6 MB. Free memory is still 75.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:23,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.28 ms. Allocated memory is still 98.6 MB. Free memory was 57.5 MB in the beginning and 63.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.36 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 59.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,679 INFO L168 Benchmark]: Boogie Preprocessor took 99.85 ms. Allocated memory is still 98.6 MB. Free memory was 59.5 MB in the beginning and 56.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,679 INFO L168 Benchmark]: RCFGBuilder took 1250.45 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 47.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,680 INFO L168 Benchmark]: TraceAbstraction took 7654.87 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 46.8 MB in the beginning and 59.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,680 INFO L168 Benchmark]: Witness Printer took 127.15 ms. Allocated memory is still 174.1 MB. Free memory was 59.3 MB in the beginning and 49.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:23,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 98.6 MB. Free memory is still 75.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.28 ms. Allocated memory is still 98.6 MB. Free memory was 57.5 MB in the beginning and 63.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.36 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 59.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.85 ms. Allocated memory is still 98.6 MB. Free memory was 59.5 MB in the beginning and 56.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1250.45 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 47.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7654.87 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 46.8 MB in the beginning and 59.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. * Witness Printer took 127.15 ms. Allocated memory is still 174.1 MB. Free memory was 59.3 MB in the beginning and 49.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1351 SDslu, 1645 SDs, 0 SdLazy, 210 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 717 HoareAnnotationTreeSize, 43 FomulaSimplifications, 220797 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 12949 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46009 SizeOfPredicates, 3 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...