./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0 --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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:48:17,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:48:17,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:48:17,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:48:17,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:48:17,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:48:17,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:48:17,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:48:17,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:48:17,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:48:17,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:48:17,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:48:17,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:48:17,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:48:17,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:48:17,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:48:17,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:48:17,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:48:17,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:48:17,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:48:17,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:48:17,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:48:17,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:48:17,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:48:17,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:48:17,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:48:17,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:48:17,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:48:17,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:48:17,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:48:17,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:48:17,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:48:17,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:48:17,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:48:17,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:48:17,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:48:17,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:48:17,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:48:17,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:48:17,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:48:17,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:48:17,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:48:17,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:48:17,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:48:17,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:48:17,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:48:17,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:48:17,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:48:17,475 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:48:17,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:48:17,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:48:17,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:48:17,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:48:17,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:48:17,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:48:17,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:48:17,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:48:17,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:48:17,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:48:17,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:48:17,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:48:17,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:48:17,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:48:17,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:48:17,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:48:17,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:48:17,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:48:17,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:48:17,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:48:17,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:48:17,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:48:17,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:48:17,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:48:17,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:48:17,480 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_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2021-11-22 14:48:17,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:48:17,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:48:17,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:48:17,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:48:17,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:48:17,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-11-22 14:48:17,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/data/9a666f83d/c1b1a54629bc421da10ed1a0472f0186/FLAGa00f3efbb [2021-11-22 14:48:18,522 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:48:18,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-11-22 14:48:18,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/data/9a666f83d/c1b1a54629bc421da10ed1a0472f0186/FLAGa00f3efbb [2021-11-22 14:48:18,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/data/9a666f83d/c1b1a54629bc421da10ed1a0472f0186 [2021-11-22 14:48:18,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:48:18,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:48:18,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:48:18,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:48:18,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:48:18,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:48:18" (1/1) ... [2021-11-22 14:48:18,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622b0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:18, skipping insertion in model container [2021-11-22 14:48:18,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:48:18" (1/1) ... [2021-11-22 14:48:18,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:48:18,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:48:19,047 WARN L230 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_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2021-11-22 14:48:19,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:48:19,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:48:19,186 WARN L230 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_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2021-11-22 14:48:19,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:48:19,264 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:48:19,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19 WrapperNode [2021-11-22 14:48:19,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:48:19,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:48:19,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:48:19,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:48:19,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,333 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 296 [2021-11-22 14:48:19,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:48:19,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:48:19,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:48:19,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:48:19,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:48:19,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:48:19,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:48:19,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:48:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (1/1) ... [2021-11-22 14:48:19,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:48:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:48:19,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:48:19,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:48:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:48:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:48:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:48:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:48:19,612 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:48:19,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:48:20,011 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:48:20,020 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:48:20,020 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 14:48:20,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:20 BoogieIcfgContainer [2021-11-22 14:48:20,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:48:20,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:48:20,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:48:20,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:48:20,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:48:18" (1/3) ... [2021-11-22 14:48:20,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76382be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:48:20, skipping insertion in model container [2021-11-22 14:48:20,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:19" (2/3) ... [2021-11-22 14:48:20,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76382be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:48:20, skipping insertion in model container [2021-11-22 14:48:20,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:20" (3/3) ... [2021-11-22 14:48:20,033 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2021-11-22 14:48:20,039 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:48:20,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 14:48:20,109 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:48:20,121 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:48:20,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 14:48:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 14:48:20,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:20,162 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:20,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:20,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:20,177 INFO L85 PathProgramCache]: Analyzing trace with hash 968084390, now seen corresponding path program 1 times [2021-11-22 14:48:20,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:48:20,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131584657] [2021-11-22 14:48:20,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:20,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:48:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:20,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:48:20,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131584657] [2021-11-22 14:48:20,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131584657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:20,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:20,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:48:20,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440899336] [2021-11-22 14:48:20,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:20,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:48:20,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:48:20,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:48:20,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:48:20,502 INFO L87 Difference]: Start difference. First operand has 82 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:20,550 INFO L93 Difference]: Finished difference Result 154 states and 209 transitions. [2021-11-22 14:48:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:48:20,553 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-22 14:48:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:20,565 INFO L225 Difference]: With dead ends: 154 [2021-11-22 14:48:20,566 INFO L226 Difference]: Without dead ends: 72 [2021-11-22 14:48:20,570 INFO L932 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 [2021-11-22 14:48:20,576 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:20,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:48:20,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-11-22 14:48:20,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-11-22 14:48:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 71 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-11-22 14:48:20,623 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 17 [2021-11-22 14:48:20,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:20,623 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-11-22 14:48:20,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-11-22 14:48:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 14:48:20,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:20,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:20,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:48:20,626 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash -671589686, now seen corresponding path program 1 times [2021-11-22 14:48:20,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:48:20,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209742907] [2021-11-22 14:48:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:20,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:48:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:20,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:48:20,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209742907] [2021-11-22 14:48:20,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209742907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:20,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:20,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:48:20,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615400809] [2021-11-22 14:48:20,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:20,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:48:20,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:48:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:48:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:48:20,708 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:20,720 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2021-11-22 14:48:20,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:48:20,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 14:48:20,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:20,722 INFO L225 Difference]: With dead ends: 72 [2021-11-22 14:48:20,722 INFO L226 Difference]: Without dead ends: 39 [2021-11-22 14:48:20,723 INFO L932 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 [2021-11-22 14:48:20,725 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 42 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:20,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:48:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-22 14:48:20,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-11-22 14:48:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2021-11-22 14:48:20,733 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 18 [2021-11-22 14:48:20,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:20,733 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2021-11-22 14:48:20,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-22 14:48:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 14:48:20,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:20,742 INFO L514 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] [2021-11-22 14:48:20,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:48:20,743 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:20,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash -896565637, now seen corresponding path program 1 times [2021-11-22 14:48:20,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:48:20,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402973254] [2021-11-22 14:48:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:20,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:48:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:20,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:48:20,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402973254] [2021-11-22 14:48:20,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402973254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:20,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:20,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:48:20,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682217697] [2021-11-22 14:48:20,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:20,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:48:20,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:48:20,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:48:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:48:20,840 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:20,857 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2021-11-22 14:48:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:48:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-22 14:48:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:20,860 INFO L225 Difference]: With dead ends: 102 [2021-11-22 14:48:20,860 INFO L226 Difference]: Without dead ends: 70 [2021-11-22 14:48:20,861 INFO L932 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 [2021-11-22 14:48:20,863 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 30 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:20,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 89 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:48:20,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-22 14:48:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2021-11-22 14:48:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2021-11-22 14:48:20,884 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 24 [2021-11-22 14:48:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:20,884 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2021-11-22 14:48:20,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2021-11-22 14:48:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 14:48:20,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:20,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:20,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:48:20,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 279823579, now seen corresponding path program 1 times [2021-11-22 14:48:20,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:48:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811963057] [2021-11-22 14:48:20,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:48:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:20,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:48:20,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811963057] [2021-11-22 14:48:20,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811963057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:20,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:20,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:48:20,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407290442] [2021-11-22 14:48:20,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:20,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:48:20,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:48:20,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:48:20,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:48:20,978 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:21,096 INFO L93 Difference]: Finished difference Result 218 states and 297 transitions. [2021-11-22 14:48:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:48:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-22 14:48:21,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:21,098 INFO L225 Difference]: With dead ends: 218 [2021-11-22 14:48:21,099 INFO L226 Difference]: Without dead ends: 160 [2021-11-22 14:48:21,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 14:48:21,101 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:21,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 203 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:48:21,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-22 14:48:21,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 115. [2021-11-22 14:48:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3333333333333333) internal successors, (152), 114 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 152 transitions. [2021-11-22 14:48:21,125 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 152 transitions. Word has length 25 [2021-11-22 14:48:21,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:21,125 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 152 transitions. [2021-11-22 14:48:21,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2021-11-22 14:48:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 14:48:21,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:48:21,128 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:48:21,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:48:21,128 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:48:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:48:21,129 INFO L85 PathProgramCache]: Analyzing trace with hash -191349066, now seen corresponding path program 1 times [2021-11-22 14:48:21,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:48:21,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068306763] [2021-11-22 14:48:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:48:21,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:48:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:48:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:48:21,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:48:21,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068306763] [2021-11-22 14:48:21,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068306763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:48:21,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:48:21,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:48:21,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914103445] [2021-11-22 14:48:21,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:48:21,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:48:21,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:48:21,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:48:21,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:48:21,176 INFO L87 Difference]: Start difference. First operand 115 states and 152 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:48:21,195 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2021-11-22 14:48:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:48:21,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-22 14:48:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:48:21,202 INFO L225 Difference]: With dead ends: 162 [2021-11-22 14:48:21,202 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 14:48:21,203 INFO L932 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 [2021-11-22 14:48:21,205 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:48:21,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:48:21,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 14:48:21,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 14:48:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:48:21,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-22 14:48:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:48:21,215 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:48:21,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:48:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:48:21,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 14:48:21,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 14:48:21,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 14:48:21,225 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 14:48:21,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:48:21,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 14:48:21,653 INFO L858 garLoopResultBuilder]: For program point L514-2(lines 508 521) no Hoare annotation was computed. [2021-11-22 14:48:21,653 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,653 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-11-22 14:48:21,653 INFO L854 garLoopResultBuilder]: At program point L696-2(lines 692 703) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,653 INFO L861 garLoopResultBuilder]: At program point L531(lines 468 533) the Hoare annotation is: true [2021-11-22 14:48:21,654 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-11-22 14:48:21,654 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-11-22 14:48:21,654 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 14:48:21,654 INFO L854 garLoopResultBuilder]: At program point L450(lines 446 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,654 INFO L861 garLoopResultBuilder]: At program point L863(lines 844 866) the Hoare annotation is: true [2021-11-22 14:48:21,654 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,654 INFO L858 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L550-2(lines 549 568) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L550-3(lines 550 556) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L550-5(lines 549 568) no Hoare annotation was computed. [2021-11-22 14:48:21,655 INFO L858 garLoopResultBuilder]: For program point L550-6(lines 550 556) no Hoare annotation was computed. [2021-11-22 14:48:21,656 INFO L854 garLoopResultBuilder]: At program point L831(lines 827 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,656 INFO L858 garLoopResultBuilder]: For program point L550-8(lines 549 568) no Hoare annotation was computed. [2021-11-22 14:48:21,656 INFO L861 garLoopResultBuilder]: At program point L798(lines 773 802) the Hoare annotation is: true [2021-11-22 14:48:21,656 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: false [2021-11-22 14:48:21,656 INFO L854 garLoopResultBuilder]: At program point L567(lines 546 569) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4#1|) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,656 INFO L854 garLoopResultBuilder]: At program point L55-1(lines 50 57) the Hoare annotation is: false [2021-11-22 14:48:21,656 INFO L854 garLoopResultBuilder]: At program point L567-1(lines 546 569) the Hoare annotation is: false [2021-11-22 14:48:21,657 INFO L854 garLoopResultBuilder]: At program point L55-2(lines 50 57) the Hoare annotation is: false [2021-11-22 14:48:21,657 INFO L854 garLoopResultBuilder]: At program point L567-2(lines 546 569) the Hoare annotation is: false [2021-11-22 14:48:21,657 INFO L854 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2021-11-22 14:48:21,657 INFO L858 garLoopResultBuilder]: For program point L684(lines 684 688) no Hoare annotation was computed. [2021-11-22 14:48:21,657 INFO L854 garLoopResultBuilder]: At program point L684-2(lines 680 691) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,657 INFO L858 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 494) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,658 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-11-22 14:48:21,659 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 767) no Hoare annotation was computed. [2021-11-22 14:48:21,659 INFO L858 garLoopResultBuilder]: For program point L787-1(lines 787 791) no Hoare annotation was computed. [2021-11-22 14:48:21,659 INFO L854 garLoopResultBuilder]: At program point L754-1(lines 746 770) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4#1|) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,659 INFO L858 garLoopResultBuilder]: For program point L754-2(lines 754 767) no Hoare annotation was computed. [2021-11-22 14:48:21,659 INFO L854 garLoopResultBuilder]: At program point L754-3(lines 746 770) the Hoare annotation is: false [2021-11-22 14:48:21,659 INFO L858 garLoopResultBuilder]: For program point L754-4(lines 754 767) no Hoare annotation was computed. [2021-11-22 14:48:21,660 INFO L854 garLoopResultBuilder]: At program point L754-5(lines 746 770) the Hoare annotation is: false [2021-11-22 14:48:21,660 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 676) no Hoare annotation was computed. [2021-11-22 14:48:21,660 INFO L854 garLoopResultBuilder]: At program point L672-2(lines 668 679) the Hoare annotation is: false [2021-11-22 14:48:21,660 INFO L858 garLoopResultBuilder]: For program point L672-3(lines 672 676) no Hoare annotation was computed. [2021-11-22 14:48:21,660 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 14:48:21,660 INFO L854 garLoopResultBuilder]: At program point L672-5(lines 668 679) the Hoare annotation is: false [2021-11-22 14:48:21,660 INFO L858 garLoopResultBuilder]: For program point L672-6(lines 672 676) no Hoare annotation was computed. [2021-11-22 14:48:21,661 INFO L854 garLoopResultBuilder]: At program point L672-8(lines 668 679) the Hoare annotation is: false [2021-11-22 14:48:21,661 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 861) no Hoare annotation was computed. [2021-11-22 14:48:21,661 INFO L858 garLoopResultBuilder]: For program point L854-2(lines 854 861) no Hoare annotation was computed. [2021-11-22 14:48:21,661 INFO L854 garLoopResultBuilder]: At program point L590(lines 585 592) the Hoare annotation is: false [2021-11-22 14:48:21,661 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 557 563) no Hoare annotation was computed. [2021-11-22 14:48:21,661 INFO L854 garLoopResultBuilder]: At program point L458(lines 453 461) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,661 INFO L858 garLoopResultBuilder]: For program point L557-3(lines 557 563) no Hoare annotation was computed. [2021-11-22 14:48:21,662 INFO L858 garLoopResultBuilder]: For program point L557-5(lines 557 563) no Hoare annotation was computed. [2021-11-22 14:48:21,662 INFO L854 garLoopResultBuilder]: At program point L574(lines 570 576) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,662 INFO L854 garLoopResultBuilder]: At program point L574-1(lines 570 576) the Hoare annotation is: false [2021-11-22 14:48:21,662 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-11-22 14:48:21,662 INFO L854 garLoopResultBuilder]: At program point L574-2(lines 570 576) the Hoare annotation is: false [2021-11-22 14:48:21,662 INFO L854 garLoopResultBuilder]: At program point L443(lines 439 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L526(lines 477 527) the Hoare annotation is: false [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L741(lines 736 744) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L609(lines 604 612) the Hoare annotation is: false [2021-11-22 14:48:21,663 INFO L854 garLoopResultBuilder]: At program point L609-1(lines 604 612) the Hoare annotation is: false [2021-11-22 14:48:21,664 INFO L854 garLoopResultBuilder]: At program point L609-2(lines 604 612) the Hoare annotation is: false [2021-11-22 14:48:21,664 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2021-11-22 14:48:21,664 INFO L858 garLoopResultBuilder]: For program point L758-3(lines 758 764) no Hoare annotation was computed. [2021-11-22 14:48:21,664 INFO L858 garLoopResultBuilder]: For program point L758-6(lines 758 764) no Hoare annotation was computed. [2021-11-22 14:48:21,664 INFO L861 garLoopResultBuilder]: At program point L841(lines 834 843) the Hoare annotation is: true [2021-11-22 14:48:21,664 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 14:48:21,664 INFO L854 garLoopResultBuilder]: At program point L478-2(lines 478 525) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4#1|) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse1 .cse2))) [2021-11-22 14:48:21,665 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-22 14:48:21,665 INFO L858 garLoopResultBuilder]: For program point L479(lines 478 525) no Hoare annotation was computed. [2021-11-22 14:48:21,665 INFO L854 garLoopResultBuilder]: At program point L661(lines 649 663) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 14:48:21,665 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-11-22 14:48:21,665 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 520) no Hoare annotation was computed. [2021-11-22 14:48:21,669 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-22 14:48:21,670 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:48:21,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:48:21 BoogieIcfgContainer [2021-11-22 14:48:21,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:48:21,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:48:21,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:48:21,690 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:48:21,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:20" (3/4) ... [2021-11-22 14:48:21,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 14:48:21,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-22 14:48:21,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 14:48:21,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 14:48:21,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 14:48:21,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 14:48:21,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 14:48:21,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 14:48:21,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-22 14:48:21,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-22 14:48:21,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-22 14:48:21,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-22 14:48:21,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:48:21,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:48:21,856 INFO L158 Benchmark]: Toolchain (without parser) took 3061.76ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 60.4MB in the beginning and 90.8MB in the end (delta: -30.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,857 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:48:21,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.43ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 63.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,858 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 59.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,858 INFO L158 Benchmark]: RCFGBuilder took 657.79ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 43.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,859 INFO L158 Benchmark]: TraceAbstraction took 1663.85ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 43.2MB in the beginning and 96.0MB in the end (delta: -52.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:48:21,859 INFO L158 Benchmark]: Witness Printer took 165.75ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 90.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 14:48:21,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.43ms. Allocated memory is still 96.5MB. Free memory was 60.1MB in the beginning and 63.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 59.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.79ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 43.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1663.85ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 43.2MB in the beginning and 96.0MB in the end (delta: -52.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 165.75ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 90.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 308 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 50 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 55 NumberOfFragments, 179 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 231 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 14:48:21,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdc7e01-fefb-428a-bfcd-00c5a30ff4ce/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE