./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G --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 dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:15:43,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:15:43,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:15:43,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:15:43,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:15:43,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:15:43,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:15:43,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:15:43,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:15:43,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:15:43,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:15:43,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:15:43,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:15:43,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:15:43,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:15:43,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:15:43,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:15:43,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:15:43,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:15:43,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:15:43,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:15:43,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:15:43,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:15:43,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:15:43,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:15:43,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:15:43,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:15:43,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:15:43,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:15:43,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:15:43,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:15:43,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:15:43,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:15:43,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:15:43,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:15:43,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:15:43,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:15:43,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:15:43,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:15:43,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:15:43,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:15:43,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 14:15:43,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:15:43,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:15:43,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:15:43,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:15:43,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:15:43,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:15:43,337 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:15:43,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:15:43,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:15:43,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:15:43,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:15:43,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:15:43,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:15:43,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:15:43,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:15:43,341 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:15:43,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:15:43,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:15:43,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:15:43,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:15:43,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:15:43,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:15:43,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:15:43,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:15:43,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:15:43,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:15:43,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:15:43,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:15:43,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:15:43,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 14:15:43,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:15:43,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:15:43,349 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_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 [2021-11-23 14:15:43,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:15:43,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:15:43,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:15:43,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:15:43,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:15:43,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-23 14:15:43,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/data/a0069617d/69fbf7b667e64b39b8ca17c32618d126/FLAGb65884a54 [2021-11-23 14:15:44,449 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:15:44,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-23 14:15:44,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/data/a0069617d/69fbf7b667e64b39b8ca17c32618d126/FLAGb65884a54 [2021-11-23 14:15:44,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/data/a0069617d/69fbf7b667e64b39b8ca17c32618d126 [2021-11-23 14:15:44,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:15:44,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:15:44,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:15:44,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:15:44,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:15:44,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:44" (1/1) ... [2021-11-23 14:15:44,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e85fde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:44, skipping insertion in model container [2021-11-23 14:15:44,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:44" (1/1) ... [2021-11-23 14:15:44,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:15:44,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:15:45,047 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_8972e1f0-4077-44f2-8cfa-82c5f857e69a/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-23 14:15:45,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:15:45,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:15:45,274 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_8972e1f0-4077-44f2-8cfa-82c5f857e69a/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-23 14:15:45,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:15:45,423 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:15:45,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45 WrapperNode [2021-11-23 14:15:45,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:15:45,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:15:45,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:15:45,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:15:45,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,540 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 51, calls inlined = 77, statements flattened = 628 [2021-11-23 14:15:45,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:15:45,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:15:45,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:15:45,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:15:45,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:15:45,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:15:45,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:15:45,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:15:45,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (1/1) ... [2021-11-23 14:15:45,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:15:45,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:15:45,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:15:45,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:15:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:15:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:15:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:15:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:15:45,792 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:15:45,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:15:46,379 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:15:46,390 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:15:46,390 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:15:46,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:46 BoogieIcfgContainer [2021-11-23 14:15:46,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:15:46,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:15:46,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:15:46,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:15:46,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:15:44" (1/3) ... [2021-11-23 14:15:46,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bc980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:46, skipping insertion in model container [2021-11-23 14:15:46,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:45" (2/3) ... [2021-11-23 14:15:46,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bc980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:46, skipping insertion in model container [2021-11-23 14:15:46,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:46" (3/3) ... [2021-11-23 14:15:46,404 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2021-11-23 14:15:46,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:15:46,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 14:15:46,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 14:15:46,481 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 [2021-11-23 14:15:46,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 14:15:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 161 states have (on average 1.3975155279503106) internal successors, (225), 164 states have internal predecessors, (225), 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) [2021-11-23 14:15:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 14:15:46,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:46,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:46,516 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash 26878205, now seen corresponding path program 1 times [2021-11-23 14:15:46,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:46,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996358778] [2021-11-23 14:15:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:46,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:46,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:46,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996358778] [2021-11-23 14:15:46,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996358778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:46,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:46,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:15:46,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476092356] [2021-11-23 14:15:46,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:46,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:15:46,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:15:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:15:46,812 INFO L87 Difference]: Start difference. First operand has 165 states, 161 states have (on average 1.3975155279503106) internal successors, (225), 164 states have internal predecessors, (225), 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) [2021-11-23 14:15:46,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:46,857 INFO L93 Difference]: Finished difference Result 320 states and 439 transitions. [2021-11-23 14:15:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:15:46,860 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 [2021-11-23 14:15:46,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:46,873 INFO L225 Difference]: With dead ends: 320 [2021-11-23 14:15:46,873 INFO L226 Difference]: Without dead ends: 155 [2021-11-23 14:15:46,878 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 [2021-11-23 14:15:46,882 INFO L933 BasicCegarLoop]: 215 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, 215 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 [2021-11-23 14:15:46,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-23 14:15:46,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-23 14:15:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 152 states have (on average 1.361842105263158) internal successors, (207), 154 states have internal predecessors, (207), 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) [2021-11-23 14:15:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2021-11-23 14:15:46,945 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 17 [2021-11-23 14:15:46,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:46,945 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2021-11-23 14:15:46,946 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) [2021-11-23 14:15:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2021-11-23 14:15:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 14:15:46,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:46,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:46,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:15:46,949 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1612795871, now seen corresponding path program 1 times [2021-11-23 14:15:46,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:46,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085904774] [2021-11-23 14:15:46,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:46,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:47,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:47,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085904774] [2021-11-23 14:15:47,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085904774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:47,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:47,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:15:47,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069189224] [2021-11-23 14:15:47,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:47,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:15:47,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:47,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:15:47,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:15:47,133 INFO L87 Difference]: Start difference. First operand 155 states and 207 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) [2021-11-23 14:15:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:47,175 INFO L93 Difference]: Finished difference Result 155 states and 207 transitions. [2021-11-23 14:15:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:15:47,177 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 [2021-11-23 14:15:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:47,178 INFO L225 Difference]: With dead ends: 155 [2021-11-23 14:15:47,180 INFO L226 Difference]: Without dead ends: 64 [2021-11-23 14:15:47,181 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 [2021-11-23 14:15:47,184 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 77 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 90 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 [2021-11-23 14:15:47,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-23 14:15:47,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-23 14:15:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:15:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-11-23 14:15:47,213 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 18 [2021-11-23 14:15:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:47,213 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-11-23 14:15:47,214 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) [2021-11-23 14:15:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-11-23 14:15:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 14:15:47,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:47,218 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] [2021-11-23 14:15:47,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:15:47,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:47,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1374602225, now seen corresponding path program 1 times [2021-11-23 14:15:47,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:47,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238402483] [2021-11-23 14:15:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:47,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:47,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:47,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238402483] [2021-11-23 14:15:47,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238402483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:47,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:47,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:15:47,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208135658] [2021-11-23 14:15:47,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:47,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:15:47,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:15:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:15:47,375 INFO L87 Difference]: Start difference. First operand 64 states and 85 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) [2021-11-23 14:15:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:47,403 INFO L93 Difference]: Finished difference Result 121 states and 163 transitions. [2021-11-23 14:15:47,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:15:47,409 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 [2021-11-23 14:15:47,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:47,410 INFO L225 Difference]: With dead ends: 121 [2021-11-23 14:15:47,411 INFO L226 Difference]: Without dead ends: 64 [2021-11-23 14:15:47,412 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 [2021-11-23 14:15:47,414 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 83 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 [2021-11-23 14:15:47,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:47,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-23 14:15:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-23 14:15:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 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) [2021-11-23 14:15:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2021-11-23 14:15:47,447 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 24 [2021-11-23 14:15:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:47,447 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2021-11-23 14:15:47,447 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) [2021-11-23 14:15:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2021-11-23 14:15:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 14:15:47,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:47,449 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, 1, 1] [2021-11-23 14:15:47,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:15:47,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:47,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:47,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1530174714, now seen corresponding path program 1 times [2021-11-23 14:15:47,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:47,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845216735] [2021-11-23 14:15:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:47,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:47,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:47,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845216735] [2021-11-23 14:15:47,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845216735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:47,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:47,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:15:47,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886209289] [2021-11-23 14:15:47,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:47,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:15:47,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:47,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:15:47,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:15:47,563 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-23 14:15:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:47,624 INFO L93 Difference]: Finished difference Result 149 states and 198 transitions. [2021-11-23 14:15:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:15:47,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-23 14:15:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:47,627 INFO L225 Difference]: With dead ends: 149 [2021-11-23 14:15:47,628 INFO L226 Difference]: Without dead ends: 92 [2021-11-23 14:15:47,629 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 [2021-11-23 14:15:47,631 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 44 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:47,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 136 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-23 14:15:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-11-23 14:15:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:15:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2021-11-23 14:15:47,654 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 29 [2021-11-23 14:15:47,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:47,654 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2021-11-23 14:15:47,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-23 14:15:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2021-11-23 14:15:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 14:15:47,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:47,663 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:47,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:15:47,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash 568283138, now seen corresponding path program 1 times [2021-11-23 14:15:47,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:47,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181407018] [2021-11-23 14:15:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:47,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:47,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181407018] [2021-11-23 14:15:47,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181407018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:47,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:47,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:15:47,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688894584] [2021-11-23 14:15:47,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:47,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:47,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:47,794 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-23 14:15:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:47,869 INFO L93 Difference]: Finished difference Result 238 states and 308 transitions. [2021-11-23 14:15:47,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:15:47,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-11-23 14:15:47,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:47,872 INFO L225 Difference]: With dead ends: 238 [2021-11-23 14:15:47,872 INFO L226 Difference]: Without dead ends: 155 [2021-11-23 14:15:47,873 INFO L932 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 [2021-11-23 14:15:47,874 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 162 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:47,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 394 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-23 14:15:47,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 96. [2021-11-23 14:15:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 95 states have internal predecessors, (123), 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) [2021-11-23 14:15:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-11-23 14:15:47,888 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 35 [2021-11-23 14:15:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:47,888 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-11-23 14:15:47,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-23 14:15:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-11-23 14:15:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 14:15:47,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:47,890 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:47,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:15:47,891 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:47,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:47,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1142345858, now seen corresponding path program 1 times [2021-11-23 14:15:47,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:47,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734356592] [2021-11-23 14:15:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:47,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:47,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:47,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734356592] [2021-11-23 14:15:47,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734356592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:47,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:47,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:15:47,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432891338] [2021-11-23 14:15:47,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:47,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:47,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:47,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:47,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:47,980 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:48,094 INFO L93 Difference]: Finished difference Result 280 states and 359 transitions. [2021-11-23 14:15:48,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:15:48,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2021-11-23 14:15:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:48,098 INFO L225 Difference]: With dead ends: 280 [2021-11-23 14:15:48,098 INFO L226 Difference]: Without dead ends: 278 [2021-11-23 14:15:48,098 INFO L932 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 [2021-11-23 14:15:48,100 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 287 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:48,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 584 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:15:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-11-23 14:15:48,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 96. [2021-11-23 14:15:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2842105263157895) internal successors, (122), 95 states have internal predecessors, (122), 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) [2021-11-23 14:15:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2021-11-23 14:15:48,135 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 35 [2021-11-23 14:15:48,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:48,137 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2021-11-23 14:15:48,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2021-11-23 14:15:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 14:15:48,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:48,141 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:48,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:15:48,142 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:48,143 INFO L85 PathProgramCache]: Analyzing trace with hash -18522876, now seen corresponding path program 1 times [2021-11-23 14:15:48,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:48,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884781901] [2021-11-23 14:15:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:48,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:48,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:48,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884781901] [2021-11-23 14:15:48,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884781901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:48,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:48,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:15:48,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073490214] [2021-11-23 14:15:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:48,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:48,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:48,277 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:48,376 INFO L93 Difference]: Finished difference Result 255 states and 323 transitions. [2021-11-23 14:15:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:15:48,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-11-23 14:15:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:48,380 INFO L225 Difference]: With dead ends: 255 [2021-11-23 14:15:48,380 INFO L226 Difference]: Without dead ends: 166 [2021-11-23 14:15:48,385 INFO L932 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 [2021-11-23 14:15:48,387 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 237 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:48,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 270 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-23 14:15:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 100. [2021-11-23 14:15:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2727272727272727) internal successors, (126), 99 states have internal predecessors, (126), 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) [2021-11-23 14:15:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2021-11-23 14:15:48,408 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 35 [2021-11-23 14:15:48,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:48,409 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2021-11-23 14:15:48,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2021-11-23 14:15:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 14:15:48,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:48,411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:48,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 14:15:48,412 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1298386554, now seen corresponding path program 1 times [2021-11-23 14:15:48,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:48,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660030995] [2021-11-23 14:15:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:48,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:48,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:48,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660030995] [2021-11-23 14:15:48,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660030995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:48,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:48,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:15:48,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772767360] [2021-11-23 14:15:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:48,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:15:48,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:15:48,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:15:48,458 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:48,504 INFO L93 Difference]: Finished difference Result 267 states and 341 transitions. [2021-11-23 14:15:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:15:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 35 [2021-11-23 14:15:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:48,507 INFO L225 Difference]: With dead ends: 267 [2021-11-23 14:15:48,507 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 14:15:48,508 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 [2021-11-23 14:15:48,509 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 49 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:48,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 145 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 14:15:48,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2021-11-23 14:15:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.2690058479532165) internal successors, (217), 171 states have internal predecessors, (217), 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) [2021-11-23 14:15:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2021-11-23 14:15:48,534 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 35 [2021-11-23 14:15:48,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:48,534 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2021-11-23 14:15:48,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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) [2021-11-23 14:15:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2021-11-23 14:15:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 14:15:48,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:48,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:48,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:15:48,537 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:48,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:48,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1541222913, now seen corresponding path program 1 times [2021-11-23 14:15:48,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:48,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698102741] [2021-11-23 14:15:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:48,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:48,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:48,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698102741] [2021-11-23 14:15:48,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698102741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:48,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:48,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:15:48,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617896028] [2021-11-23 14:15:48,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:48,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:48,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:48,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:48,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:48,600 INFO L87 Difference]: Start difference. First operand 172 states and 217 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-23 14:15:48,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:48,709 INFO L93 Difference]: Finished difference Result 473 states and 601 transitions. [2021-11-23 14:15:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:15:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-11-23 14:15:48,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:48,712 INFO L225 Difference]: With dead ends: 473 [2021-11-23 14:15:48,713 INFO L226 Difference]: Without dead ends: 308 [2021-11-23 14:15:48,714 INFO L932 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 [2021-11-23 14:15:48,715 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 223 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:48,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 433 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-23 14:15:48,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 220. [2021-11-23 14:15:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.2602739726027397) internal successors, (276), 219 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:15:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 276 transitions. [2021-11-23 14:15:48,743 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 276 transitions. Word has length 37 [2021-11-23 14:15:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:48,743 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 276 transitions. [2021-11-23 14:15:48,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-23 14:15:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 276 transitions. [2021-11-23 14:15:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 14:15:48,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:48,746 INFO L514 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:48,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 14:15:48,747 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:48,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1751199146, now seen corresponding path program 1 times [2021-11-23 14:15:48,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:48,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591987760] [2021-11-23 14:15:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:48,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:48,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591987760] [2021-11-23 14:15:48,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591987760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:15:48,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357863032] [2021-11-23 14:15:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:48,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:15:48,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:15:48,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:15:48,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 14:15:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:49,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 14:15:49,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:15:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:49,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:15:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:15:49,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357863032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:15:49,430 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:15:49,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-11-23 14:15:49,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538371000] [2021-11-23 14:15:49,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:15:49,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:15:49,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:49,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:15:49,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:15:49,433 INFO L87 Difference]: Start difference. First operand 220 states and 276 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-11-23 14:15:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:49,600 INFO L93 Difference]: Finished difference Result 709 states and 895 transitions. [2021-11-23 14:15:49,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:15:49,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2021-11-23 14:15:49,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:49,605 INFO L225 Difference]: With dead ends: 709 [2021-11-23 14:15:49,606 INFO L226 Difference]: Without dead ends: 496 [2021-11-23 14:15:49,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-23 14:15:49,608 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 329 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:49,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 553 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:15:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-11-23 14:15:49,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 316. [2021-11-23 14:15:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.2571428571428571) internal successors, (396), 315 states have internal predecessors, (396), 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) [2021-11-23 14:15:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 396 transitions. [2021-11-23 14:15:49,646 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 396 transitions. Word has length 65 [2021-11-23 14:15:49,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:49,646 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 396 transitions. [2021-11-23 14:15:49,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-11-23 14:15:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 396 transitions. [2021-11-23 14:15:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 14:15:49,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:49,649 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 14:15:49,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:15:49,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 14:15:49,857 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:49,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:49,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1043812651, now seen corresponding path program 2 times [2021-11-23 14:15:49,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:49,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614994965] [2021-11-23 14:15:49,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:49,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 14:15:49,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:49,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614994965] [2021-11-23 14:15:49,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614994965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:49,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:49,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:15:49,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486122028] [2021-11-23 14:15:49,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:49,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:49,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:49,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:49,982 INFO L87 Difference]: Start difference. First operand 316 states and 396 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2021-11-23 14:15:50,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:50,154 INFO L93 Difference]: Finished difference Result 1008 states and 1268 transitions. [2021-11-23 14:15:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:15:50,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 93 [2021-11-23 14:15:50,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:50,159 INFO L225 Difference]: With dead ends: 1008 [2021-11-23 14:15:50,160 INFO L226 Difference]: Without dead ends: 698 [2021-11-23 14:15:50,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:15:50,168 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 227 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:50,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 322 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:15:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2021-11-23 14:15:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 368. [2021-11-23 14:15:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.2615803814713897) internal successors, (463), 367 states have internal predecessors, (463), 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) [2021-11-23 14:15:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 463 transitions. [2021-11-23 14:15:50,223 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 463 transitions. Word has length 93 [2021-11-23 14:15:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:50,225 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 463 transitions. [2021-11-23 14:15:50,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2021-11-23 14:15:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 463 transitions. [2021-11-23 14:15:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 14:15:50,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:15:50,227 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:50,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 14:15:50,228 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:15:50,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:15:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1291959145, now seen corresponding path program 1 times [2021-11-23 14:15:50,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:15:50,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455272591] [2021-11-23 14:15:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:15:50,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:15:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:15:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:15:50,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:15:50,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455272591] [2021-11-23 14:15:50,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455272591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:15:50,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:15:50,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:15:50,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264820895] [2021-11-23 14:15:50,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:15:50,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:15:50,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:15:50,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:15:50,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:15:50,296 INFO L87 Difference]: Start difference. First operand 368 states and 463 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:15:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:15:50,366 INFO L93 Difference]: Finished difference Result 623 states and 773 transitions. [2021-11-23 14:15:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:15:50,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-23 14:15:50,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:15:50,367 INFO L225 Difference]: With dead ends: 623 [2021-11-23 14:15:50,367 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 14:15:50,368 INFO L932 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 [2021-11-23 14:15:50,369 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 182 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:15:50,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 369 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:15:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 14:15:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 14:15:50,370 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) [2021-11-23 14:15:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 14:15:50,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2021-11-23 14:15:50,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:15:50,371 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:15:50,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:15:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:15:50,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 14:15:50,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 14:15:50,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 14:15:50,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 14:15:50,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 14:15:50,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 14:15:56,527 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,527 INFO L854 garLoopResultBuilder]: At program point L300(lines 279 302) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and (<= 2 ~waterLevel~0) .cse0 (<= 2 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) .cse1) (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse0 .cse1 .cse4 .cse5) (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) .cse3 .cse0 (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) .cse1 (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) .cse4 (= |ULTIMATE.start_processEnvironment_~tmp~2#1| 1) .cse5))) [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L300-1(lines 279 302) the Hoare annotation is: false [2021-11-23 14:15:56,528 INFO L861 garLoopResultBuilder]: At program point L267(lines 248 270) the Hoare annotation is: true [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L300-2(lines 279 302) the Hoare annotation is: false [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L367(lines 362 369) the Hoare annotation is: false [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L367-1(lines 362 369) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L367-2(lines 362 369) the Hoare annotation is: false [2021-11-23 14:15:56,528 INFO L854 garLoopResultBuilder]: At program point L367-3(lines 362 369) the Hoare annotation is: false [2021-11-23 14:15:56,529 INFO L854 garLoopResultBuilder]: At program point L367-4(lines 362 369) the Hoare annotation is: false [2021-11-23 14:15:56,529 INFO L854 garLoopResultBuilder]: At program point L367-5(lines 362 369) the Hoare annotation is: false [2021-11-23 14:15:56,530 INFO L861 garLoopResultBuilder]: At program point L534(lines 473 536) the Hoare annotation is: true [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L468-1(lines 453 471) the Hoare annotation is: false [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L468-2(lines 453 471) the Hoare annotation is: false [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L568(lines 563 571) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,530 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L73-2(lines 69 80) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,530 INFO L858 garLoopResultBuilder]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2021-11-23 14:15:56,530 INFO L854 garLoopResultBuilder]: At program point L73-5(lines 69 80) the Hoare annotation is: false [2021-11-23 14:15:56,531 INFO L858 garLoopResultBuilder]: For program point L73-6(lines 73 77) no Hoare annotation was computed. [2021-11-23 14:15:56,531 INFO L854 garLoopResultBuilder]: At program point L73-8(lines 69 80) the Hoare annotation is: false [2021-11-23 14:15:56,531 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 509) no Hoare annotation was computed. [2021-11-23 14:15:56,531 INFO L858 garLoopResultBuilder]: For program point L503-2(lines 503 509) no Hoare annotation was computed. [2021-11-23 14:15:56,531 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,531 INFO L854 garLoopResultBuilder]: At program point L307(lines 303 309) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) [2021-11-23 14:15:56,531 INFO L854 garLoopResultBuilder]: At program point L307-1(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,531 INFO L854 garLoopResultBuilder]: At program point L307-2(lines 303 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-3(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-4(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L142(lines 137 145) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) .cse1 .cse2 (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) .cse3 (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) .cse4 (= |ULTIMATE.start_processEnvironment_~tmp~2#1| 1)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3))) [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-5(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-6(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L142-1(lines 137 145) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-7(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L142-2(lines 137 145) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-8(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-9(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,532 INFO L854 garLoopResultBuilder]: At program point L307-10(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,533 INFO L854 garLoopResultBuilder]: At program point L307-11(lines 303 309) the Hoare annotation is: false [2021-11-23 14:15:56,533 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 358) no Hoare annotation was computed. [2021-11-23 14:15:56,533 INFO L854 garLoopResultBuilder]: At program point L341-1(lines 337 361) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-11-23 14:15:56,533 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2021-11-23 14:15:56,534 INFO L854 garLoopResultBuilder]: At program point L341-3(lines 337 361) the Hoare annotation is: false [2021-11-23 14:15:56,534 INFO L861 garLoopResultBuilder]: At program point L242(lines 235 244) the Hoare annotation is: true [2021-11-23 14:15:56,534 INFO L858 garLoopResultBuilder]: For program point L341-4(lines 341 358) no Hoare annotation was computed. [2021-11-23 14:15:56,534 INFO L854 garLoopResultBuilder]: At program point L341-5(lines 337 361) the Hoare annotation is: false [2021-11-23 14:15:56,534 INFO L854 garLoopResultBuilder]: At program point L375(lines 370 377) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_processEnvironment_~tmp~2#1| 1)) [2021-11-23 14:15:56,534 INFO L854 garLoopResultBuilder]: At program point L375-1(lines 370 377) the Hoare annotation is: false [2021-11-23 14:15:56,534 INFO L854 garLoopResultBuilder]: At program point L375-2(lines 370 377) the Hoare annotation is: false [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-5(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-6(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-8(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-9(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-11(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,535 INFO L858 garLoopResultBuilder]: For program point L443-12(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,536 INFO L858 garLoopResultBuilder]: For program point L443-14(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,536 INFO L858 garLoopResultBuilder]: For program point L443-15(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,536 INFO L858 garLoopResultBuilder]: For program point L443-17(lines 443 447) no Hoare annotation was computed. [2021-11-23 14:15:56,536 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 353) no Hoare annotation was computed. [2021-11-23 14:15:56,536 INFO L858 garLoopResultBuilder]: For program point L345-3(lines 345 353) no Hoare annotation was computed. [2021-11-23 14:15:56,537 INFO L858 garLoopResultBuilder]: For program point L345-6(lines 345 353) no Hoare annotation was computed. [2021-11-23 14:15:56,537 INFO L854 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: false [2021-11-23 14:15:56,537 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 524) no Hoare annotation was computed. [2021-11-23 14:15:56,537 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,537 INFO L854 garLoopResultBuilder]: At program point L315-1(lines 311 335) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) [2021-11-23 14:15:56,538 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,538 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 311 335) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-11-23 14:15:56,539 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,540 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-23 14:15:56,540 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,540 INFO L854 garLoopResultBuilder]: At program point L315-5(lines 311 335) the Hoare annotation is: false [2021-11-23 14:15:56,541 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,541 INFO L858 garLoopResultBuilder]: For program point L315-6(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,541 INFO L858 garLoopResultBuilder]: For program point L150-2(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,541 INFO L854 garLoopResultBuilder]: At program point L315-7(lines 311 335) the Hoare annotation is: false [2021-11-23 14:15:56,541 INFO L858 garLoopResultBuilder]: For program point L150-3(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,541 INFO L858 garLoopResultBuilder]: For program point L315-8(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,542 INFO L858 garLoopResultBuilder]: For program point L150-4(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,542 INFO L854 garLoopResultBuilder]: At program point L315-9(lines 311 335) the Hoare annotation is: false [2021-11-23 14:15:56,542 INFO L858 garLoopResultBuilder]: For program point L315-10(lines 315 332) no Hoare annotation was computed. [2021-11-23 14:15:56,542 INFO L858 garLoopResultBuilder]: For program point L150-5(lines 150 156) no Hoare annotation was computed. [2021-11-23 14:15:56,542 INFO L854 garLoopResultBuilder]: At program point L315-11(lines 311 335) the Hoare annotation is: false [2021-11-23 14:15:56,542 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-11-23 14:15:56,543 INFO L858 garLoopResultBuilder]: For program point L283-2(lines 282 301) no Hoare annotation was computed. [2021-11-23 14:15:56,543 INFO L858 garLoopResultBuilder]: For program point L283-3(lines 283 289) no Hoare annotation was computed. [2021-11-23 14:15:56,543 INFO L858 garLoopResultBuilder]: For program point L283-5(lines 282 301) no Hoare annotation was computed. [2021-11-23 14:15:56,551 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2021-11-23 14:15:56,551 INFO L858 garLoopResultBuilder]: For program point L283-6(lines 283 289) no Hoare annotation was computed. [2021-11-23 14:15:56,551 INFO L854 garLoopResultBuilder]: At program point L85-2(lines 81 92) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:15:56,551 INFO L858 garLoopResultBuilder]: For program point L283-8(lines 282 301) no Hoare annotation was computed. [2021-11-23 14:15:56,551 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2021-11-23 14:15:56,552 INFO L854 garLoopResultBuilder]: At program point L581-1(lines 573 597) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and (<= 2 ~waterLevel~0) .cse0 (<= 2 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) .cse1) (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse0 .cse1 .cse4 .cse5) (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) .cse3 .cse0 (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) .cse1 (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) .cse4 (= |ULTIMATE.start_processEnvironment_~tmp~2#1| 1) .cse5))) [2021-11-23 14:15:56,552 INFO L858 garLoopResultBuilder]: For program point L581-2(lines 581 594) no Hoare annotation was computed. [2021-11-23 14:15:56,552 INFO L854 garLoopResultBuilder]: At program point L581-3(lines 573 597) the Hoare annotation is: false [2021-11-23 14:15:56,552 INFO L854 garLoopResultBuilder]: At program point L449(lines 434 452) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~0#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_~tmp~3#1| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)) [2021-11-23 14:15:56,552 INFO L858 garLoopResultBuilder]: For program point L581-4(lines 581 594) no Hoare annotation was computed. [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L449-1(lines 434 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~0#1| 0) .cse2 (<= 1 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_~tmp~3#1| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)))) [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L581-5(lines 573 597) the Hoare annotation is: false [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L449-2(lines 434 452) the Hoare annotation is: false [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L449-3(lines 434 452) the Hoare annotation is: false [2021-11-23 14:15:56,553 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L449-4(lines 434 452) the Hoare annotation is: false [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L449-5(lines 434 452) the Hoare annotation is: false [2021-11-23 14:15:56,553 INFO L854 garLoopResultBuilder]: At program point L483-2(lines 483 528) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (<= 2 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) .cse1) (and .cse2 (<= ~waterLevel~0 1) .cse0 .cse1 .cse3) (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse0 (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 1) .cse1 (= |ULTIMATE.start_isLowWaterLevel_#res#1| 1) .cse3 (= |ULTIMATE.start_processEnvironment_~tmp~2#1| 1) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|)))) [2021-11-23 14:15:56,553 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-11-23 14:15:56,554 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 186 190) no Hoare annotation was computed. [2021-11-23 14:15:56,554 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,554 INFO L858 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L484(lines 483 528) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L319-3(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L319-6(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,555 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: false [2021-11-23 14:15:56,555 INFO L858 garLoopResultBuilder]: For program point L319-9(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,556 INFO L854 garLoopResultBuilder]: At program point L55-1(lines 50 57) the Hoare annotation is: false [2021-11-23 14:15:56,556 INFO L854 garLoopResultBuilder]: At program point L55-2(lines 50 57) the Hoare annotation is: false [2021-11-23 14:15:56,556 INFO L858 garLoopResultBuilder]: For program point L319-12(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,556 INFO L858 garLoopResultBuilder]: For program point L319-15(lines 319 327) no Hoare annotation was computed. [2021-11-23 14:15:56,556 INFO L858 garLoopResultBuilder]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-11-23 14:15:56,556 INFO L854 garLoopResultBuilder]: At program point L155(lines 146 159) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_~tmp~4#1| 0) (= ~pumpRunning~0 0) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,556 INFO L854 garLoopResultBuilder]: At program point L155-1(lines 146 159) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-11-23 14:15:56,557 INFO L854 garLoopResultBuilder]: At program point L155-2(lines 146 159) the Hoare annotation is: false [2021-11-23 14:15:56,557 INFO L854 garLoopResultBuilder]: At program point L155-3(lines 146 159) the Hoare annotation is: false [2021-11-23 14:15:56,557 INFO L854 garLoopResultBuilder]: At program point L155-4(lines 146 159) the Hoare annotation is: false [2021-11-23 14:15:56,557 INFO L854 garLoopResultBuilder]: At program point L155-5(lines 146 159) the Hoare annotation is: false [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 523) no Hoare annotation was computed. [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 591) no Hoare annotation was computed. [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point L519-2(lines 513 524) no Hoare annotation was computed. [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point L585-6(lines 585 591) no Hoare annotation was computed. [2021-11-23 14:15:56,557 INFO L854 garLoopResultBuilder]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,557 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point L290-3(lines 290 296) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point L290-5(lines 290 296) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 265) no Hoare annotation was computed. [2021-11-23 14:15:56,558 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 14:15:56,559 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 499) no Hoare annotation was computed. [2021-11-23 14:15:56,559 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 499) no Hoare annotation was computed. [2021-11-23 14:15:56,559 INFO L854 garLoopResultBuilder]: At program point L394(lines 389 397) the Hoare annotation is: false [2021-11-23 14:15:56,559 INFO L854 garLoopResultBuilder]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2021-11-23 14:15:56,559 INFO L854 garLoopResultBuilder]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2021-11-23 14:15:56,559 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-11-23 14:15:56,559 INFO L854 garLoopResultBuilder]: At program point L97-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-11-23 14:15:56,559 INFO L854 garLoopResultBuilder]: At program point L560(lines 556 562) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,560 INFO L861 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,560 INFO L858 garLoopResultBuilder]: For program point L462-5(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,561 INFO L858 garLoopResultBuilder]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,561 INFO L854 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,561 INFO L858 garLoopResultBuilder]: For program point L462-8(lines 462 466) no Hoare annotation was computed. [2021-11-23 14:15:56,561 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 168) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-23 14:15:56,561 INFO L854 garLoopResultBuilder]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2021-11-23 14:15:56,561 INFO L854 garLoopResultBuilder]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2021-11-23 14:15:56,561 INFO L854 garLoopResultBuilder]: At program point L529(lines 482 530) the Hoare annotation is: false [2021-11-23 14:15:56,565 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:15:56,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:15:56,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:15:56 BoogieIcfgContainer [2021-11-23 14:15:56,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:15:56,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:15:56,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:15:56,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:15:56,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:46" (3/4) ... [2021-11-23 14:15:56,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 14:15:56,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-23 14:15:56,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 14:15:56,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 14:15:56,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 14:15:56,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 14:15:56,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:15:56,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:15:56,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) [2021-11-23 14:15:56,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || (((2 <= waterLevel && 1 == systemActive) && 2 <= \result) && splverifierCounter == 0) [2021-11-23 14:15:56,730 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) [2021-11-23 14:15:56,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-23 14:15:56,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) [2021-11-23 14:15:56,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:15:56,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel [2021-11-23 14:15:56,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && 1 == systemActive) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) && \result == 0) [2021-11-23 14:15:56,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1 [2021-11-23 14:15:56,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 [2021-11-23 14:15:56,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-23 14:15:56,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) && \result == 0 [2021-11-23 14:15:56,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 [2021-11-23 14:15:56,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 14:15:56,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:15:56,846 INFO L158 Benchmark]: Toolchain (without parser) took 12116.92ms. Allocated memory was 102.8MB in the beginning and 234.9MB in the end (delta: 132.1MB). Free memory was 66.3MB in the beginning and 118.2MB in the end (delta: -51.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,846 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 75.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:15:56,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.57ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 66.3MB in the beginning and 100.7MB in the end (delta: -34.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.57ms. Allocated memory is still 134.2MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,848 INFO L158 Benchmark]: Boogie Preprocessor took 55.78ms. Allocated memory is still 134.2MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,848 INFO L158 Benchmark]: RCFGBuilder took 795.09ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 71.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,849 INFO L158 Benchmark]: TraceAbstraction took 10232.31ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 71.4MB in the beginning and 129.8MB in the end (delta: -58.3MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,849 INFO L158 Benchmark]: Witness Printer took 216.36ms. Allocated memory is still 234.9MB. Free memory was 129.8MB in the beginning and 118.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 14:15:56,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 75.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.57ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 66.3MB in the beginning and 100.7MB in the end (delta: -34.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.57ms. Allocated memory is still 134.2MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.78ms. Allocated memory is still 134.2MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 795.09ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 71.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10232.31ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 71.4MB in the beginning and 129.8MB in the end (delta: -58.3MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 216.36ms. Allocated memory is still 234.9MB. Free memory was 129.8MB in the beginning and 118.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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, 165 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1884 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1884 mSDsluCounter, 3594 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2126 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 1468 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=11, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 909 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 79 LocationsWithAnnotation, 79 PreInvPairs, 171 NumberOfFragments, 744 HoareAnnotationTreeSize, 79 FomulaSimplifications, 7861 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 79 FomulaSimplificationsInter, 163062 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 1180 SizeOfPredicates, 3 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 156/168 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: 434]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) && \result == 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((\result == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && 1 == systemActive) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) && \result == 0) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || (((2 <= waterLevel && 1 == systemActive) && 2 <= \result) && splverifierCounter == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) || ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 1 == systemActive) && 2 <= tmp) && 2 <= \result) && splverifierCounter == 0) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((((((tmp == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 == systemActive) && tmp___0 == 1) && splverifierCounter == 0) && \result == 1) && 1 <= waterLevel) && tmp == 1) && 1 <= tmp) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 14:15:56,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8972e1f0-4077-44f2-8cfa-82c5f857e69a/bin/uautomizer-wIGwrQj20G/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