./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/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_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/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_354fbf77-4bed-4a91-8760-22420a0e9b98/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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:30:13,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:30:13,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:30:13,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:30:13,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:30:13,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:30:13,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:30:13,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:30:13,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:30:13,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:30:13,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:30:13,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:30:13,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:30:13,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:30:13,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:30:13,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:30:13,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:30:13,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:30:13,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:30:13,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:30:13,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:30:13,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:30:13,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:30:13,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:30:13,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:30:13,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:30:13,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:30:13,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:30:13,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:30:13,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:30:13,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:30:13,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:30:13,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:30:13,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:30:13,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:30:13,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:30:13,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:30:13,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:30:13,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:30:13,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:30:13,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:30:13,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:30:13,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:30:13,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:30:13,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:30:13,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:30:13,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:30:13,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:30:13,292 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:30:13,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:30:13,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:30:13,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:30:13,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:30:13,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:30:13,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:30:13,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:30:13,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:30:13,295 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:30:13,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:30:13,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:30:13,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:30:13,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:30:13,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:30:13,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:30:13,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:30:13,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:30:13,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:30:13,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:30:13,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:30:13,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:30:13,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:30:13,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:30:13,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:30:13,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:30:13,300 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_354fbf77-4bed-4a91-8760-22420a0e9b98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2021-11-23 13:30:13,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:30:13,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:30:13,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:30:13,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:30:13,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:30:13,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-23 13:30:13,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/data/953b9ee31/6710b806459c4c0eb0f12fc62bfef727/FLAG20bd24491 [2021-11-23 13:30:14,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:30:14,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-23 13:30:14,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/data/953b9ee31/6710b806459c4c0eb0f12fc62bfef727/FLAG20bd24491 [2021-11-23 13:30:14,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/data/953b9ee31/6710b806459c4c0eb0f12fc62bfef727 [2021-11-23 13:30:14,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:30:14,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:30:14,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:30:14,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:30:14,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:30:14,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:14" (1/1) ... [2021-11-23 13:30:14,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29430b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:14, skipping insertion in model container [2021-11-23 13:30:14,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:14" (1/1) ... [2021-11-23 13:30:14,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:30:14,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:30:15,039 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_354fbf77-4bed-4a91-8760-22420a0e9b98/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-23 13:30:15,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:30:15,107 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:30:15,189 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_354fbf77-4bed-4a91-8760-22420a0e9b98/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-23 13:30:15,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:30:15,251 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:30:15,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15 WrapperNode [2021-11-23 13:30:15,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:30:15,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:30:15,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:30:15,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:30:15,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,378 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 55, calls inlined = 97, statements flattened = 773 [2021-11-23 13:30:15,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:30:15,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:30:15,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:30:15,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:30:15,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:30:15,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:30:15,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:30:15,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:30:15,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (1/1) ... [2021-11-23 13:30:15,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:30:15,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:30:15,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:30:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:30:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:30:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:30:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:30:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:30:15,701 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:30:15,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:30:16,314 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:30:16,329 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:30:16,330 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 13:30:16,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:16 BoogieIcfgContainer [2021-11-23 13:30:16,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:30:16,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:30:16,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:30:16,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:30:16,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:30:14" (1/3) ... [2021-11-23 13:30:16,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74138123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:30:16, skipping insertion in model container [2021-11-23 13:30:16,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:15" (2/3) ... [2021-11-23 13:30:16,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74138123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:30:16, skipping insertion in model container [2021-11-23 13:30:16,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:16" (3/3) ... [2021-11-23 13:30:16,347 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-11-23 13:30:16,358 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:30:16,358 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 13:30:16,441 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:30:16,454 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 13:30:16,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 13:30:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 189 states have (on average 1.3756613756613756) internal successors, (260), 192 states have internal predecessors, (260), 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 13:30:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 13:30:16,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:16,512 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 13:30:16,514 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 13:30:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:16,521 INFO L85 PathProgramCache]: Analyzing trace with hash 332867256, now seen corresponding path program 1 times [2021-11-23 13:30:16,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:16,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682256046] [2021-11-23 13:30:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:16,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:16,857 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 13:30:16,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:16,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682256046] [2021-11-23 13:30:16,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682256046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:16,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:16,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:30:16,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708397191] [2021-11-23 13:30:16,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:16,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:30:16,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:16,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:30:16,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:30:16,911 INFO L87 Difference]: Start difference. First operand has 193 states, 189 states have (on average 1.3756613756613756) internal successors, (260), 192 states have internal predecessors, (260), 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 13:30:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:16,975 INFO L93 Difference]: Finished difference Result 376 states and 509 transitions. [2021-11-23 13:30:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:30:16,978 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 13:30:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:16,991 INFO L225 Difference]: With dead ends: 376 [2021-11-23 13:30:16,991 INFO L226 Difference]: Without dead ends: 183 [2021-11-23 13:30:16,996 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 13:30:17,000 INFO L933 BasicCegarLoop]: 250 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, 250 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 13:30:17,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:17,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-23 13:30:17,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-23 13:30:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 180 states have (on average 1.3444444444444446) internal successors, (242), 182 states have internal predecessors, (242), 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 13:30:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 242 transitions. [2021-11-23 13:30:17,066 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 242 transitions. Word has length 17 [2021-11-23 13:30:17,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:17,066 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 242 transitions. [2021-11-23 13:30:17,067 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 13:30:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2021-11-23 13:30:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 13:30:17,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:17,069 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 13:30:17,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:30:17,070 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 13:30:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:17,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1306806820, now seen corresponding path program 1 times [2021-11-23 13:30:17,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:17,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291530985] [2021-11-23 13:30:17,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:17,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:17,159 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 13:30:17,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:17,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291530985] [2021-11-23 13:30:17,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291530985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:17,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:17,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:30:17,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970215043] [2021-11-23 13:30:17,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:17,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:30:17,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:17,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:30:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:30:17,172 INFO L87 Difference]: Start difference. First operand 183 states and 242 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 13:30:17,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:17,201 INFO L93 Difference]: Finished difference Result 183 states and 242 transitions. [2021-11-23 13:30:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:30:17,202 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 13:30:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:17,211 INFO L225 Difference]: With dead ends: 183 [2021-11-23 13:30:17,211 INFO L226 Difference]: Without dead ends: 76 [2021-11-23 13:30:17,216 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 13:30:17,221 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 92 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 105 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 13:30:17,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-23 13:30:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-23 13:30:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.3333333333333333) internal successors, (100), 75 states have internal predecessors, (100), 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 13:30:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2021-11-23 13:30:17,245 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 18 [2021-11-23 13:30:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:17,245 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2021-11-23 13:30:17,246 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 13:30:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2021-11-23 13:30:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 13:30:17,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:17,247 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 13:30:17,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:30:17,248 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 13:30:17,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:17,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1598171756, now seen corresponding path program 1 times [2021-11-23 13:30:17,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:17,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987053536] [2021-11-23 13:30:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:17,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:17,387 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 13:30:17,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:17,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987053536] [2021-11-23 13:30:17,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987053536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:17,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:17,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:17,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016639308] [2021-11-23 13:30:17,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:17,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:30:17,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:17,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:30:17,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:30:17,395 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 13:30:17,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:17,543 INFO L93 Difference]: Finished difference Result 243 states and 326 transitions. [2021-11-23 13:30:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:30:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 13:30:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:17,546 INFO L225 Difference]: With dead ends: 243 [2021-11-23 13:30:17,546 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 13:30:17,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:30:17,549 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 360 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:17,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 534 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:17,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 13:30:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 101. [2021-11-23 13:30:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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 13:30:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 135 transitions. [2021-11-23 13:30:17,583 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 135 transitions. Word has length 24 [2021-11-23 13:30:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:17,583 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 135 transitions. [2021-11-23 13:30:17,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 13:30:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2021-11-23 13:30:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 13:30:17,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:17,585 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] [2021-11-23 13:30:17,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:30:17,586 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 13:30:17,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:17,587 INFO L85 PathProgramCache]: Analyzing trace with hash -372230775, now seen corresponding path program 1 times [2021-11-23 13:30:17,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:17,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833673132] [2021-11-23 13:30:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:17,755 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 13:30:17,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833673132] [2021-11-23 13:30:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833673132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:17,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:17,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:30:17,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007835302] [2021-11-23 13:30:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:17,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:30:17,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:17,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:30:17,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:30:17,760 INFO L87 Difference]: Start difference. First operand 101 states and 135 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 13:30:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:18,260 INFO L93 Difference]: Finished difference Result 725 states and 996 transitions. [2021-11-23 13:30:18,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 13:30:18,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2021-11-23 13:30:18,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:18,269 INFO L225 Difference]: With dead ends: 725 [2021-11-23 13:30:18,271 INFO L226 Difference]: Without dead ends: 631 [2021-11-23 13:30:18,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-11-23 13:30:18,279 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 876 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:18,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [876 Valid, 1086 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:30:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-11-23 13:30:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 271. [2021-11-23 13:30:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3296296296296297) internal successors, (359), 270 states have internal predecessors, (359), 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 13:30:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 359 transitions. [2021-11-23 13:30:18,394 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 359 transitions. Word has length 28 [2021-11-23 13:30:18,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:18,394 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 359 transitions. [2021-11-23 13:30:18,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 13:30:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 359 transitions. [2021-11-23 13:30:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 13:30:18,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:18,398 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] [2021-11-23 13:30:18,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:30:18,399 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 13:30:18,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1829147890, now seen corresponding path program 1 times [2021-11-23 13:30:18,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:18,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353470682] [2021-11-23 13:30:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:18,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:30:18,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:18,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353470682] [2021-11-23 13:30:18,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353470682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:18,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:18,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:30:18,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725865671] [2021-11-23 13:30:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:18,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:30:18,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:30:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:30:18,454 INFO L87 Difference]: Start difference. First operand 271 states and 359 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 13:30:18,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:18,518 INFO L93 Difference]: Finished difference Result 588 states and 781 transitions. [2021-11-23 13:30:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:30:18,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-23 13:30:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:18,522 INFO L225 Difference]: With dead ends: 588 [2021-11-23 13:30:18,522 INFO L226 Difference]: Without dead ends: 324 [2021-11-23 13:30:18,523 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 13:30:18,525 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 58 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:18,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 141 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-23 13:30:18,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 322. [2021-11-23 13:30:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.2866043613707165) internal successors, (413), 321 states have internal predecessors, (413), 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 13:30:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 413 transitions. [2021-11-23 13:30:18,569 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 413 transitions. Word has length 30 [2021-11-23 13:30:18,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:18,569 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 413 transitions. [2021-11-23 13:30:18,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 13:30:18,570 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 413 transitions. [2021-11-23 13:30:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 13:30:18,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:18,574 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 13:30:18,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:30:18,574 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 13:30:18,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:18,575 INFO L85 PathProgramCache]: Analyzing trace with hash -849158257, now seen corresponding path program 1 times [2021-11-23 13:30:18,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:18,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693669111] [2021-11-23 13:30:18,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:18,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:30:18,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:18,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693669111] [2021-11-23 13:30:18,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693669111] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:30:18,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714469942] [2021-11-23 13:30:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:18,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:30:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:30:18,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:30:18,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:30:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:18,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 13:30:18,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:30:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:30:18,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:30:18,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714469942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:18,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:30:18,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-11-23 13:30:18,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225698691] [2021-11-23 13:30:18,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:30:18,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:18,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:30:18,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:18,982 INFO L87 Difference]: Start difference. First operand 322 states and 413 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:30:19,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:19,081 INFO L93 Difference]: Finished difference Result 716 states and 933 transitions. [2021-11-23 13:30:19,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:30:19,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-23 13:30:19,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:19,086 INFO L225 Difference]: With dead ends: 716 [2021-11-23 13:30:19,087 INFO L226 Difference]: Without dead ends: 485 [2021-11-23 13:30:19,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:19,089 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:19,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 364 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:19,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-11-23 13:30:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 471. [2021-11-23 13:30:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 470 states have (on average 1.3) internal successors, (611), 470 states have internal predecessors, (611), 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 13:30:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 611 transitions. [2021-11-23 13:30:19,146 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 611 transitions. Word has length 48 [2021-11-23 13:30:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:19,146 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 611 transitions. [2021-11-23 13:30:19,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:30:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 611 transitions. [2021-11-23 13:30:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 13:30:19,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:19,150 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:30:19,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:30:19,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:30:19,377 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 13:30:19,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash -247231701, now seen corresponding path program 1 times [2021-11-23 13:30:19,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:19,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562001816] [2021-11-23 13:30:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:19,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 13:30:19,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:19,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562001816] [2021-11-23 13:30:19,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562001816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:19,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:19,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:19,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500271545] [2021-11-23 13:30:19,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:19,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:19,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:19,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:19,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:19,452 INFO L87 Difference]: Start difference. First operand 471 states and 611 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:30:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:19,603 INFO L93 Difference]: Finished difference Result 1435 states and 1856 transitions. [2021-11-23 13:30:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:30:19,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:30:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:19,612 INFO L225 Difference]: With dead ends: 1435 [2021-11-23 13:30:19,612 INFO L226 Difference]: Without dead ends: 971 [2021-11-23 13:30:19,615 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 13:30:19,616 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 178 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 476 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 13:30:19,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 476 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:19,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2021-11-23 13:30:19,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 492. [2021-11-23 13:30:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 491 states have (on average 1.2871690427698574) internal successors, (632), 491 states have internal predecessors, (632), 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 13:30:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 632 transitions. [2021-11-23 13:30:19,723 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 632 transitions. Word has length 65 [2021-11-23 13:30:19,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:19,725 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 632 transitions. [2021-11-23 13:30:19,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:30:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 632 transitions. [2021-11-23 13:30:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 13:30:19,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:19,728 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:30:19,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:30:19,729 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 13:30:19,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:19,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1144624979, now seen corresponding path program 1 times [2021-11-23 13:30:19,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:19,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353759306] [2021-11-23 13:30:19,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:19,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 13:30:19,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:19,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353759306] [2021-11-23 13:30:19,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353759306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:19,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:19,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:30:19,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160268750] [2021-11-23 13:30:19,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:19,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:19,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:19,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:19,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:19,932 INFO L87 Difference]: Start difference. First operand 492 states and 632 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 13:30:20,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:20,092 INFO L93 Difference]: Finished difference Result 985 states and 1267 transitions. [2021-11-23 13:30:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:30:20,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 13:30:20,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:20,097 INFO L225 Difference]: With dead ends: 985 [2021-11-23 13:30:20,097 INFO L226 Difference]: Without dead ends: 500 [2021-11-23 13:30:20,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 13:30:20,099 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:20,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 365 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:30:20,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-11-23 13:30:20,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 460. [2021-11-23 13:30:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.2854030501089324) internal successors, (590), 459 states have internal predecessors, (590), 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 13:30:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 590 transitions. [2021-11-23 13:30:20,169 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 590 transitions. Word has length 65 [2021-11-23 13:30:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:20,169 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 590 transitions. [2021-11-23 13:30:20,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 13:30:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 590 transitions. [2021-11-23 13:30:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 13:30:20,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:20,171 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, 1, 1] [2021-11-23 13:30:20,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:30:20,172 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 13:30:20,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:20,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1100929814, now seen corresponding path program 1 times [2021-11-23 13:30:20,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:20,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550456670] [2021-11-23 13:30:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:20,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 13:30:20,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:20,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550456670] [2021-11-23 13:30:20,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550456670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:20,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:20,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:20,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289137593] [2021-11-23 13:30:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:20,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:20,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:20,238 INFO L87 Difference]: Start difference. First operand 460 states and 590 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 13:30:20,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:20,438 INFO L93 Difference]: Finished difference Result 1788 states and 2332 transitions. [2021-11-23 13:30:20,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:30:20,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 67 [2021-11-23 13:30:20,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:20,451 INFO L225 Difference]: With dead ends: 1788 [2021-11-23 13:30:20,451 INFO L226 Difference]: Without dead ends: 1389 [2021-11-23 13:30:20,452 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 13:30:20,456 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 380 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:20,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 564 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:20,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2021-11-23 13:30:20,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 466. [2021-11-23 13:30:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 465 states have (on average 1.281720430107527) internal successors, (596), 465 states have internal predecessors, (596), 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 13:30:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 596 transitions. [2021-11-23 13:30:20,568 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 596 transitions. Word has length 67 [2021-11-23 13:30:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:20,568 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 596 transitions. [2021-11-23 13:30:20,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 13:30:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 596 transitions. [2021-11-23 13:30:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 13:30:20,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:20,570 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, 1, 1] [2021-11-23 13:30:20,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 13:30:20,571 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 13:30:20,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash -842764376, now seen corresponding path program 1 times [2021-11-23 13:30:20,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:20,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471693728] [2021-11-23 13:30:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:20,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 13:30:20,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:20,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471693728] [2021-11-23 13:30:20,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471693728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:20,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:20,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:20,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814963217] [2021-11-23 13:30:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:20,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:20,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:20,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:20,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:20,668 INFO L87 Difference]: Start difference. First operand 466 states and 596 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 13:30:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:20,940 INFO L93 Difference]: Finished difference Result 1305 states and 1665 transitions. [2021-11-23 13:30:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:30:20,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 67 [2021-11-23 13:30:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:20,951 INFO L225 Difference]: With dead ends: 1305 [2021-11-23 13:30:20,951 INFO L226 Difference]: Without dead ends: 1303 [2021-11-23 13:30:20,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 13:30:20,953 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 385 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:20,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 688 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:30:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2021-11-23 13:30:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 466. [2021-11-23 13:30:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 465 states have (on average 1.270967741935484) internal successors, (591), 465 states have internal predecessors, (591), 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 13:30:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 591 transitions. [2021-11-23 13:30:21,033 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 591 transitions. Word has length 67 [2021-11-23 13:30:21,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:21,034 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 591 transitions. [2021-11-23 13:30:21,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 13:30:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 591 transitions. [2021-11-23 13:30:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 13:30:21,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:21,037 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, 1, 1, 1, 1] [2021-11-23 13:30:21,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 13:30:21,037 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 13:30:21,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:21,038 INFO L85 PathProgramCache]: Analyzing trace with hash 481300222, now seen corresponding path program 1 times [2021-11-23 13:30:21,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:21,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065756171] [2021-11-23 13:30:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:21,153 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 13:30:21,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:21,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065756171] [2021-11-23 13:30:21,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065756171] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:30:21,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16363174] [2021-11-23 13:30:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:21,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:30:21,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:30:21,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:30:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 13:30:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:21,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 13:30:21,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:30:21,471 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 13:30:21,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:30:21,611 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 13:30:21,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16363174] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:30:21,612 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 13:30:21,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2021-11-23 13:30:21,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950401299] [2021-11-23 13:30:21,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 13:30:21,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:30:21,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:30:21,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:30:21,614 INFO L87 Difference]: Start difference. First operand 466 states and 591 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 13:30:21,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:21,917 INFO L93 Difference]: Finished difference Result 1338 states and 1694 transitions. [2021-11-23 13:30:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 13:30:21,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 69 [2021-11-23 13:30:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:21,924 INFO L225 Difference]: With dead ends: 1338 [2021-11-23 13:30:21,924 INFO L226 Difference]: Without dead ends: 933 [2021-11-23 13:30:21,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-23 13:30:21,926 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 628 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:21,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 1186 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:30:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-11-23 13:30:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 417. [2021-11-23 13:30:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.2548076923076923) internal successors, (522), 416 states have internal predecessors, (522), 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 13:30:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 522 transitions. [2021-11-23 13:30:21,994 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 522 transitions. Word has length 69 [2021-11-23 13:30:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:21,994 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 522 transitions. [2021-11-23 13:30:21,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 13:30:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 522 transitions. [2021-11-23 13:30:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 13:30:21,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:21,996 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, 1, 1, 1, 1] [2021-11-23 13:30:22,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:30:22,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 13:30:22,221 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 13:30:22,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:22,222 INFO L85 PathProgramCache]: Analyzing trace with hash 767482247, now seen corresponding path program 2 times [2021-11-23 13:30:22,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:22,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103420899] [2021-11-23 13:30:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:22,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:22,319 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 13:30:22,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:22,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103420899] [2021-11-23 13:30:22,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103420899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:22,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:22,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:22,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609569351] [2021-11-23 13:30:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:22,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:22,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:22,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:22,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:22,322 INFO L87 Difference]: Start difference. First operand 417 states and 522 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 13:30:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:22,530 INFO L93 Difference]: Finished difference Result 1282 states and 1625 transitions. [2021-11-23 13:30:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:30:22,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 97 [2021-11-23 13:30:22,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:22,537 INFO L225 Difference]: With dead ends: 1282 [2021-11-23 13:30:22,537 INFO L226 Difference]: Without dead ends: 925 [2021-11-23 13:30:22,538 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 13:30:22,539 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 294 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:22,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 396 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:30:22,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-11-23 13:30:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 641. [2021-11-23 13:30:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 640 states have (on average 1.253125) internal successors, (802), 640 states have internal predecessors, (802), 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 13:30:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 802 transitions. [2021-11-23 13:30:22,640 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 802 transitions. Word has length 97 [2021-11-23 13:30:22,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:22,641 INFO L470 AbstractCegarLoop]: Abstraction has 641 states and 802 transitions. [2021-11-23 13:30:22,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 13:30:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 802 transitions. [2021-11-23 13:30:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 13:30:22,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:22,643 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, 1, 1, 1, 1] [2021-11-23 13:30:22,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 13:30:22,644 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:30:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1015628741, now seen corresponding path program 1 times [2021-11-23 13:30:22,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:22,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338410906] [2021-11-23 13:30:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:22,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:22,715 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 13:30:22,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:22,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338410906] [2021-11-23 13:30:22,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338410906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:22,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:22,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:30:22,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975202243] [2021-11-23 13:30:22,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:22,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:30:22,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:22,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:30:22,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:30:22,718 INFO L87 Difference]: Start difference. First operand 641 states and 802 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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 13:30:22,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:22,969 INFO L93 Difference]: Finished difference Result 1720 states and 2172 transitions. [2021-11-23 13:30:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 13:30:22,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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 97 [2021-11-23 13:30:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:22,978 INFO L225 Difference]: With dead ends: 1720 [2021-11-23 13:30:22,978 INFO L226 Difference]: Without dead ends: 1138 [2021-11-23 13:30:22,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-23 13:30:22,981 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 428 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:22,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 491 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2021-11-23 13:30:23,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 584. [2021-11-23 13:30:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 583 states have (on average 1.2504288164665522) internal successors, (729), 583 states have internal predecessors, (729), 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 13:30:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 729 transitions. [2021-11-23 13:30:23,091 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 729 transitions. Word has length 97 [2021-11-23 13:30:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:23,091 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 729 transitions. [2021-11-23 13:30:23,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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 13:30:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 729 transitions. [2021-11-23 13:30:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 13:30:23,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:23,094 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, 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] [2021-11-23 13:30:23,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 13:30:23,094 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:30:23,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1903025505, now seen corresponding path program 1 times [2021-11-23 13:30:23,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:23,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181566496] [2021-11-23 13:30:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:23,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 13:30:23,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:23,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181566496] [2021-11-23 13:30:23,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181566496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:23,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:30:23,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:30:23,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651052781] [2021-11-23 13:30:23,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:23,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:30:23,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:23,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:30:23,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:23,155 INFO L87 Difference]: Start difference. First operand 584 states and 729 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 13:30:23,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:23,275 INFO L93 Difference]: Finished difference Result 1077 states and 1350 transitions. [2021-11-23 13:30:23,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:30:23,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 102 [2021-11-23 13:30:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:23,279 INFO L225 Difference]: With dead ends: 1077 [2021-11-23 13:30:23,280 INFO L226 Difference]: Without dead ends: 550 [2021-11-23 13:30:23,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 13:30:23,282 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 178 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:23,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 165 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:23,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-11-23 13:30:23,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2021-11-23 13:30:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 549 states have (on average 1.2258652094717668) internal successors, (673), 549 states have internal predecessors, (673), 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 13:30:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 673 transitions. [2021-11-23 13:30:23,363 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 673 transitions. Word has length 102 [2021-11-23 13:30:23,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:23,364 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 673 transitions. [2021-11-23 13:30:23,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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 13:30:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 673 transitions. [2021-11-23 13:30:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 13:30:23,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:30:23,366 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:30:23,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 13:30:23,367 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:30:23,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:30:23,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2091860145, now seen corresponding path program 1 times [2021-11-23 13:30:23,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:30:23,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397447688] [2021-11-23 13:30:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:23,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:30:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 13:30:23,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:30:23,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397447688] [2021-11-23 13:30:23,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397447688] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:30:23,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9729571] [2021-11-23 13:30:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:30:23,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:30:23,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:30:23,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:30:23,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 13:30:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:30:23,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:30:23,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:30:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 13:30:23,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:30:23,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9729571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:30:23,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:30:23,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-11-23 13:30:23,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041071800] [2021-11-23 13:30:23,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:30:23,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:30:23,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:30:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:30:23,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:30:23,820 INFO L87 Difference]: Start difference. First operand 550 states and 673 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 13:30:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:30:23,895 INFO L93 Difference]: Finished difference Result 930 states and 1143 transitions. [2021-11-23 13:30:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:30:23,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 126 [2021-11-23 13:30:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:30:23,896 INFO L225 Difference]: With dead ends: 930 [2021-11-23 13:30:23,896 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:30:23,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:30:23,898 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 79 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:30:23,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 248 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:30:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:30:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:30:23,900 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 13:30:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:30:23,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2021-11-23 13:30:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:30:23,900 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:30:23,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 13:30:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:30:23,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:30:23,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 13:30:23,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 13:30:23,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 13:30:23,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:30:24,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-23 13:30:24,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:30:31,009 WARN L227 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 13:30:36,265 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 144 DAG size of output: 139 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 13:30:51,642 WARN L227 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 262 DAG size of output: 247 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 13:31:09,295 INFO L854 garLoopResultBuilder]: At program point L299-11(lines 292 308) the Hoare annotation is: false [2021-11-23 13:31:09,295 INFO L858 garLoopResultBuilder]: For program point L299-12(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,295 INFO L854 garLoopResultBuilder]: At program point L299-14(lines 292 308) the Hoare annotation is: false [2021-11-23 13:31:09,295 INFO L858 garLoopResultBuilder]: For program point L299-15(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,296 INFO L854 garLoopResultBuilder]: At program point L299-17(lines 292 308) the Hoare annotation is: false [2021-11-23 13:31:09,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,296 INFO L858 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,296 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,296 INFO L858 garLoopResultBuilder]: For program point L630-2(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,296 INFO L854 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: false [2021-11-23 13:31:09,296 INFO L854 garLoopResultBuilder]: At program point L333-1(lines 328 336) the Hoare annotation is: false [2021-11-23 13:31:09,297 INFO L854 garLoopResultBuilder]: At program point L333-2(lines 328 336) the Hoare annotation is: false [2021-11-23 13:31:09,297 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-11-23 13:31:09,297 INFO L858 garLoopResultBuilder]: For program point L168-2(lines 162 175) no Hoare annotation was computed. [2021-11-23 13:31:09,297 INFO L854 garLoopResultBuilder]: At program point L631(lines 626 633) the Hoare annotation is: false [2021-11-23 13:31:09,298 INFO L854 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)))) [2021-11-23 13:31:09,298 INFO L854 garLoopResultBuilder]: At program point L631-1(lines 626 633) the Hoare annotation is: false [2021-11-23 13:31:09,298 INFO L854 garLoopResultBuilder]: At program point L598-1(lines 593 601) the Hoare annotation is: false [2021-11-23 13:31:09,298 INFO L854 garLoopResultBuilder]: At program point L631-2(lines 626 633) the Hoare annotation is: false [2021-11-23 13:31:09,298 INFO L854 garLoopResultBuilder]: At program point L598-2(lines 593 601) the Hoare annotation is: false [2021-11-23 13:31:09,299 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2021-11-23 13:31:09,299 INFO L858 garLoopResultBuilder]: For program point L103-3(lines 103 109) no Hoare annotation was computed. [2021-11-23 13:31:09,299 INFO L858 garLoopResultBuilder]: For program point L103-6(lines 103 109) no Hoare annotation was computed. [2021-11-23 13:31:09,299 INFO L854 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: false [2021-11-23 13:31:09,299 INFO L854 garLoopResultBuilder]: At program point L566-1(lines 561 569) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,300 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 561 569) the Hoare annotation is: false [2021-11-23 13:31:09,300 INFO L854 garLoopResultBuilder]: At program point L566-3(lines 561 569) the Hoare annotation is: false [2021-11-23 13:31:09,300 INFO L854 garLoopResultBuilder]: At program point L566-4(lines 561 569) the Hoare annotation is: false [2021-11-23 13:31:09,300 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,300 INFO L854 garLoopResultBuilder]: At program point L566-5(lines 561 569) the Hoare annotation is: false [2021-11-23 13:31:09,300 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,301 INFO L858 garLoopResultBuilder]: For program point L401-3(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,301 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,301 INFO L858 garLoopResultBuilder]: For program point L401-5(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,301 INFO L854 garLoopResultBuilder]: At program point L236-1(lines 232 256) the Hoare annotation is: false [2021-11-23 13:31:09,301 INFO L858 garLoopResultBuilder]: For program point L401-6(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,302 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,302 INFO L854 garLoopResultBuilder]: At program point L236-3(lines 232 256) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~5#1|) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-11-23 13:31:09,302 INFO L858 garLoopResultBuilder]: For program point L401-8(lines 401 405) no Hoare annotation was computed. [2021-11-23 13:31:09,302 INFO L858 garLoopResultBuilder]: For program point L236-4(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,302 INFO L854 garLoopResultBuilder]: At program point L236-5(lines 232 256) the Hoare annotation is: false [2021-11-23 13:31:09,303 INFO L858 garLoopResultBuilder]: For program point L236-6(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,303 INFO L854 garLoopResultBuilder]: At program point L236-7(lines 232 256) the Hoare annotation is: false [2021-11-23 13:31:09,303 INFO L858 garLoopResultBuilder]: For program point L236-8(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,303 INFO L854 garLoopResultBuilder]: At program point L236-9(lines 232 256) the Hoare annotation is: false [2021-11-23 13:31:09,303 INFO L858 garLoopResultBuilder]: For program point L236-10(lines 236 253) no Hoare annotation was computed. [2021-11-23 13:31:09,304 INFO L854 garLoopResultBuilder]: At program point L236-11(lines 232 256) the Hoare annotation is: false [2021-11-23 13:31:09,304 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 210) no Hoare annotation was computed. [2021-11-23 13:31:09,304 INFO L858 garLoopResultBuilder]: For program point L204-2(lines 203 222) no Hoare annotation was computed. [2021-11-23 13:31:09,304 INFO L858 garLoopResultBuilder]: For program point L204-3(lines 204 210) no Hoare annotation was computed. [2021-11-23 13:31:09,304 INFO L858 garLoopResultBuilder]: For program point L204-5(lines 203 222) no Hoare annotation was computed. [2021-11-23 13:31:09,305 INFO L858 garLoopResultBuilder]: For program point L204-6(lines 204 210) no Hoare annotation was computed. [2021-11-23 13:31:09,305 INFO L858 garLoopResultBuilder]: For program point L204-8(lines 203 222) no Hoare annotation was computed. [2021-11-23 13:31:09,305 INFO L854 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: false [2021-11-23 13:31:09,305 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,305 INFO L858 garLoopResultBuilder]: For program point L240-3(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,306 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 13:31:09,306 INFO L858 garLoopResultBuilder]: For program point L240-6(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,306 INFO L858 garLoopResultBuilder]: For program point L240-9(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,306 INFO L858 garLoopResultBuilder]: For program point L240-12(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,306 INFO L858 garLoopResultBuilder]: For program point L240-15(lines 240 248) no Hoare annotation was computed. [2021-11-23 13:31:09,306 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-11-23 13:31:09,307 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,307 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-11-23 13:31:09,307 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-11-23 13:31:09,307 INFO L854 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~3#1| 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~6#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,308 INFO L854 garLoopResultBuilder]: At program point L407-1(lines 392 410) the Hoare annotation is: false [2021-11-23 13:31:09,308 INFO L854 garLoopResultBuilder]: At program point L407-2(lines 392 410) the Hoare annotation is: false [2021-11-23 13:31:09,308 INFO L858 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,308 INFO L858 garLoopResultBuilder]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L858 garLoopResultBuilder]: For program point L606-2(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L858 garLoopResultBuilder]: For program point L606-3(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L858 garLoopResultBuilder]: For program point L606-4(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L858 garLoopResultBuilder]: For program point L606-5(lines 606 612) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-11-23 13:31:09,309 INFO L854 garLoopResultBuilder]: At program point L541-2(lines 537 548) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-11-23 13:31:09,310 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-11-23 13:31:09,310 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 442 446) no Hoare annotation was computed. [2021-11-23 13:31:09,310 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2021-11-23 13:31:09,310 INFO L858 garLoopResultBuilder]: For program point L211-3(lines 211 217) no Hoare annotation was computed. [2021-11-23 13:31:09,310 INFO L858 garLoopResultBuilder]: For program point L211-5(lines 211 217) no Hoare annotation was computed. [2021-11-23 13:31:09,311 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-11-23 13:31:09,311 INFO L858 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2021-11-23 13:31:09,311 INFO L854 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2021-11-23 13:31:09,311 INFO L854 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: false [2021-11-23 13:31:09,312 INFO L854 garLoopResultBuilder]: At program point L611-1(lines 602 615) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-11-23 13:31:09,312 INFO L854 garLoopResultBuilder]: At program point L611-2(lines 602 615) the Hoare annotation is: false [2021-11-23 13:31:09,312 INFO L854 garLoopResultBuilder]: At program point L611-3(lines 602 615) the Hoare annotation is: false [2021-11-23 13:31:09,312 INFO L854 garLoopResultBuilder]: At program point L611-4(lines 602 615) the Hoare annotation is: false [2021-11-23 13:31:09,312 INFO L854 garLoopResultBuilder]: At program point L611-5(lines 602 615) the Hoare annotation is: false [2021-11-23 13:31:09,313 INFO L854 garLoopResultBuilder]: At program point L314(lines 309 316) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:31:09,313 INFO L854 garLoopResultBuilder]: At program point L314-1(lines 309 316) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~3#1| 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (not (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0)) (= |ULTIMATE.start_isLowWaterLevel_~tmp~6#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,313 INFO L854 garLoopResultBuilder]: At program point L314-2(lines 309 316) the Hoare annotation is: false [2021-11-23 13:31:09,313 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 309 316) the Hoare annotation is: false [2021-11-23 13:31:09,314 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 13:31:09,314 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2021-11-23 13:31:09,314 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,314 INFO L858 garLoopResultBuilder]: For program point L415-2(lines 415 421) no Hoare annotation was computed. [2021-11-23 13:31:09,314 INFO L858 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,314 INFO L858 garLoopResultBuilder]: For program point L382-3(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,315 INFO L858 garLoopResultBuilder]: For program point L382-5(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,315 INFO L858 garLoopResultBuilder]: For program point L382-6(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,315 INFO L858 garLoopResultBuilder]: For program point L382-8(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,315 INFO L858 garLoopResultBuilder]: For program point L382-9(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,315 INFO L858 garLoopResultBuilder]: For program point L382-11(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,316 INFO L858 garLoopResultBuilder]: For program point L382-12(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,316 INFO L858 garLoopResultBuilder]: For program point L382-14(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,316 INFO L858 garLoopResultBuilder]: For program point L382-15(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,316 INFO L858 garLoopResultBuilder]: For program point L382-17(lines 382 386) no Hoare annotation was computed. [2021-11-23 13:31:09,316 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:31:09,317 INFO L861 garLoopResultBuilder]: At program point L185(lines 122 187) the Hoare annotation is: true [2021-11-23 13:31:09,317 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2021-11-23 13:31:09,317 INFO L858 garLoopResultBuilder]: For program point L152-2(lines 152 158) no Hoare annotation was computed. [2021-11-23 13:31:09,317 INFO L861 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2021-11-23 13:31:09,317 INFO L854 garLoopResultBuilder]: At program point L221(lines 200 223) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0#1|))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-11-23 13:31:09,318 INFO L854 garLoopResultBuilder]: At program point L221-1(lines 200 223) the Hoare annotation is: false [2021-11-23 13:31:09,318 INFO L854 garLoopResultBuilder]: At program point L221-2(lines 200 223) the Hoare annotation is: false [2021-11-23 13:31:09,318 INFO L854 garLoopResultBuilder]: At program point L486(lines 482 488) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2021-11-23 13:31:09,318 INFO L861 garLoopResultBuilder]: At program point L453(lines 428 457) the Hoare annotation is: true [2021-11-23 13:31:09,319 INFO L854 garLoopResultBuilder]: At program point L288(lines 283 290) the Hoare annotation is: false [2021-11-23 13:31:09,319 INFO L854 garLoopResultBuilder]: At program point L288-1(lines 283 290) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,319 INFO L854 garLoopResultBuilder]: At program point L288-2(lines 283 290) the Hoare annotation is: false [2021-11-23 13:31:09,319 INFO L854 garLoopResultBuilder]: At program point L288-3(lines 283 290) the Hoare annotation is: false [2021-11-23 13:31:09,319 INFO L854 garLoopResultBuilder]: At program point L288-4(lines 283 290) the Hoare annotation is: false [2021-11-23 13:31:09,320 INFO L854 garLoopResultBuilder]: At program point L288-5(lines 283 290) the Hoare annotation is: false [2021-11-23 13:31:09,320 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-11-23 13:31:09,320 INFO L854 garLoopResultBuilder]: At program point L553-2(lines 549 560) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse0 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0#1|)) (and .cse3 .cse4 .cse5 .cse1 .cse2))) [2021-11-23 13:31:09,320 INFO L854 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: false [2021-11-23 13:31:09,320 INFO L854 garLoopResultBuilder]: At program point L388-1(lines 373 391) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~5#1|) (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0) .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-11-23 13:31:09,321 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 373 391) the Hoare annotation is: false [2021-11-23 13:31:09,321 INFO L854 garLoopResultBuilder]: At program point L388-3(lines 373 391) the Hoare annotation is: false [2021-11-23 13:31:09,321 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:31:09,321 INFO L854 garLoopResultBuilder]: At program point L388-4(lines 373 391) the Hoare annotation is: false [2021-11-23 13:31:09,321 INFO L854 garLoopResultBuilder]: At program point L388-5(lines 373 391) the Hoare annotation is: false [2021-11-23 13:31:09,322 INFO L854 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,322 INFO L854 garLoopResultBuilder]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2021-11-23 13:31:09,322 INFO L854 garLoopResultBuilder]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2021-11-23 13:31:09,322 INFO L854 garLoopResultBuilder]: At program point L423(lines 411 425) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|)) (and (= |ULTIMATE.start_main_~tmp~7#1| 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-11-23 13:31:09,322 INFO L854 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: false [2021-11-23 13:31:09,323 INFO L854 garLoopResultBuilder]: At program point L324-1(lines 317 327) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,323 INFO L854 garLoopResultBuilder]: At program point L324-2(lines 317 327) the Hoare annotation is: false [2021-11-23 13:31:09,323 INFO L854 garLoopResultBuilder]: At program point L324-3(lines 317 327) the Hoare annotation is: false [2021-11-23 13:31:09,323 INFO L854 garLoopResultBuilder]: At program point L324-4(lines 317 327) the Hoare annotation is: false [2021-11-23 13:31:09,323 INFO L854 garLoopResultBuilder]: At program point L324-5(lines 317 327) the Hoare annotation is: false [2021-11-23 13:31:09,324 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:31:09,324 INFO L854 garLoopResultBuilder]: At program point L228(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,324 INFO L854 garLoopResultBuilder]: At program point L228-1(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,324 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2021-11-23 13:31:09,324 INFO L854 garLoopResultBuilder]: At program point L228-2(lines 224 230) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~5#1|) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2021-11-23 13:31:09,325 INFO L854 garLoopResultBuilder]: At program point L228-3(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,325 INFO L854 garLoopResultBuilder]: At program point L228-4(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,325 INFO L854 garLoopResultBuilder]: At program point L228-5(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,325 INFO L854 garLoopResultBuilder]: At program point L228-6(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,325 INFO L854 garLoopResultBuilder]: At program point L228-7(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,326 INFO L854 garLoopResultBuilder]: At program point L228-8(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,326 INFO L854 garLoopResultBuilder]: At program point L228-9(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,326 INFO L854 garLoopResultBuilder]: At program point L228-10(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,326 INFO L854 garLoopResultBuilder]: At program point L228-11(lines 224 230) the Hoare annotation is: false [2021-11-23 13:31:09,326 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2021-11-23 13:31:09,327 INFO L854 garLoopResultBuilder]: At program point L262-1(lines 258 282) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-11-23 13:31:09,327 INFO L858 garLoopResultBuilder]: For program point L262-2(lines 262 279) no Hoare annotation was computed. [2021-11-23 13:31:09,327 INFO L854 garLoopResultBuilder]: At program point L262-3(lines 258 282) the Hoare annotation is: false [2021-11-23 13:31:09,327 INFO L858 garLoopResultBuilder]: For program point L262-4(lines 262 279) no Hoare annotation was computed. [2021-11-23 13:31:09,327 INFO L854 garLoopResultBuilder]: At program point L262-5(lines 258 282) the Hoare annotation is: false [2021-11-23 13:31:09,328 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:31:09,328 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-23 13:31:09,328 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2021-11-23 13:31:09,328 INFO L854 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0#1|))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-11-23 13:31:09,328 INFO L854 garLoopResultBuilder]: At program point L132-2(lines 132 179) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse5 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse1 (<= 1 ~waterLevel~0) .cse6) (and .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse1 .cse6 .cse2))) [2021-11-23 13:31:09,329 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 99 112) no Hoare annotation was computed. [2021-11-23 13:31:09,329 INFO L854 garLoopResultBuilder]: At program point L99-3(lines 91 115) the Hoare annotation is: false [2021-11-23 13:31:09,329 INFO L858 garLoopResultBuilder]: For program point L99-4(lines 99 112) no Hoare annotation was computed. [2021-11-23 13:31:09,329 INFO L854 garLoopResultBuilder]: At program point L99-5(lines 91 115) the Hoare annotation is: false [2021-11-23 13:31:09,329 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-23 13:31:09,330 INFO L861 garLoopResultBuilder]: At program point L496(lines 489 498) the Hoare annotation is: true [2021-11-23 13:31:09,330 INFO L854 garLoopResultBuilder]: At program point L529-2(lines 525 536) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,330 INFO L858 garLoopResultBuilder]: For program point L529-3(lines 529 533) no Hoare annotation was computed. [2021-11-23 13:31:09,330 INFO L854 garLoopResultBuilder]: At program point L529-5(lines 525 536) the Hoare annotation is: false [2021-11-23 13:31:09,330 INFO L858 garLoopResultBuilder]: For program point L529-6(lines 529 533) no Hoare annotation was computed. [2021-11-23 13:31:09,331 INFO L854 garLoopResultBuilder]: At program point L529-8(lines 525 536) the Hoare annotation is: false [2021-11-23 13:31:09,331 INFO L858 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2021-11-23 13:31:09,331 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,331 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2021-11-23 13:31:09,331 INFO L854 garLoopResultBuilder]: At program point L299-2(lines 292 308) the Hoare annotation is: false [2021-11-23 13:31:09,332 INFO L858 garLoopResultBuilder]: For program point L299-3(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,332 INFO L858 garLoopResultBuilder]: For program point L266-3(lines 266 274) no Hoare annotation was computed. [2021-11-23 13:31:09,332 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-11-23 13:31:09,332 INFO L854 garLoopResultBuilder]: At program point L299-5(lines 292 308) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:31:09,332 INFO L858 garLoopResultBuilder]: For program point L299-6(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,332 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 13:31:09,333 INFO L858 garLoopResultBuilder]: For program point L266-6(lines 266 274) no Hoare annotation was computed. [2021-11-23 13:31:09,333 INFO L854 garLoopResultBuilder]: At program point L299-8(lines 292 308) the Hoare annotation is: false [2021-11-23 13:31:09,333 INFO L858 garLoopResultBuilder]: For program point L299-9(lines 299 305) no Hoare annotation was computed. [2021-11-23 13:31:09,337 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:31:09,339 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:31:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:31:09 BoogieIcfgContainer [2021-11-23 13:31:09,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:31:09,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:31:09,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:31:09,379 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:31:09,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:16" (3/4) ... [2021-11-23 13:31:09,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:31:09,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-23 13:31:09,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 13:31:09,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:31:09,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:31:09,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:31:09,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:31:09,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:31:09,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-11-23 13:31:09,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive [2021-11-23 13:31:09,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) [2021-11-23 13:31:09,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 13:31:09,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) [2021-11-23 13:31:09,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 [2021-11-23 13:31:09,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-23 13:31:09,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) [2021-11-23 13:31:09,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-23 13:31:09,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) [2021-11-23 13:31:09,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && !(tmp___0 == 0)) && \result == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-23 13:31:09,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && tmp___0 == 0) && 1 <= tmp) && \result == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && !(tmp___0 == 0)) && \result == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && !(tmp == 0)) && tmp == 0) && !(0 == systemActive) [2021-11-23 13:31:09,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) [2021-11-23 13:31:09,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-23 13:31:09,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-23 13:31:09,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-23 13:31:09,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-23 13:31:09,573 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:31:09,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:31:09,574 INFO L158 Benchmark]: Toolchain (without parser) took 54918.94ms. Allocated memory was 94.4MB in the beginning and 559.9MB in the end (delta: 465.6MB). Free memory was 63.2MB in the beginning and 318.6MB in the end (delta: -255.4MB). Peak memory consumption was 213.1MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,575 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:31:09,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.22ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 44.0MB in the end (delta: 19.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.89ms. Allocated memory is still 94.4MB. Free memory was 44.0MB in the beginning and 40.1MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,579 INFO L158 Benchmark]: Boogie Preprocessor took 71.97ms. Allocated memory is still 94.4MB. Free memory was 39.9MB in the beginning and 37.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,580 INFO L158 Benchmark]: RCFGBuilder took 880.89ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 37.4MB in the beginning and 98.8MB in the end (delta: -61.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,580 INFO L158 Benchmark]: TraceAbstraction took 53039.86ms. Allocated memory was 144.7MB in the beginning and 559.9MB in the end (delta: 415.2MB). Free memory was 98.5MB in the beginning and 333.3MB in the end (delta: -234.8MB). Peak memory consumption was 322.0MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,581 INFO L158 Benchmark]: Witness Printer took 194.88ms. Allocated memory is still 559.9MB. Free memory was 333.3MB in the beginning and 318.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 13:31:09,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.22ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 44.0MB in the end (delta: 19.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.89ms. Allocated memory is still 94.4MB. Free memory was 44.0MB in the beginning and 40.1MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.97ms. Allocated memory is still 94.4MB. Free memory was 39.9MB in the beginning and 37.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 880.89ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 37.4MB in the beginning and 98.8MB in the end (delta: -61.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 53039.86ms. Allocated memory was 144.7MB in the beginning and 559.9MB in the end (delta: 415.2MB). Free memory was 98.5MB in the beginning and 333.3MB in the end (delta: -234.8MB). Peak memory consumption was 322.0MB. Max. memory is 16.1GB. * Witness Printer took 194.88ms. Allocated memory is still 559.9MB. Free memory was 333.3MB in the beginning and 318.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: 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, 193 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 52.9s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 45.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4159 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4159 mSDsluCounter, 7059 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4807 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 542 IncrementalHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 2252 mSDtfsCounter, 542 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 351 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 4082 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 99 LocationsWithAnnotation, 99 PreInvPairs, 233 NumberOfFragments, 908 HoareAnnotationTreeSize, 99 FomulaSimplifications, 124780 FormulaSimplificationTreeSizeReduction, 37.1s HoareSimplificationTime, 99 FomulaSimplificationsInter, 1427545 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1163 NumberOfCodeBlocks, 1163 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1269 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 548/573 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && !(tmp___0 == 0)) && \result == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && !(tmp___0 == 0)) && \result == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && !(tmp == 0)) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && tmp___0 == 0) && 1 <= tmp) && \result == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:31:09,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354fbf77-4bed-4a91-8760-22420a0e9b98/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE