./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8 --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 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:18:28,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:18:28,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:18:28,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:18:28,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:18:28,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:18:28,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:18:28,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:18:28,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:18:28,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:18:28,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:18:28,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:18:28,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:18:28,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:18:28,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:18:28,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:18:28,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:18:28,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:18:28,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:18:28,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:18:28,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:18:28,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:18:28,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:18:28,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:18:28,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:18:28,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:18:28,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:18:28,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:18:28,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:18:28,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:18:28,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:18:28,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:18:28,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:18:28,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:18:28,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:18:28,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:18:28,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:18:28,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:18:28,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:18:28,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:18:28,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:18:28,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 15:18:28,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:18:28,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:18:28,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:18:28,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:18:28,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:18:28,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:18:28,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:18:28,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:18:28,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:18:28,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:18:28,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:18:28,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:18:28,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:18:28,403 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 540d5c4f35934e1abeb0886e7556fb35e244ff515a3f2091d43a3a4e43fb5fb5 [2022-12-13 15:18:28,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:18:28,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:18:28,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:18:28,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:18:28,604 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:18:28,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2022-12-13 15:18:31,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:18:31,480 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:18:31,481 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2022-12-13 15:18:31,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/data/60285abc8/38ceb074d6bc400099e49e3fb6303ab1/FLAGd5b03bb6d [2022-12-13 15:18:31,503 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/data/60285abc8/38ceb074d6bc400099e49e3fb6303ab1 [2022-12-13 15:18:31,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:18:31,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:18:31,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:18:31,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:18:31,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:18:31,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:18:31" (1/1) ... [2022-12-13 15:18:31,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4985cca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:31, skipping insertion in model container [2022-12-13 15:18:31,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:18:31" (1/1) ... [2022-12-13 15:18:31,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:18:31,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:18:31,744 WARN L237 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_cdb84596-57d6-4205-91df-5193b9e98420/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2022-12-13 15:18:31,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:18:32,002 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:18:32,023 WARN L237 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_cdb84596-57d6-4205-91df-5193b9e98420/sv-benchmarks/c/eca-rers2012/Problem16_label02.c[6387,6400] [2022-12-13 15:18:32,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:18:32,156 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:18:32,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32 WrapperNode [2022-12-13 15:18:32,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:18:32,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:18:32,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:18:32,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:18:32,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,264 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-12-13 15:18:32,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:18:32,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:18:32,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:18:32,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:18:32,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:18:32,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:18:32,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:18:32,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:18:32,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (1/1) ... [2022-12-13 15:18:32,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:18:32,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:18:32,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:18:32,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:18:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:18:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:18:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:18:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:18:32,502 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:18:32,503 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:18:34,247 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:18:34,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:18:34,257 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 15:18:34,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:18:34 BoogieIcfgContainer [2022-12-13 15:18:34,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:18:34,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:18:34,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:18:34,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:18:34,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:18:31" (1/3) ... [2022-12-13 15:18:34,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d69ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:18:34, skipping insertion in model container [2022-12-13 15:18:34,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:18:32" (2/3) ... [2022-12-13 15:18:34,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d69ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:18:34, skipping insertion in model container [2022-12-13 15:18:34,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:18:34" (3/3) ... [2022-12-13 15:18:34,269 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label02.c [2022-12-13 15:18:34,288 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:18:34,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:18:34,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:18:34,351 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71dcec20, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:18:34,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:18:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) [2022-12-13 15:18:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 15:18:34,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:34,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:34,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2022-12-13 15:18:34,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:34,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424812264] [2022-12-13 15:18:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:34,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:34,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:34,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424812264] [2022-12-13 15:18:34,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424812264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:34,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:34,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383771563] [2022-12-13 15:18:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:34,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:34,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:34,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:34,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:34,692 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) [2022-12-13 15:18:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:36,452 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2022-12-13 15:18:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:36,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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 61 [2022-12-13 15:18:36,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:36,464 INFO L225 Difference]: With dead ends: 1137 [2022-12-13 15:18:36,464 INFO L226 Difference]: Without dead ends: 662 [2022-12-13 15:18:36,467 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:18:36,469 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 323 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:36,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:18:36,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-12-13 15:18:36,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-12-13 15:18:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 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) [2022-12-13 15:18:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2022-12-13 15:18:36,525 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 61 [2022-12-13 15:18:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:36,525 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2022-12-13 15:18:36,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 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) [2022-12-13 15:18:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2022-12-13 15:18:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 15:18:36,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:36,531 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 15:18:36,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:18:36,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:36,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash 804089513, now seen corresponding path program 1 times [2022-12-13 15:18:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:36,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114340678] [2022-12-13 15:18:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:36,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:36,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114340678] [2022-12-13 15:18:36,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114340678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:36,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:36,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:36,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815736634] [2022-12-13 15:18:36,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:36,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:36,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:36,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:36,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:36,655 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2022-12-13 15:18:37,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:37,829 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2022-12-13 15:18:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:37,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 127 [2022-12-13 15:18:37,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:37,833 INFO L225 Difference]: With dead ends: 1980 [2022-12-13 15:18:37,833 INFO L226 Difference]: Without dead ends: 1320 [2022-12-13 15:18:37,835 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:18:37,836 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:37,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 15:18:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-12-13 15:18:37,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-12-13 15:18:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 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) [2022-12-13 15:18:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2022-12-13 15:18:37,873 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 127 [2022-12-13 15:18:37,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:37,874 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2022-12-13 15:18:37,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2022-12-13 15:18:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2022-12-13 15:18:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 15:18:37,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:37,876 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 15:18:37,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:18:37,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:37,878 INFO L85 PathProgramCache]: Analyzing trace with hash 601628073, now seen corresponding path program 1 times [2022-12-13 15:18:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:37,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786076351] [2022-12-13 15:18:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:38,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786076351] [2022-12-13 15:18:38,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786076351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:38,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:38,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729284180] [2022-12-13 15:18:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:38,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:38,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:38,030 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2022-12-13 15:18:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:39,092 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2022-12-13 15:18:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:39,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 128 [2022-12-13 15:18:39,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:39,098 INFO L225 Difference]: With dead ends: 3296 [2022-12-13 15:18:39,098 INFO L226 Difference]: Without dead ends: 1978 [2022-12-13 15:18:39,099 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:18:39,100 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:39,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:18:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-12-13 15:18:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2022-12-13 15:18:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 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) [2022-12-13 15:18:39,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2022-12-13 15:18:39,138 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 128 [2022-12-13 15:18:39,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:39,139 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2022-12-13 15:18:39,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2022-12-13 15:18:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2022-12-13 15:18:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-13 15:18:39,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:39,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:39,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:18:39,143 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:39,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:39,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1357591119, now seen corresponding path program 1 times [2022-12-13 15:18:39,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:39,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431331668] [2022-12-13 15:18:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:39,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:39,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:39,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431331668] [2022-12-13 15:18:39,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431331668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:39,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:39,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:18:39,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610023037] [2022-12-13 15:18:39,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:39,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:39,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:39,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:39,304 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 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) [2022-12-13 15:18:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:40,488 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2022-12-13 15:18:40,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:40,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 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 220 [2022-12-13 15:18:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:40,499 INFO L225 Difference]: With dead ends: 5928 [2022-12-13 15:18:40,499 INFO L226 Difference]: Without dead ends: 3952 [2022-12-13 15:18:40,501 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:18:40,502 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:40,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 257 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 15:18:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-12-13 15:18:40,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-12-13 15:18:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 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) [2022-12-13 15:18:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2022-12-13 15:18:40,548 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 220 [2022-12-13 15:18:40,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:40,548 INFO L495 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2022-12-13 15:18:40,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 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) [2022-12-13 15:18:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2022-12-13 15:18:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 15:18:40,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:40,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:40,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:18:40,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:40,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1544183199, now seen corresponding path program 1 times [2022-12-13 15:18:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:40,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827599131] [2022-12-13 15:18:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:18:40,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:40,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827599131] [2022-12-13 15:18:40,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827599131] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:18:40,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495367249] [2022-12-13 15:18:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:40,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:18:40,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:18:40,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:18:40,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:18:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:40,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:18:40,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:18:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 15:18:41,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:18:41,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495367249] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:41,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:18:41,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 15:18:41,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044791476] [2022-12-13 15:18:41,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:41,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:41,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:41,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:18:41,290 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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) [2022-12-13 15:18:42,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:42,210 INFO L93 Difference]: Finished difference Result 5270 states and 6254 transitions. [2022-12-13 15:18:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:42,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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 304 [2022-12-13 15:18:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:42,219 INFO L225 Difference]: With dead ends: 5270 [2022-12-13 15:18:42,219 INFO L226 Difference]: Without dead ends: 5268 [2022-12-13 15:18:42,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:18:42,221 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:42,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 158 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:18:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-12-13 15:18:42,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 4610. [2022-12-13 15:18:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.2013451941852897) internal successors, (5537), 4609 states have internal predecessors, (5537), 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) [2022-12-13 15:18:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5537 transitions. [2022-12-13 15:18:42,272 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5537 transitions. Word has length 304 [2022-12-13 15:18:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:42,272 INFO L495 AbstractCegarLoop]: Abstraction has 4610 states and 5537 transitions. [2022-12-13 15:18:42,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 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) [2022-12-13 15:18:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5537 transitions. [2022-12-13 15:18:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-12-13 15:18:42,277 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:42,278 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:42,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:18:42,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:18:42,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:42,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2079847568, now seen corresponding path program 1 times [2022-12-13 15:18:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:42,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250130834] [2022-12-13 15:18:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 15:18:43,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:43,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250130834] [2022-12-13 15:18:43,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250130834] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:43,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:43,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536879985] [2022-12-13 15:18:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:43,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:18:43,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:18:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:18:43,005 INFO L87 Difference]: Start difference. First operand 4610 states and 5537 transitions. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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) [2022-12-13 15:18:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:44,283 INFO L93 Difference]: Finished difference Result 9588 states and 11454 transitions. [2022-12-13 15:18:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:18:44,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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 413 [2022-12-13 15:18:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:44,291 INFO L225 Difference]: With dead ends: 9588 [2022-12-13 15:18:44,291 INFO L226 Difference]: Without dead ends: 4980 [2022-12-13 15:18:44,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:18:44,294 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:44,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 15:18:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2022-12-13 15:18:44,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 4939. [2022-12-13 15:18:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.1891454029971649) internal successors, (5872), 4938 states have internal predecessors, (5872), 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) [2022-12-13 15:18:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5872 transitions. [2022-12-13 15:18:44,347 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5872 transitions. Word has length 413 [2022-12-13 15:18:44,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:44,348 INFO L495 AbstractCegarLoop]: Abstraction has 4939 states and 5872 transitions. [2022-12-13 15:18:44,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 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) [2022-12-13 15:18:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5872 transitions. [2022-12-13 15:18:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-12-13 15:18:44,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:44,355 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:44,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:18:44,355 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:44,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:44,356 INFO L85 PathProgramCache]: Analyzing trace with hash -832462339, now seen corresponding path program 1 times [2022-12-13 15:18:44,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:44,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627555090] [2022-12-13 15:18:44,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:44,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-12-13 15:18:45,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:45,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627555090] [2022-12-13 15:18:45,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627555090] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:18:45,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692134911] [2022-12-13 15:18:45,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:18:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:18:45,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:18:45,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:18:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:45,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:18:45,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:18:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-12-13 15:18:45,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:18:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-12-13 15:18:49,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692134911] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:18:49,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:18:49,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-13 15:18:49,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473544021] [2022-12-13 15:18:49,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:18:49,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:18:49,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:49,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:18:49,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:18:49,208 INFO L87 Difference]: Start difference. First operand 4939 states and 5872 transitions. Second operand has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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) [2022-12-13 15:18:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:55,822 INFO L93 Difference]: Finished difference Result 16785 states and 20176 transitions. [2022-12-13 15:18:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:18:55,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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 475 [2022-12-13 15:18:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:55,845 INFO L225 Difference]: With dead ends: 16785 [2022-12-13 15:18:55,845 INFO L226 Difference]: Without dead ends: 12177 [2022-12-13 15:18:55,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:18:55,849 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1549 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 3539 mSolverCounterSat, 1710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1710 IncrementalHoareTripleChecker+Valid, 3539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:55,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 36 Invalid, 5249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1710 Valid, 3539 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 15:18:55,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2022-12-13 15:18:55,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 10861. [2022-12-13 15:18:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.1918968692449357) internal successors, (12944), 10860 states have internal predecessors, (12944), 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) [2022-12-13 15:18:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 12944 transitions. [2022-12-13 15:18:55,997 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 12944 transitions. Word has length 475 [2022-12-13 15:18:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:55,997 INFO L495 AbstractCegarLoop]: Abstraction has 10861 states and 12944 transitions. [2022-12-13 15:18:55,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 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) [2022-12-13 15:18:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 12944 transitions. [2022-12-13 15:18:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2022-12-13 15:18:56,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:56,010 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:56,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:18:56,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:18:56,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:56,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1917555893, now seen corresponding path program 1 times [2022-12-13 15:18:56,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:56,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678421774] [2022-12-13 15:18:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 15:18:56,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:56,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678421774] [2022-12-13 15:18:56,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678421774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:56,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:56,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:18:56,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957182732] [2022-12-13 15:18:56,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:56,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:18:56,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:18:56,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:18:56,548 INFO L87 Difference]: Start difference. First operand 10861 states and 12944 transitions. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2022-12-13 15:18:57,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:57,797 INFO L93 Difference]: Finished difference Result 25339 states and 30660 transitions. [2022-12-13 15:18:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:18:57,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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 562 [2022-12-13 15:18:57,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:57,825 INFO L225 Difference]: With dead ends: 25339 [2022-12-13 15:18:57,825 INFO L226 Difference]: Without dead ends: 14809 [2022-12-13 15:18:57,836 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:18:57,837 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 171 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:57,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 595 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 15:18:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2022-12-13 15:18:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14151. [2022-12-13 15:18:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.1548409893992932) internal successors, (16341), 14150 states have internal predecessors, (16341), 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) [2022-12-13 15:18:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 16341 transitions. [2022-12-13 15:18:58,010 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 16341 transitions. Word has length 562 [2022-12-13 15:18:58,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:58,010 INFO L495 AbstractCegarLoop]: Abstraction has 14151 states and 16341 transitions. [2022-12-13 15:18:58,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2022-12-13 15:18:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 16341 transitions. [2022-12-13 15:18:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-12-13 15:18:58,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:58,016 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:58,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:18:58,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash 788273314, now seen corresponding path program 1 times [2022-12-13 15:18:58,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:58,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851503049] [2022-12-13 15:18:58,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:58,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:18:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:18:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-12-13 15:18:58,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:18:58,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851503049] [2022-12-13 15:18:58,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851503049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:18:58,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:18:58,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:18:58,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964714485] [2022-12-13 15:18:58,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:18:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:18:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:18:58,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:18:58,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:18:58,471 INFO L87 Difference]: Start difference. First operand 14151 states and 16341 transitions. Second operand has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:18:59,817 INFO L93 Difference]: Finished difference Result 27047 states and 31373 transitions. [2022-12-13 15:18:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:18:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 566 [2022-12-13 15:18:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:18:59,829 INFO L225 Difference]: With dead ends: 27047 [2022-12-13 15:18:59,829 INFO L226 Difference]: Without dead ends: 13248 [2022-12-13 15:18:59,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:18:59,834 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 293 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:18:59,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 286 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 15:18:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13248 states. [2022-12-13 15:18:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13248 to 11908. [2022-12-13 15:18:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11908 states, 11907 states have (on average 1.0703787687914672) internal successors, (12745), 11907 states have internal predecessors, (12745), 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) [2022-12-13 15:18:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11908 states to 11908 states and 12745 transitions. [2022-12-13 15:18:59,965 INFO L78 Accepts]: Start accepts. Automaton has 11908 states and 12745 transitions. Word has length 566 [2022-12-13 15:18:59,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:18:59,966 INFO L495 AbstractCegarLoop]: Abstraction has 11908 states and 12745 transitions. [2022-12-13 15:18:59,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:18:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 11908 states and 12745 transitions. [2022-12-13 15:18:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2022-12-13 15:18:59,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:18:59,977 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:18:59,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:18:59,978 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:18:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:18:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -854616129, now seen corresponding path program 1 times [2022-12-13 15:18:59,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:18:59,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081004838] [2022-12-13 15:18:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:18:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-12-13 15:19:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:00,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081004838] [2022-12-13 15:19:00,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081004838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:00,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:00,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:00,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849844854] [2022-12-13 15:19:00,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:00,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:00,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:00,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:00,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:19:00,617 INFO L87 Difference]: Start difference. First operand 11908 states and 12745 transitions. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2022-12-13 15:19:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:01,468 INFO L93 Difference]: Finished difference Result 26775 states and 28794 transitions. [2022-12-13 15:19:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:01,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 698 [2022-12-13 15:19:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:01,481 INFO L225 Difference]: With dead ends: 26775 [2022-12-13 15:19:01,481 INFO L226 Difference]: Without dead ends: 15198 [2022-12-13 15:19:01,487 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:19:01,487 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 228 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:01,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 41 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 15:19:01,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15198 states. [2022-12-13 15:19:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15198 to 14869. [2022-12-13 15:19:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14869 states, 14868 states have (on average 1.0737153618509552) internal successors, (15964), 14868 states have internal predecessors, (15964), 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) [2022-12-13 15:19:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14869 states to 14869 states and 15964 transitions. [2022-12-13 15:19:01,626 INFO L78 Accepts]: Start accepts. Automaton has 14869 states and 15964 transitions. Word has length 698 [2022-12-13 15:19:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:01,627 INFO L495 AbstractCegarLoop]: Abstraction has 14869 states and 15964 transitions. [2022-12-13 15:19:01,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2022-12-13 15:19:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 14869 states and 15964 transitions. [2022-12-13 15:19:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-12-13 15:19:01,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:01,634 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:01,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:19:01,634 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:01,634 INFO L85 PathProgramCache]: Analyzing trace with hash 479289470, now seen corresponding path program 1 times [2022-12-13 15:19:01,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:01,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609600724] [2022-12-13 15:19:01,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:01,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 544 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-12-13 15:19:02,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:02,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609600724] [2022-12-13 15:19:02,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609600724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:02,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:02,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:19:02,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669425851] [2022-12-13 15:19:02,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:02,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:19:02,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:19:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:19:02,550 INFO L87 Difference]: Start difference. First operand 14869 states and 15964 transitions. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2022-12-13 15:19:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:03,489 INFO L93 Difference]: Finished difference Result 15259 states and 16361 transitions. [2022-12-13 15:19:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:19:03,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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 722 [2022-12-13 15:19:03,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:03,502 INFO L225 Difference]: With dead ends: 15259 [2022-12-13 15:19:03,502 INFO L226 Difference]: Without dead ends: 15198 [2022-12-13 15:19:03,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:19:03,506 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 505 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:03,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 17 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:19:03,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15198 states. [2022-12-13 15:19:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15198 to 14869. [2022-12-13 15:19:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14869 states, 14868 states have (on average 1.0733118105999462) internal successors, (15958), 14868 states have internal predecessors, (15958), 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) [2022-12-13 15:19:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14869 states to 14869 states and 15958 transitions. [2022-12-13 15:19:03,663 INFO L78 Accepts]: Start accepts. Automaton has 14869 states and 15958 transitions. Word has length 722 [2022-12-13 15:19:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:03,664 INFO L495 AbstractCegarLoop]: Abstraction has 14869 states and 15958 transitions. [2022-12-13 15:19:03,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2022-12-13 15:19:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 14869 states and 15958 transitions. [2022-12-13 15:19:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2022-12-13 15:19:03,677 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:03,677 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:03,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:19:03,678 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:03,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1199607507, now seen corresponding path program 1 times [2022-12-13 15:19:03,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:03,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195223828] [2022-12-13 15:19:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:03,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 786 proven. 156 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-12-13 15:19:04,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:04,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195223828] [2022-12-13 15:19:04,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195223828] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:04,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793826144] [2022-12-13 15:19:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:04,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:04,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:04,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:04,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:19:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:19:04,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:19:05,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:19:05,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793826144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:05,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:19:05,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-12-13 15:19:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130236753] [2022-12-13 15:19:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:05,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:19:05,136 INFO L87 Difference]: Start difference. First operand 14869 states and 15958 transitions. Second operand has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2022-12-13 15:19:05,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:05,967 INFO L93 Difference]: Finished difference Result 32697 states and 35219 transitions. [2022-12-13 15:19:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:05,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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 808 [2022-12-13 15:19:05,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:05,981 INFO L225 Difference]: With dead ends: 32697 [2022-12-13 15:19:05,981 INFO L226 Difference]: Without dead ends: 18159 [2022-12-13 15:19:05,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:19:05,992 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 173 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:05,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 452 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:19:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18159 states. [2022-12-13 15:19:06,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18159 to 17501. [2022-12-13 15:19:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17501 states, 17500 states have (on average 1.0630857142857142) internal successors, (18604), 17500 states have internal predecessors, (18604), 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) [2022-12-13 15:19:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17501 states to 17501 states and 18604 transitions. [2022-12-13 15:19:06,149 INFO L78 Accepts]: Start accepts. Automaton has 17501 states and 18604 transitions. Word has length 808 [2022-12-13 15:19:06,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:06,150 INFO L495 AbstractCegarLoop]: Abstraction has 17501 states and 18604 transitions. [2022-12-13 15:19:06,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2022-12-13 15:19:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17501 states and 18604 transitions. [2022-12-13 15:19:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2022-12-13 15:19:06,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:06,172 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:19:06,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:19:06,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 15:19:06,374 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:06,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:06,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2142221905, now seen corresponding path program 1 times [2022-12-13 15:19:06,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:06,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803628538] [2022-12-13 15:19:06,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:06,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 118 proven. 542 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-13 15:19:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:07,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803628538] [2022-12-13 15:19:07,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803628538] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:07,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895659246] [2022-12-13 15:19:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:07,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:07,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:07,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:19:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:07,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:19:07,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2022-12-13 15:19:07,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:19:07,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895659246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:07,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:19:07,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 15:19:07,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212786586] [2022-12-13 15:19:07,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:07,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:07,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:07,630 INFO L87 Difference]: Start difference. First operand 17501 states and 18604 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-12-13 15:19:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:08,507 INFO L93 Difference]: Finished difference Result 34671 states and 36875 transitions. [2022-12-13 15:19:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:08,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 821 [2022-12-13 15:19:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:08,520 INFO L225 Difference]: With dead ends: 34671 [2022-12-13 15:19:08,520 INFO L226 Difference]: Without dead ends: 17501 [2022-12-13 15:19:08,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 821 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:08,527 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 306 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:08,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 381 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 15:19:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17501 states. [2022-12-13 15:19:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17501 to 17172. [2022-12-13 15:19:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17172 states, 17171 states have (on average 1.0557335041639975) internal successors, (18128), 17171 states have internal predecessors, (18128), 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) [2022-12-13 15:19:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17172 states to 17172 states and 18128 transitions. [2022-12-13 15:19:08,686 INFO L78 Accepts]: Start accepts. Automaton has 17172 states and 18128 transitions. Word has length 821 [2022-12-13 15:19:08,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:08,686 INFO L495 AbstractCegarLoop]: Abstraction has 17172 states and 18128 transitions. [2022-12-13 15:19:08,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-12-13 15:19:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17172 states and 18128 transitions. [2022-12-13 15:19:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-12-13 15:19:08,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:08,696 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-13 15:19:08,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 15:19:08,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 15:19:08,898 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:08,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash -38982213, now seen corresponding path program 1 times [2022-12-13 15:19:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:08,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710501071] [2022-12-13 15:19:08,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:08,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 941 proven. 100 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-12-13 15:19:09,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:09,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710501071] [2022-12-13 15:19:09,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710501071] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:09,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651772010] [2022-12-13 15:19:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:09,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:09,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:09,742 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 15:19:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:10,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 15:19:10,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 249 proven. 851 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-13 15:19:11,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:19:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 308 proven. 792 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-13 15:19:13,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651772010] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:19:13,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:19:13,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2022-12-13 15:19:13,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263031813] [2022-12-13 15:19:13,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:19:13,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:19:13,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:13,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:19:13,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:19:13,746 INFO L87 Difference]: Start difference. First operand 17172 states and 18128 transitions. Second operand has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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) [2022-12-13 15:19:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:20,829 INFO L93 Difference]: Finished difference Result 44608 states and 46942 transitions. [2022-12-13 15:19:20,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-13 15:19:20,829 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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 869 [2022-12-13 15:19:20,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:20,852 INFO L225 Difference]: With dead ends: 44608 [2022-12-13 15:19:20,852 INFO L226 Difference]: Without dead ends: 27645 [2022-12-13 15:19:20,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1765 GetRequests, 1729 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=393, Invalid=1013, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 15:19:20,862 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4292 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11452 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4292 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 11452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:20,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4292 Valid, 139 Invalid, 12496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 11452 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 15:19:20,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27645 states. [2022-12-13 15:19:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27645 to 22107. [2022-12-13 15:19:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22107 states, 22106 states have (on average 1.0499864290237944) internal successors, (23211), 22106 states have internal predecessors, (23211), 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) [2022-12-13 15:19:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22107 states to 22107 states and 23211 transitions. [2022-12-13 15:19:21,096 INFO L78 Accepts]: Start accepts. Automaton has 22107 states and 23211 transitions. Word has length 869 [2022-12-13 15:19:21,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:21,096 INFO L495 AbstractCegarLoop]: Abstraction has 22107 states and 23211 transitions. [2022-12-13 15:19:21,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 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) [2022-12-13 15:19:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 22107 states and 23211 transitions. [2022-12-13 15:19:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 972 [2022-12-13 15:19:21,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:21,109 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:19:21,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 15:19:21,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:21,311 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:21,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:21,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1660609336, now seen corresponding path program 1 times [2022-12-13 15:19:21,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:21,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966923753] [2022-12-13 15:19:21,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:22,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 1131 proven. 258 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-13 15:19:22,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:22,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966923753] [2022-12-13 15:19:22,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966923753] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:22,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389384083] [2022-12-13 15:19:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:22,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:22,546 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:22,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 15:19:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:22,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 15:19:22,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 938 proven. 202 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-12-13 15:19:24,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:19:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 938 proven. 202 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-12-13 15:19:25,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389384083] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:19:25,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:19:25,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-12-13 15:19:25,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421408138] [2022-12-13 15:19:25,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:19:25,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:19:25,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:25,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:19:25,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:19:25,692 INFO L87 Difference]: Start difference. First operand 22107 states and 23211 transitions. Second operand has 12 states, 12 states have (on average 130.58333333333334) internal successors, (1567), 11 states have internal predecessors, (1567), 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) [2022-12-13 15:19:30,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:30,733 INFO L93 Difference]: Finished difference Result 44394 states and 46608 transitions. [2022-12-13 15:19:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 15:19:30,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 130.58333333333334) internal successors, (1567), 11 states have internal predecessors, (1567), 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 971 [2022-12-13 15:19:30,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:30,750 INFO L225 Difference]: With dead ends: 44394 [2022-12-13 15:19:30,751 INFO L226 Difference]: Without dead ends: 22618 [2022-12-13 15:19:30,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1967 GetRequests, 1936 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=841, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 15:19:30,761 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 3421 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9443 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3421 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 9874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 9443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:30,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3421 Valid, 147 Invalid, 9874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 9443 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 15:19:30,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22618 states. [2022-12-13 15:19:30,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22618 to 21120. [2022-12-13 15:19:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21120 states, 21119 states have (on average 1.045693451394479) internal successors, (22084), 21119 states have internal predecessors, (22084), 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) [2022-12-13 15:19:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 22084 transitions. [2022-12-13 15:19:30,973 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 22084 transitions. Word has length 971 [2022-12-13 15:19:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:30,974 INFO L495 AbstractCegarLoop]: Abstraction has 21120 states and 22084 transitions. [2022-12-13 15:19:30,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.58333333333334) internal successors, (1567), 11 states have internal predecessors, (1567), 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) [2022-12-13 15:19:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 22084 transitions. [2022-12-13 15:19:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2022-12-13 15:19:30,988 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:30,988 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-13 15:19:30,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 15:19:31,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:31,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:31,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:31,192 INFO L85 PathProgramCache]: Analyzing trace with hash 484801574, now seen corresponding path program 1 times [2022-12-13 15:19:31,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:31,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539150468] [2022-12-13 15:19:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2268 backedges. 1447 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-12-13 15:19:31,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539150468] [2022-12-13 15:19:31,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539150468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:31,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:31,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:31,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890151677] [2022-12-13 15:19:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:31,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:31,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:31,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:19:31,755 INFO L87 Difference]: Start difference. First operand 21120 states and 22084 transitions. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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) [2022-12-13 15:19:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:32,560 INFO L93 Difference]: Finished difference Result 41909 states and 43835 transitions. [2022-12-13 15:19:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:32,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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 1051 [2022-12-13 15:19:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:32,574 INFO L225 Difference]: With dead ends: 41909 [2022-12-13 15:19:32,574 INFO L226 Difference]: Without dead ends: 21120 [2022-12-13 15:19:32,582 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:19:32,582 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:32,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 447 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:19:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2022-12-13 15:19:32,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 19475. [2022-12-13 15:19:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19475 states, 19474 states have (on average 1.0340967443771183) internal successors, (20138), 19474 states have internal predecessors, (20138), 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) [2022-12-13 15:19:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19475 states to 19475 states and 20138 transitions. [2022-12-13 15:19:32,797 INFO L78 Accepts]: Start accepts. Automaton has 19475 states and 20138 transitions. Word has length 1051 [2022-12-13 15:19:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:32,798 INFO L495 AbstractCegarLoop]: Abstraction has 19475 states and 20138 transitions. [2022-12-13 15:19:32,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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) [2022-12-13 15:19:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19475 states and 20138 transitions. [2022-12-13 15:19:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2022-12-13 15:19:32,816 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:32,817 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-13 15:19:32,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:19:32,817 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:32,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1330054839, now seen corresponding path program 1 times [2022-12-13 15:19:32,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:32,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390083114] [2022-12-13 15:19:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:32,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2022-12-13 15:19:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:33,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390083114] [2022-12-13 15:19:33,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390083114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:33,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:33,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:33,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753584488] [2022-12-13 15:19:33,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:19:33,378 INFO L87 Difference]: Start difference. First operand 19475 states and 20138 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-12-13 15:19:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:34,148 INFO L93 Difference]: Finished difference Result 38619 states and 39943 transitions. [2022-12-13 15:19:34,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:34,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 1088 [2022-12-13 15:19:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:34,161 INFO L225 Difference]: With dead ends: 38619 [2022-12-13 15:19:34,161 INFO L226 Difference]: Without dead ends: 19475 [2022-12-13 15:19:34,167 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:19:34,168 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 271 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:34,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 439 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:19:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19475 states. [2022-12-13 15:19:34,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19475 to 18817. [2022-12-13 15:19:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18817 states, 18816 states have (on average 1.0257759353741496) internal successors, (19301), 18816 states have internal predecessors, (19301), 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) [2022-12-13 15:19:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 19301 transitions. [2022-12-13 15:19:34,348 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 19301 transitions. Word has length 1088 [2022-12-13 15:19:34,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:34,349 INFO L495 AbstractCegarLoop]: Abstraction has 18817 states and 19301 transitions. [2022-12-13 15:19:34,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-12-13 15:19:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 19301 transitions. [2022-12-13 15:19:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2022-12-13 15:19:34,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:34,364 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:34,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:19:34,365 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:34,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:34,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2016459313, now seen corresponding path program 1 times [2022-12-13 15:19:34,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:34,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474136333] [2022-12-13 15:19:34,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:34,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2427 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2022-12-13 15:19:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:35,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474136333] [2022-12-13 15:19:35,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474136333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:35,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:35,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:19:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855635629] [2022-12-13 15:19:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:35,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:19:35,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:35,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:19:35,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:19:35,104 INFO L87 Difference]: Start difference. First operand 18817 states and 19301 transitions. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-12-13 15:19:36,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:36,269 INFO L93 Difference]: Finished difference Result 40288 states and 41317 transitions. [2022-12-13 15:19:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:19:36,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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 1200 [2022-12-13 15:19:36,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:36,283 INFO L225 Difference]: With dead ends: 40288 [2022-12-13 15:19:36,283 INFO L226 Difference]: Without dead ends: 20791 [2022-12-13 15:19:36,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:19:36,291 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 605 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:36,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 64 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:19:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2022-12-13 15:19:36,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 18159. [2022-12-13 15:19:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18159 states, 18158 states have (on average 1.0253331864742814) internal successors, (18618), 18158 states have internal predecessors, (18618), 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) [2022-12-13 15:19:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18159 states to 18159 states and 18618 transitions. [2022-12-13 15:19:36,477 INFO L78 Accepts]: Start accepts. Automaton has 18159 states and 18618 transitions. Word has length 1200 [2022-12-13 15:19:36,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:36,478 INFO L495 AbstractCegarLoop]: Abstraction has 18159 states and 18618 transitions. [2022-12-13 15:19:36,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-12-13 15:19:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 18159 states and 18618 transitions. [2022-12-13 15:19:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2022-12-13 15:19:36,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:36,497 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 15:19:36,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 15:19:36,497 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1267286605, now seen corresponding path program 1 times [2022-12-13 15:19:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:36,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992211560] [2022-12-13 15:19:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2022-12-13 15:19:37,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:37,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992211560] [2022-12-13 15:19:37,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992211560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:37,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:37,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982264692] [2022-12-13 15:19:37,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:37,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:37,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:37,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:37,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:19:37,291 INFO L87 Difference]: Start difference. First operand 18159 states and 18618 transitions. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 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) [2022-12-13 15:19:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:38,079 INFO L93 Difference]: Finished difference Result 41580 states and 42656 transitions. [2022-12-13 15:19:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:38,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 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) Word has length 1255 [2022-12-13 15:19:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:38,096 INFO L225 Difference]: With dead ends: 41580 [2022-12-13 15:19:38,096 INFO L226 Difference]: Without dead ends: 21778 [2022-12-13 15:19:38,103 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:19:38,103 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 207 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:38,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 433 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:19:38,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21778 states. [2022-12-13 15:19:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21778 to 21120. [2022-12-13 15:19:38,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21120 states, 21119 states have (on average 1.0192717458212983) internal successors, (21526), 21119 states have internal predecessors, (21526), 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) [2022-12-13 15:19:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 21526 transitions. [2022-12-13 15:19:38,309 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 21526 transitions. Word has length 1255 [2022-12-13 15:19:38,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:38,310 INFO L495 AbstractCegarLoop]: Abstraction has 21120 states and 21526 transitions. [2022-12-13 15:19:38,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 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) [2022-12-13 15:19:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 21526 transitions. [2022-12-13 15:19:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2022-12-13 15:19:38,335 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:38,335 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-13 15:19:38,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 15:19:38,335 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:38,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash 158822930, now seen corresponding path program 1 times [2022-12-13 15:19:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:38,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184847795] [2022-12-13 15:19:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:38,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5206 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 2644 trivial. 0 not checked. [2022-12-13 15:19:39,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:39,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184847795] [2022-12-13 15:19:39,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184847795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:19:39,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:19:39,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:19:39,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243321322] [2022-12-13 15:19:39,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:19:39,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:19:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:39,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:19:39,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:19:39,311 INFO L87 Difference]: Start difference. First operand 21120 states and 21526 transitions. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-12-13 15:19:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:40,099 INFO L93 Difference]: Finished difference Result 43883 states and 44765 transitions. [2022-12-13 15:19:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:19:40,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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 1529 [2022-12-13 15:19:40,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:40,115 INFO L225 Difference]: With dead ends: 43883 [2022-12-13 15:19:40,116 INFO L226 Difference]: Without dead ends: 21120 [2022-12-13 15:19:40,123 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:19:40,124 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 205 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:40,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 419 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:19:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2022-12-13 15:19:40,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 19804. [2022-12-13 15:19:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19804 states, 19803 states have (on average 1.0173711053880725) internal successors, (20147), 19803 states have internal predecessors, (20147), 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) [2022-12-13 15:19:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 20147 transitions. [2022-12-13 15:19:40,313 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 20147 transitions. Word has length 1529 [2022-12-13 15:19:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:40,314 INFO L495 AbstractCegarLoop]: Abstraction has 19804 states and 20147 transitions. [2022-12-13 15:19:40,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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) [2022-12-13 15:19:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 20147 transitions. [2022-12-13 15:19:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1557 [2022-12-13 15:19:40,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:40,337 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:40,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 15:19:40,337 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1952310525, now seen corresponding path program 1 times [2022-12-13 15:19:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:40,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825142062] [2022-12-13 15:19:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-12-13 15:19:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:41,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825142062] [2022-12-13 15:19:41,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825142062] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:41,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043280015] [2022-12-13 15:19:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:41,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:41,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:41,962 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:41,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 15:19:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:42,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 15:19:42,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2813 proven. 35 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-12-13 15:19:43,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:19:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4281 backedges. 2526 proven. 322 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-12-13 15:19:46,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043280015] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:19:46,901 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:19:46,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-12-13 15:19:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935533627] [2022-12-13 15:19:46,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:19:46,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:19:46,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:46,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:19:46,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:19:46,904 INFO L87 Difference]: Start difference. First operand 19804 states and 20147 transitions. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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) [2022-12-13 15:19:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:19:48,869 INFO L93 Difference]: Finished difference Result 39424 states and 40108 transitions. [2022-12-13 15:19:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:19:48,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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 1556 [2022-12-13 15:19:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:19:48,886 INFO L225 Difference]: With dead ends: 39424 [2022-12-13 15:19:48,886 INFO L226 Difference]: Without dead ends: 19951 [2022-12-13 15:19:48,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3121 GetRequests, 3114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:19:48,896 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 401 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 3270 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 3371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:19:48,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 590 Invalid, 3371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3270 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:19:48,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19951 states. [2022-12-13 15:19:49,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19951 to 19804. [2022-12-13 15:19:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19804 states, 19803 states have (on average 1.016916628793617) internal successors, (20138), 19803 states have internal predecessors, (20138), 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) [2022-12-13 15:19:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 20138 transitions. [2022-12-13 15:19:49,092 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 20138 transitions. Word has length 1556 [2022-12-13 15:19:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:19:49,093 INFO L495 AbstractCegarLoop]: Abstraction has 19804 states and 20138 transitions. [2022-12-13 15:19:49,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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) [2022-12-13 15:19:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 20138 transitions. [2022-12-13 15:19:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1588 [2022-12-13 15:19:49,116 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:19:49,117 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:19:49,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 15:19:49,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:49,319 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:19:49,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:19:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1620524572, now seen corresponding path program 1 times [2022-12-13 15:19:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:19:49,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531153829] [2022-12-13 15:19:49,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:19:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2591 proven. 288 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-12-13 15:19:52,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:19:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531153829] [2022-12-13 15:19:52,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531153829] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:19:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387916315] [2022-12-13 15:19:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:19:52,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:19:52,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:19:52,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:19:52,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 15:19:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:19:52,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 15:19:52,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:19:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2022-12-13 15:19:54,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:19:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4312 backedges. 2677 proven. 464 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2022-12-13 15:19:55,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387916315] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:19:55,775 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:19:55,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-12-13 15:19:55,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538578693] [2022-12-13 15:19:55,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:19:55,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:19:55,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:19:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:19:55,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:19:55,778 INFO L87 Difference]: Start difference. First operand 19804 states and 20138 transitions. Second operand has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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) [2022-12-13 15:20:04,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:04,869 INFO L93 Difference]: Finished difference Result 41862 states and 42555 transitions. [2022-12-13 15:20:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-12-13 15:20:04,869 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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 1587 [2022-12-13 15:20:04,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:04,885 INFO L225 Difference]: With dead ends: 41862 [2022-12-13 15:20:04,885 INFO L226 Difference]: Without dead ends: 22330 [2022-12-13 15:20:04,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3224 GetRequests, 3189 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 15:20:04,893 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 2546 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 24599 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 24987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 24599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:04,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 392 Invalid, 24987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 24599 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-12-13 15:20:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22330 states. [2022-12-13 15:20:05,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22330 to 20462. [2022-12-13 15:20:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0154440154440154) internal successors, (20777), 20461 states have internal predecessors, (20777), 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) [2022-12-13 15:20:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20777 transitions. [2022-12-13 15:20:05,110 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20777 transitions. Word has length 1587 [2022-12-13 15:20:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:05,110 INFO L495 AbstractCegarLoop]: Abstraction has 20462 states and 20777 transitions. [2022-12-13 15:20:05,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 148.53846153846155) internal successors, (1931), 13 states have internal predecessors, (1931), 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) [2022-12-13 15:20:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20777 transitions. [2022-12-13 15:20:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2222 [2022-12-13 15:20:05,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:05,149 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:05,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 15:20:05,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:20:05,351 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:05,353 INFO L85 PathProgramCache]: Analyzing trace with hash 509097690, now seen corresponding path program 1 times [2022-12-13 15:20:05,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:05,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524455992] [2022-12-13 15:20:05,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:05,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10068 backedges. 6104 proven. 0 refuted. 0 times theorem prover too weak. 3964 trivial. 0 not checked. [2022-12-13 15:20:07,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:07,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524455992] [2022-12-13 15:20:07,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524455992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:07,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:07,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:20:07,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022588242] [2022-12-13 15:20:07,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:07,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:20:07,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:07,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:20:07,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:20:07,898 INFO L87 Difference]: Start difference. First operand 20462 states and 20777 transitions. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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) [2022-12-13 15:20:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:08,613 INFO L93 Difference]: Finished difference Result 40922 states and 41555 transitions. [2022-12-13 15:20:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:20:08,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 2221 [2022-12-13 15:20:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:08,627 INFO L225 Difference]: With dead ends: 40922 [2022-12-13 15:20:08,628 INFO L226 Difference]: Without dead ends: 20791 [2022-12-13 15:20:08,635 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:20:08,636 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:08,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 435 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:20:08,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2022-12-13 15:20:08,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 20133. [2022-12-13 15:20:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20133 states, 20132 states have (on average 1.0156467315716273) internal successors, (20447), 20132 states have internal predecessors, (20447), 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) [2022-12-13 15:20:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 20447 transitions. [2022-12-13 15:20:08,838 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 20447 transitions. Word has length 2221 [2022-12-13 15:20:08,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:08,838 INFO L495 AbstractCegarLoop]: Abstraction has 20133 states and 20447 transitions. [2022-12-13 15:20:08,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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) [2022-12-13 15:20:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 20447 transitions. [2022-12-13 15:20:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2288 [2022-12-13 15:20:08,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:08,895 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-12-13 15:20:08,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 15:20:08,895 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1337090136, now seen corresponding path program 1 times [2022-12-13 15:20:08,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:08,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588922904] [2022-12-13 15:20:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9402 backedges. 6026 proven. 0 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2022-12-13 15:20:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:11,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588922904] [2022-12-13 15:20:11,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588922904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:11,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:11,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:20:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897789452] [2022-12-13 15:20:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:11,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:20:11,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:20:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:20:11,987 INFO L87 Difference]: Start difference. First operand 20133 states and 20447 transitions. Second operand has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 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) [2022-12-13 15:20:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:13,078 INFO L93 Difference]: Finished difference Result 39950 states and 40576 transitions. [2022-12-13 15:20:13,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:20:13,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 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 2287 [2022-12-13 15:20:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:13,097 INFO L225 Difference]: With dead ends: 39950 [2022-12-13 15:20:13,097 INFO L226 Difference]: Without dead ends: 20148 [2022-12-13 15:20:13,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:20:13,104 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 861 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:13,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 435 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:20:13,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20148 states. [2022-12-13 15:20:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20148 to 19804. [2022-12-13 15:20:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19804 states, 19803 states have (on average 1.0151492198151795) internal successors, (20103), 19803 states have internal predecessors, (20103), 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) [2022-12-13 15:20:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 20103 transitions. [2022-12-13 15:20:13,319 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 20103 transitions. Word has length 2287 [2022-12-13 15:20:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:13,320 INFO L495 AbstractCegarLoop]: Abstraction has 19804 states and 20103 transitions. [2022-12-13 15:20:13,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 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) [2022-12-13 15:20:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 20103 transitions. [2022-12-13 15:20:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2317 [2022-12-13 15:20:13,356 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:13,357 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:13,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 15:20:13,357 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:13,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:13,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1916731438, now seen corresponding path program 1 times [2022-12-13 15:20:13,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:13,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956721914] [2022-12-13 15:20:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 11178 backedges. 5495 proven. 2076 refuted. 0 times theorem prover too weak. 3607 trivial. 0 not checked. [2022-12-13 15:20:16,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956721914] [2022-12-13 15:20:16,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956721914] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:20:16,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410558419] [2022-12-13 15:20:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:16,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:20:16,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:20:16,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:20:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 15:20:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:16,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:20:16,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:20:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11178 backedges. 2283 proven. 0 refuted. 0 times theorem prover too weak. 8895 trivial. 0 not checked. [2022-12-13 15:20:16,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:20:16,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410558419] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:16,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:20:16,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 15:20:16,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442208110] [2022-12-13 15:20:16,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:16,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:20:16,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:16,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:20:16,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:16,927 INFO L87 Difference]: Start difference. First operand 19804 states and 20103 transitions. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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) [2022-12-13 15:20:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:17,704 INFO L93 Difference]: Finished difference Result 39276 states and 39872 transitions. [2022-12-13 15:20:17,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:20:17,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 2316 [2022-12-13 15:20:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:17,718 INFO L225 Difference]: With dead ends: 39276 [2022-12-13 15:20:17,718 INFO L226 Difference]: Without dead ends: 19803 [2022-12-13 15:20:17,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2322 GetRequests, 2318 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:17,725 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 219 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:17,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 54 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:20:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19803 states. [2022-12-13 15:20:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19803 to 19474. [2022-12-13 15:20:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19474 states, 19473 states have (on average 1.0118112257998253) internal successors, (19703), 19473 states have internal predecessors, (19703), 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) [2022-12-13 15:20:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19474 states to 19474 states and 19703 transitions. [2022-12-13 15:20:17,935 INFO L78 Accepts]: Start accepts. Automaton has 19474 states and 19703 transitions. Word has length 2316 [2022-12-13 15:20:17,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:17,936 INFO L495 AbstractCegarLoop]: Abstraction has 19474 states and 19703 transitions. [2022-12-13 15:20:17,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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) [2022-12-13 15:20:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 19474 states and 19703 transitions. [2022-12-13 15:20:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2394 [2022-12-13 15:20:17,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:17,973 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:17,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 15:20:18,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 15:20:18,174 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:18,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:18,176 INFO L85 PathProgramCache]: Analyzing trace with hash -954482011, now seen corresponding path program 1 times [2022-12-13 15:20:18,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:18,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275876943] [2022-12-13 15:20:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 8326 proven. 486 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2022-12-13 15:20:22,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:22,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275876943] [2022-12-13 15:20:22,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275876943] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:20:22,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065443244] [2022-12-13 15:20:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:22,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:20:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:20:22,630 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:20:22,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 15:20:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:23,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 2774 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:20:23,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:20:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11447 backedges. 6917 proven. 0 refuted. 0 times theorem prover too weak. 4530 trivial. 0 not checked. [2022-12-13 15:20:23,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:20:23,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065443244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:23,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:20:23,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-12-13 15:20:23,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246347261] [2022-12-13 15:20:23,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:23,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:20:23,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:23,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:20:23,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:20:23,554 INFO L87 Difference]: Start difference. First operand 19474 states and 19703 transitions. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2022-12-13 15:20:24,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:24,268 INFO L93 Difference]: Finished difference Result 38946 states and 39404 transitions. [2022-12-13 15:20:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:20:24,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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 2393 [2022-12-13 15:20:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:24,281 INFO L225 Difference]: With dead ends: 38946 [2022-12-13 15:20:24,281 INFO L226 Difference]: Without dead ends: 19803 [2022-12-13 15:20:24,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2400 GetRequests, 2394 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:20:24,288 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 123 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:24,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 421 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:20:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19803 states. [2022-12-13 15:20:24,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19803 to 19474. [2022-12-13 15:20:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19474 states, 19473 states have (on average 1.0116058131772196) internal successors, (19699), 19473 states have internal predecessors, (19699), 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) [2022-12-13 15:20:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19474 states to 19474 states and 19699 transitions. [2022-12-13 15:20:24,473 INFO L78 Accepts]: Start accepts. Automaton has 19474 states and 19699 transitions. Word has length 2393 [2022-12-13 15:20:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:24,474 INFO L495 AbstractCegarLoop]: Abstraction has 19474 states and 19699 transitions. [2022-12-13 15:20:24,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2022-12-13 15:20:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 19474 states and 19699 transitions. [2022-12-13 15:20:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2470 [2022-12-13 15:20:24,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:24,518 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1] [2022-12-13 15:20:24,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 15:20:24,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 15:20:24,720 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:24,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:24,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1019327256, now seen corresponding path program 1 times [2022-12-13 15:20:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:24,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138435253] [2022-12-13 15:20:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:24,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13074 backedges. 4367 proven. 0 refuted. 0 times theorem prover too weak. 8707 trivial. 0 not checked. [2022-12-13 15:20:26,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:26,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138435253] [2022-12-13 15:20:26,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138435253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:26,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:20:26,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:20:26,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106324182] [2022-12-13 15:20:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:26,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:20:26,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:26,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:20:26,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:20:26,118 INFO L87 Difference]: Start difference. First operand 19474 states and 19699 transitions. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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) [2022-12-13 15:20:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:27,067 INFO L93 Difference]: Finished difference Result 40591 states and 41063 transitions. [2022-12-13 15:20:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:20:27,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 2469 [2022-12-13 15:20:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:27,083 INFO L225 Difference]: With dead ends: 40591 [2022-12-13 15:20:27,083 INFO L226 Difference]: Without dead ends: 21448 [2022-12-13 15:20:27,091 INFO L412 NwaCegarLoop]: 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 [2022-12-13 15:20:27,092 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 198 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:27,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 417 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:20:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21448 states. [2022-12-13 15:20:27,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21448 to 18816. [2022-12-13 15:20:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18816 states, 18815 states have (on average 1.0116927982992294) internal successors, (19035), 18815 states have internal predecessors, (19035), 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) [2022-12-13 15:20:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18816 states to 18816 states and 19035 transitions. [2022-12-13 15:20:27,378 INFO L78 Accepts]: Start accepts. Automaton has 18816 states and 19035 transitions. Word has length 2469 [2022-12-13 15:20:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:27,379 INFO L495 AbstractCegarLoop]: Abstraction has 18816 states and 19035 transitions. [2022-12-13 15:20:27,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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) [2022-12-13 15:20:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 18816 states and 19035 transitions. [2022-12-13 15:20:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2610 [2022-12-13 15:20:27,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:27,433 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1] [2022-12-13 15:20:27,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 15:20:27,434 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:27,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:27,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1341586274, now seen corresponding path program 1 times [2022-12-13 15:20:27,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:27,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592278319] [2022-12-13 15:20:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:27,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 4318 proven. 134 refuted. 0 times theorem prover too weak. 8966 trivial. 0 not checked. [2022-12-13 15:20:31,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592278319] [2022-12-13 15:20:31,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592278319] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:20:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454704254] [2022-12-13 15:20:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:31,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:20:31,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:20:31,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:20:31,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 15:20:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:31,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 2983 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:20:31,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:20:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 3030 proven. 0 refuted. 0 times theorem prover too weak. 10388 trivial. 0 not checked. [2022-12-13 15:20:32,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:20:32,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454704254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:20:32,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:20:32,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-12-13 15:20:32,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447412121] [2022-12-13 15:20:32,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:20:32,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:20:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:20:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:32,072 INFO L87 Difference]: Start difference. First operand 18816 states and 19035 transitions. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-12-13 15:20:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:33,363 INFO L93 Difference]: Finished difference Result 20851 states and 21088 transitions. [2022-12-13 15:20:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:20:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 2609 [2022-12-13 15:20:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:33,377 INFO L225 Difference]: With dead ends: 20851 [2022-12-13 15:20:33,377 INFO L226 Difference]: Without dead ends: 20790 [2022-12-13 15:20:33,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2613 GetRequests, 2608 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:20:33,381 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 363 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:33,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 28 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 15:20:33,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2022-12-13 15:20:33,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 18487. [2022-12-13 15:20:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18487 states, 18486 states have (on average 1.0117386130044357) internal successors, (18703), 18486 states have internal predecessors, (18703), 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) [2022-12-13 15:20:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18487 states to 18487 states and 18703 transitions. [2022-12-13 15:20:33,569 INFO L78 Accepts]: Start accepts. Automaton has 18487 states and 18703 transitions. Word has length 2609 [2022-12-13 15:20:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:33,571 INFO L495 AbstractCegarLoop]: Abstraction has 18487 states and 18703 transitions. [2022-12-13 15:20:33,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-12-13 15:20:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18487 states and 18703 transitions. [2022-12-13 15:20:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2805 [2022-12-13 15:20:33,623 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:20:33,623 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:20:33,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 15:20:33,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-13 15:20:33,825 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:20:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:20:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1482410570, now seen corresponding path program 1 times [2022-12-13 15:20:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:20:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495671182] [2022-12-13 15:20:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:20:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 6252 proven. 5961 refuted. 0 times theorem prover too weak. 2869 trivial. 0 not checked. [2022-12-13 15:20:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:20:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495671182] [2022-12-13 15:20:42,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495671182] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:20:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099506669] [2022-12-13 15:20:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:20:42,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:20:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:20:42,559 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:20:42,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 15:20:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:20:43,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 3205 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 15:20:43,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:20:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2022-12-13 15:20:45,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:20:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2022-12-13 15:20:47,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099506669] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:20:47,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:20:47,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2022-12-13 15:20:47,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135399620] [2022-12-13 15:20:47,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:20:47,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:20:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:20:47,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:20:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:20:47,581 INFO L87 Difference]: Start difference. First operand 18487 states and 18703 transitions. Second operand has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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) [2022-12-13 15:20:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:20:51,681 INFO L93 Difference]: Finished difference Result 37095 states and 37519 transitions. [2022-12-13 15:20:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 15:20:51,682 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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 2804 [2022-12-13 15:20:51,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:20:51,684 INFO L225 Difference]: With dead ends: 37095 [2022-12-13 15:20:51,684 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:20:51,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5646 GetRequests, 5620 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2022-12-13 15:20:51,691 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1619 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 10559 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 10745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 10559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:20:51,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 169 Invalid, 10745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 10559 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 15:20:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:20:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:20:51,691 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) [2022-12-13 15:20:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:20:51,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2804 [2022-12-13 15:20:51,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:20:51,692 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:20:51,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 169.5) internal successors, (2034), 12 states have internal predecessors, (2034), 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) [2022-12-13 15:20:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:20:51,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:20:51,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 15:20:51,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 15:20:51,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 15:20:51,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:21:55,504 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 1121 DAG size of output: 1104 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 15:22:56,663 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 1127 DAG size of output: 1107 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 15:23:11,368 WARN L233 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 1104 DAG size of output: 207 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 15:23:24,898 WARN L233 SmtUtils]: Spent 13.52s on a formula simplification. DAG size of input: 1107 DAG size of output: 207 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-12-13 15:23:28,462 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-13 15:23:28,463 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,464 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-12-13 15:23:28,465 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,466 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,467 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L902 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,468 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-12-13 15:23:28,469 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse34 (+ ~a18~0 156)) (.cse28 (< 134 ~a18~0)) (.cse35 (+ 87 ~a18~0)) (.cse36 (* (div ~a18~0 5) 10))) (let ((.cse17 (< (div (+ .cse36 10) (- 9)) 401986)) (.cse20 (or (< (div .cse36 (- 9)) 401986) (not (= (mod ~a18~0 5) 0)))) (.cse22 (<= .cse35 0)) (.cse0 (<= 0 .cse35)) (.cse11 (<= ~a15~0 3)) (.cse12 (<= 9 ~a12~0)) (.cse25 (not .cse28)) (.cse5 (<= ~a16~0 11)) (.cse1 (= ~a15~0 4)) (.cse27 (= 5 ~a12~0)) (.cse9 (<= ~a18~0 134)) (.cse23 (<= .cse34 0))) (let ((.cse18 (<= ~a18~0 597816)) (.cse21 (<= 594219 ~a18~0)) (.cse2 (<= 10 ~a16~0)) (.cse32 (not .cse23)) (.cse7 (= ~a16~0 12)) (.cse26 (not (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse29 (<= ~a12~0 5)) (.cse24 (= ~a16~0 11)) (.cse4 (<= ~a18~0 594508)) (.cse6 (<= 4 ~a15~0)) (.cse3 (= ~a12~0 6)) (.cse16 (= 7 ~a12~0)) (.cse33 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= 135 ~a18~0))) (.cse31 (= ~a12~0 9)) (.cse15 (or (and .cse1 .cse27) .cse9)) (.cse14 (= ~a16~0 9)) (.cse19 (= ~a12~0 8)) (.cse13 (<= ~a18~0 600002)) (.cse10 (= ~a16~0 8)) (.cse30 (or (and .cse17 .cse11 .cse20 .cse22 .cse12 .cse5) (and .cse0 .cse11 .cse12 .cse25 .cse5))) (.cse8 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse12 .cse5 .cse8 .cse13) (and .cse0 .cse14 .cse11 .cse12 .cse5 .cse8 .cse13) (and .cse0 .cse10 .cse1 .cse5 .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse7 .cse8) (and .cse17 .cse11 .cse2 .cse3 .cse20 .cse5 .cse8 .cse13) (and .cse1 (or (and .cse0 .cse14 .cse5 .cse6 .cse16 .cse9) (and .cse18 .cse14 .cse16 .cse21) (and .cse17 .cse14 .cse20 .cse22 .cse5 .cse6 .cse16))) (and .cse17 .cse14 .cse1 .cse3 .cse20 .cse5 .cse6 .cse9) (and .cse17 .cse23 .cse20 .cse7 .cse12 .cse8) (and .cse17 .cse24 .cse20 .cse25 .cse8 .cse16) (and .cse17 .cse14 .cse1 .cse20 .cse12 .cse9) (and .cse26 .cse10 .cse1 .cse4 .cse27 .cse28) (and .cse17 .cse10 .cse1 .cse19 .cse20 .cse5 .cse15 .cse6) (and .cse17 .cse14 .cse1 .cse19 .cse20 .cse5 .cse6 .cse9) (and .cse17 .cse10 .cse20 .cse22 .cse27 .cse8) (and .cse0 .cse10 .cse27 .cse25 .cse8) (and .cse17 .cse10 .cse1 .cse23 .cse20 .cse22 .cse5 .cse6 .cse16) (and .cse17 .cse29 .cse1 .cse2 .cse20 .cse5 .cse6 .cse9) (and .cse14 .cse30 .cse8) (and .cse3 .cse4 .cse7 .cse8 .cse21) (and .cse17 .cse10 .cse1 .cse3 .cse20 (<= (+ 300160 ~a18~0) 0) .cse5 .cse6 .cse9) (and .cse17 .cse20 .cse7 .cse8 .cse16 .cse9) (and .cse0 .cse14 .cse27 .cse8 .cse13) (and .cse0 .cse7 .cse12 .cse8 .cse9) (and (= ~a16~0 10) (<= 598710 ~a18~0) .cse1 .cse27 .cse13) (and (<= ~a18~0 69306) .cse31 .cse10 .cse1 (<= 69094 ~a18~0)) (and .cse17 .cse11 .cse19 .cse2 .cse20 .cse5 .cse8 .cse13) (and .cse7 .cse27 .cse32 .cse8 .cse9) (and .cse4 .cse7 .cse27 .cse28 .cse8) (and .cse17 .cse1 .cse2 .cse3 .cse20 .cse5 .cse6 .cse9) (and .cse2 .cse27 .cse32 .cse5 .cse8 .cse9) (and .cse17 .cse29 .cse10 .cse1 .cse20 .cse27 .cse5 .cse6 .cse9) (and .cse14 .cse27 .cse32 .cse5 .cse8 .cse9) (and .cse31 .cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)) .cse28 .cse8 .cse13) (and .cse17 .cse33 .cse31 .cse10 .cse1 .cse20 (or .cse26 (< 0 .cse34)) .cse22 .cse5) (and .cse17 .cse10 .cse11 .cse20 .cse22 .cse5 .cse8 .cse16) (and .cse17 .cse29 .cse14 .cse1 .cse20 .cse27 .cse5 .cse6 .cse9) (and .cse24 .cse30 .cse8) (and .cse17 .cse14 .cse11 .cse20 .cse22 .cse5 .cse8 .cse16) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse17 .cse10 .cse11 .cse3 .cse20 .cse5 .cse8 .cse13) (and .cse0 .cse14 .cse8 .cse13 .cse16) (and .cse0 .cse10 .cse19 .cse8 .cse13) (and .cse33 .cse0 .cse31 .cse10 .cse1 .cse15) (and .cse17 .cse14 .cse11 .cse19 .cse20 .cse5 .cse8 .cse13) (and .cse10 .cse30 .cse8))))) [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,470 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,471 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,472 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,473 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-12-13 15:23:28,474 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L895 garLoopResultBuilder]: At program point calculate_output2_returnLabel#1(lines 1504 1775) the Hoare annotation is: (let ((.cse31 (+ ~a18~0 156)) (.cse14 (< 134 ~a18~0)) (.cse32 (+ 87 ~a18~0)) (.cse33 (* (div ~a18~0 5) 10))) (let ((.cse0 (< (div (+ .cse33 10) (- 9)) 401986)) (.cse3 (or (< (div .cse33 (- 9)) 401986) (not (= (mod ~a18~0 5) 0)))) (.cse27 (<= .cse32 0)) (.cse8 (<= 0 .cse32)) (.cse20 (<= 9 ~a12~0)) (.cse22 (not .cse14)) (.cse4 (<= ~a16~0 11)) (.cse19 (<= .cse31 0))) (let ((.cse15 (<= ~a18~0 597816)) (.cse28 (<= 594219 ~a18~0)) (.cse13 (<= ~a18~0 594508)) (.cse2 (= ~a12~0 6)) (.cse18 (<= 4 ~a15~0)) (.cse30 (not .cse19)) (.cse21 (= ~a16~0 11)) (.cse1 (<= 10 ~a16~0)) (.cse12 (= ~a16~0 12)) (.cse16 (= ~a12~0 8)) (.cse6 (<= ~a18~0 600002)) (.cse23 (not (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse25 (not (= |ULTIMATE.start_calculate_output_~input#1| 6))) (.cse26 (= ~a12~0 9)) (.cse29 (or (and .cse0 .cse3 .cse27 .cse20 .cse4) (and .cse8 .cse20 .cse22 .cse4))) (.cse17 (= ~a16~0 9)) (.cse9 (= ~a15~0 4)) (.cse24 (= 5 ~a12~0)) (.cse11 (<= ~a18~0 134)) (.cse7 (= ~a16~0 8)) (.cse5 (= ~a15~0 3)) (.cse10 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse9 .cse10 .cse11) (and .cse8 .cse2 .cse12 .cse5 .cse11) (and .cse7 .cse9 .cse2 .cse13 .cse14) (and .cse0 .cse15 .cse16 .cse3 .cse12 .cse5) (and .cse0 .cse17 .cse9 .cse2 .cse3 .cse4 .cse18 .cse11) (and .cse0 .cse19 .cse3 .cse12 .cse20 .cse5) (and .cse9 .cse1 .cse2 .cse13 .cse4 .cse14) (and .cse0 .cse21 .cse3 .cse22 .cse5 .cse10) (and .cse0 .cse17 .cse9 .cse3 .cse20 .cse11) (and .cse23 .cse7 .cse9 .cse13 .cse24 .cse14) (and .cse25 .cse26 .cse12 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)) .cse14 .cse5 .cse6) (and .cse8 .cse17 .cse20 .cse5 .cse6) (and .cse8 .cse7 .cse9 .cse2 .cse11) (and .cse0 .cse17 .cse9 .cse16 .cse3 .cse4 .cse18 .cse11) (and .cse0 .cse7 .cse9 .cse16 .cse3 .cse4 .cse18 .cse11) (and .cse0 .cse7 .cse9 .cse19 .cse3 .cse27 .cse4 .cse18 .cse10) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) (<= ~a18~0 69306) .cse26 .cse7 .cse9 (<= 69094 ~a18~0)) (and .cse0 .cse7 .cse9 .cse3 .cse24 .cse11) (and .cse2 .cse13 .cse12 .cse5 .cse28) (and .cse0 .cse7 .cse9 .cse2 .cse3 (<= (+ 300160 ~a18~0) 0) .cse4 .cse18 .cse11) (and .cse8 .cse17 .cse24 .cse5 .cse6) (and .cse17 .cse29 .cse5) (and .cse0 .cse17 .cse16 .cse3 .cse4 .cse5 .cse6) (and (or (and .cse15 .cse17 .cse10 .cse28) (and .cse0 .cse17 .cse3 .cse27 .cse4 .cse18 .cse10) (and .cse8 .cse17 .cse10 .cse11)) .cse9) (and .cse8 .cse12 .cse20 .cse5 .cse11) (and (= ~a16~0 10) (<= 598710 ~a18~0) .cse9 .cse24 .cse6) (and .cse0 (<= ~a12~0 5) .cse9 .cse1 .cse3 .cse4 .cse11) (and .cse12 .cse24 .cse30 .cse5 .cse11) (and .cse13 .cse12 .cse24 .cse14 .cse5) (and .cse8 .cse7 .cse20 .cse5 .cse6) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse4 .cse18 .cse11) (and .cse1 .cse24 .cse30 .cse4 .cse5 .cse11) (and .cse17 .cse24 .cse30 .cse4 .cse5 .cse11) (and .cse21 .cse29 .cse5) (and .cse8 .cse12 .cse5 .cse10 .cse11) (and .cse0 .cse16 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse3 .cse24 .cse5 .cse11) (and .cse0 .cse17 .cse3 .cse27 .cse4 .cse5 .cse10) (and .cse0 .cse3 .cse12 .cse27 .cse5 .cse10) (and .cse8 .cse17 .cse5 .cse6 .cse10) (and .cse8 .cse7 .cse16 .cse5 .cse6) (and .cse0 .cse25 .cse26 .cse7 .cse9 .cse3 (or .cse23 (< 0 .cse31)) .cse27) (and .cse8 .cse25 .cse26 .cse7 .cse9 .cse11) (and .cse7 .cse29 .cse5) (and .cse0 .cse17 .cse9 .cse3 .cse24 .cse11) (and .cse0 .cse7 .cse3 .cse27 .cse4 .cse5 .cse10))))) [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,475 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,476 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,477 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-12-13 15:23:28,478 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 33 1502) the Hoare annotation is: (let ((.cse34 (+ ~a18~0 156)) (.cse28 (< 134 ~a18~0)) (.cse35 (+ 87 ~a18~0)) (.cse36 (* (div ~a18~0 5) 10))) (let ((.cse17 (< (div (+ .cse36 10) (- 9)) 401986)) (.cse20 (or (< (div .cse36 (- 9)) 401986) (not (= (mod ~a18~0 5) 0)))) (.cse22 (<= .cse35 0)) (.cse0 (<= 0 .cse35)) (.cse11 (<= ~a15~0 3)) (.cse12 (<= 9 ~a12~0)) (.cse25 (not .cse28)) (.cse5 (<= ~a16~0 11)) (.cse1 (= ~a15~0 4)) (.cse27 (= 5 ~a12~0)) (.cse9 (<= ~a18~0 134)) (.cse23 (<= .cse34 0))) (let ((.cse18 (<= ~a18~0 597816)) (.cse21 (<= 594219 ~a18~0)) (.cse2 (<= 10 ~a16~0)) (.cse32 (not .cse23)) (.cse7 (= ~a16~0 12)) (.cse26 (not (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse29 (<= ~a12~0 5)) (.cse24 (= ~a16~0 11)) (.cse4 (<= ~a18~0 594508)) (.cse6 (<= 4 ~a15~0)) (.cse3 (= ~a12~0 6)) (.cse16 (= 7 ~a12~0)) (.cse33 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= 135 ~a18~0))) (.cse31 (= ~a12~0 9)) (.cse15 (or (and .cse1 .cse27) .cse9)) (.cse14 (= ~a16~0 9)) (.cse19 (= ~a12~0 8)) (.cse13 (<= ~a18~0 600002)) (.cse10 (= ~a16~0 8)) (.cse30 (or (and .cse17 .cse11 .cse20 .cse22 .cse12 .cse5) (and .cse0 .cse11 .cse12 .cse25 .cse5))) (.cse8 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse12 .cse5 .cse8 .cse13) (and .cse0 .cse14 .cse11 .cse12 .cse5 .cse8 .cse13) (and .cse0 .cse10 .cse1 .cse5 .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse19 .cse20 .cse7 .cse8) (and .cse17 .cse11 .cse2 .cse3 .cse20 .cse5 .cse8 .cse13) (and .cse1 (or (and .cse0 .cse14 .cse5 .cse6 .cse16 .cse9) (and .cse18 .cse14 .cse16 .cse21) (and .cse17 .cse14 .cse20 .cse22 .cse5 .cse6 .cse16))) (and .cse17 .cse14 .cse1 .cse3 .cse20 .cse5 .cse6 .cse9) (and .cse17 .cse23 .cse20 .cse7 .cse12 .cse8) (and .cse17 .cse24 .cse20 .cse25 .cse8 .cse16) (and .cse17 .cse14 .cse1 .cse20 .cse12 .cse9) (and .cse26 .cse10 .cse1 .cse4 .cse27 .cse28) (and .cse17 .cse10 .cse1 .cse19 .cse20 .cse5 .cse15 .cse6) (and .cse17 .cse14 .cse1 .cse19 .cse20 .cse5 .cse6 .cse9) (and .cse17 .cse10 .cse20 .cse22 .cse27 .cse8) (and .cse0 .cse10 .cse27 .cse25 .cse8) (and .cse17 .cse10 .cse1 .cse23 .cse20 .cse22 .cse5 .cse6 .cse16) (and .cse17 .cse29 .cse1 .cse2 .cse20 .cse5 .cse6 .cse9) (and .cse14 .cse30 .cse8) (and .cse3 .cse4 .cse7 .cse8 .cse21) (and .cse17 .cse10 .cse1 .cse3 .cse20 (<= (+ 300160 ~a18~0) 0) .cse5 .cse6 .cse9) (and .cse17 .cse20 .cse7 .cse8 .cse16 .cse9) (and .cse0 .cse14 .cse27 .cse8 .cse13) (and .cse0 .cse7 .cse12 .cse8 .cse9) (and (= ~a16~0 10) (<= 598710 ~a18~0) .cse1 .cse27 .cse13) (and (<= ~a18~0 69306) .cse31 .cse10 .cse1 (<= 69094 ~a18~0)) (and .cse17 .cse11 .cse19 .cse2 .cse20 .cse5 .cse8 .cse13) (and .cse7 .cse27 .cse32 .cse8 .cse9) (and .cse4 .cse7 .cse27 .cse28 .cse8) (and .cse17 .cse1 .cse2 .cse3 .cse20 .cse5 .cse6 .cse9) (and .cse2 .cse27 .cse32 .cse5 .cse8 .cse9) (and .cse17 .cse29 .cse10 .cse1 .cse20 .cse27 .cse5 .cse6 .cse9) (and .cse14 .cse27 .cse32 .cse5 .cse8 .cse9) (and .cse31 .cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)) .cse28 .cse8 .cse13) (and .cse17 .cse33 .cse31 .cse10 .cse1 .cse20 (or .cse26 (< 0 .cse34)) .cse22 .cse5) (and .cse17 .cse10 .cse11 .cse20 .cse22 .cse5 .cse8 .cse16) (and .cse17 .cse29 .cse14 .cse1 .cse20 .cse27 .cse5 .cse6 .cse9) (and .cse24 .cse30 .cse8) (and .cse17 .cse14 .cse11 .cse20 .cse22 .cse5 .cse8 .cse16) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse17 .cse10 .cse11 .cse3 .cse20 .cse5 .cse8 .cse13) (and .cse0 .cse14 .cse8 .cse13 .cse16) (and .cse0 .cse10 .cse19 .cse8 .cse13) (and .cse33 .cse0 .cse31 .cse10 .cse1 .cse15) (and .cse17 .cse14 .cse11 .cse19 .cse20 .cse5 .cse8 .cse13) (and .cse10 .cse30 .cse8))))) [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-12-13 15:23:28,479 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-13 15:23:28,482 INFO L445 BasicCegarLoop]: Path program 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] [2022-12-13 15:23:28,483 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:23:28,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:23:28 BoogieIcfgContainer [2022-12-13 15:23:28,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:23:28,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:23:28,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:23:28,515 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:23:28,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:18:34" (3/4) ... [2022-12-13 15:23:28,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:23:28,544 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 15:23:28,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 15:23:28,548 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:23:28,550 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:23:28,711 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:23:28,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:23:28,711 INFO L158 Benchmark]: Toolchain (without parser) took 297205.33ms. Allocated memory was 165.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 128.2MB in the beginning and 820.2MB in the end (delta: -692.0MB). Peak memory consumption was 844.1MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,712 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:23:28,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.98ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 110.9MB in the end (delta: 16.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.68ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 86.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,712 INFO L158 Benchmark]: Boogie Preprocessor took 122.24ms. Allocated memory is still 165.7MB. Free memory was 86.6MB in the beginning and 74.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,712 INFO L158 Benchmark]: RCFGBuilder took 1872.55ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 73.1MB in the beginning and 140.6MB in the end (delta: -67.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,713 INFO L158 Benchmark]: TraceAbstraction took 294252.31ms. Allocated memory was 199.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 139.6MB in the beginning and 844.8MB in the end (delta: -705.2MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-12-13 15:23:28,713 INFO L158 Benchmark]: Witness Printer took 195.91ms. Allocated memory is still 1.7GB. Free memory was 844.8MB in the beginning and 820.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 15:23:28,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.98ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 110.9MB in the end (delta: 16.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.68ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 86.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.24ms. Allocated memory is still 165.7MB. Free memory was 86.6MB in the beginning and 74.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1872.55ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 73.1MB in the beginning and 140.6MB in the end (delta: -67.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 294252.31ms. Allocated memory was 199.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 139.6MB in the beginning and 844.8MB in the end (delta: -705.2MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 195.91ms. Allocated memory is still 1.7GB. Free memory was 844.8MB in the beginning and 820.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. 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: 200]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 294.2s, OverallIterations: 29, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 57.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 156.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20514 SdHoareTripleChecker+Valid, 52.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20514 mSDsluCounter, 7969 SdHoareTripleChecker+Invalid, 44.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1116 mSDsCounter, 7110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85890 IncrementalHoareTripleChecker+Invalid, 93000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7110 mSolverCounterUnsat, 6853 mSDtfsCounter, 85890 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26016 GetRequests, 25815 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22107occurred in iteration=14, InterpolantAutomatonStates: 223, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 29 MinimizatonAttempts, 28213 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 383 NumberOfFragments, 5171 HoareAnnotationTreeSize, 4 FomulaSimplifications, 201490 FormulaSimplificationTreeSizeReduction, 126.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2293675 FormulaSimplificationTreeSizeReductionInter, 30.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 64.1s InterpolantComputationTime, 51623 NumberOfCodeBlocks, 51623 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 59838 ConstructedInterpolants, 0 QuantifiedInterpolants, 194526 SizeOfPredicates, 30 NumberOfNonLiveVariables, 20380 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 47 InterpolantComputations, 23 PerfectInterpolantSequences, 195006/208903 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 1 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= 87 + a18 && a15 == 4) && 10 <= a16) && a12 == 6) && a18 <= 594508) && a16 <= 11) && 4 <= a15) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 <= 3) && 9 <= a12) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 9 <= a12) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a16 <= 11) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 <= 597816) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || (a15 == 4 && (((((((0 <= 87 + a18 && a16 == 9) && a16 <= 11) && 4 <= a15) && 7 == a12) && a18 <= 134) || (((a18 <= 597816 && a16 == 9) && 7 == a12) && 594219 <= a18)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)))) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && 9 <= a12) && a15 == 3)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 11) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && !(134 < a18)) && a15 == 3) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 9 <= a12) && a18 <= 134)) || (((((!(input == 3) && a16 == 8) && a15 == 4) && a18 <= 594508) && 5 == a12) && 134 < a18)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && 5 == a12) && !(134 < a18)) && a15 == 3)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a15 == 4) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((a16 == 9 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a15 == 3) && 594219 <= a18)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 300160 + a18 <= 0) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && a15 == 3) && 7 == a12) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 12) && 9 <= a12) && a15 == 3) && a18 <= 134)) || ((((a16 == 10 && 598710 <= a18) && a15 == 4) && 5 == a12) && a18 <= 600002)) || ((((a18 <= 69306 && a12 == 9) && a16 == 8) && a15 == 4) && 69094 <= a18)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && a12 == 8) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((a16 == 12 && 5 == a12) && !(a18 + 156 <= 0)) && a15 == 3) && a18 <= 134)) || ((((a18 <= 594508 && a16 == 12) && 5 == a12) && 134 < a18) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 == 4) && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((10 <= a16 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((a16 == 9 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((a12 == 9 && a16 == 12) && !(input == 4)) && 134 < a18) && a15 == 3) && a18 <= 600002)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && (!(input == 6) || 135 <= a18)) && a12 == 9) && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && (!(input == 3) || 0 < a18 + 156)) && 87 + a18 <= 0) && a16 <= 11)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((a16 == 11 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 6) && a18 <= 594508) && a16 <= 11) && 4 <= a15)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 <= 3) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && a15 == 3) && a18 <= 600002)) || ((((((!(input == 6) || 135 <= a18) && 0 <= 87 + a18) && a12 == 9) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 <= 3) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((a16 == 8 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= 87 + a18 && a15 == 4) && 10 <= a16) && a12 == 6) && a18 <= 594508) && a16 <= 11) && 4 <= a15) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 <= 3) && 9 <= a12) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 9 <= a12) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a16 <= 11) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 <= 597816) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || (a15 == 4 && (((((((0 <= 87 + a18 && a16 == 9) && a16 <= 11) && 4 <= a15) && 7 == a12) && a18 <= 134) || (((a18 <= 597816 && a16 == 9) && 7 == a12) && 594219 <= a18)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)))) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && 9 <= a12) && a15 == 3)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 11) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && !(134 < a18)) && a15 == 3) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 9 <= a12) && a18 <= 134)) || (((((!(input == 3) && a16 == 8) && a15 == 4) && a18 <= 594508) && 5 == a12) && 134 < a18)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && 5 == a12) && !(134 < a18)) && a15 == 3)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a15 == 4) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((a16 == 9 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a15 == 3) && 594219 <= a18)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 300160 + a18 <= 0) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && a15 == 3) && 7 == a12) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 12) && 9 <= a12) && a15 == 3) && a18 <= 134)) || ((((a16 == 10 && 598710 <= a18) && a15 == 4) && 5 == a12) && a18 <= 600002)) || ((((a18 <= 69306 && a12 == 9) && a16 == 8) && a15 == 4) && 69094 <= a18)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && a12 == 8) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((a16 == 12 && 5 == a12) && !(a18 + 156 <= 0)) && a15 == 3) && a18 <= 134)) || ((((a18 <= 594508 && a16 == 12) && 5 == a12) && 134 < a18) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 == 4) && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((10 <= a16 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((a16 == 9 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((a12 == 9 && a16 == 12) && !(input == 4)) && 134 < a18) && a15 == 3) && a18 <= 600002)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && (!(input == 6) || 135 <= a18)) && a12 == 9) && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && (!(input == 3) || 0 < a18 + 156)) && 87 + a18 <= 0) && a16 <= 11)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((a16 == 11 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 6) && a18 <= 594508) && a16 <= 11) && 4 <= a15)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 <= 3) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && a15 == 3) && a18 <= 600002)) || ((((((!(input == 6) || 135 <= a18) && 0 <= 87 + a18) && a12 == 9) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134))) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 <= 3) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((a16 == 8 && (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 <= 3) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || ((((0 <= 87 + a18 && a15 <= 3) && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3) - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((a18 / 5 * 10 + 10) / -9 < 401986 && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && 7 == a12) && a18 <= 134)) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || ((((a16 == 8 && a15 == 4) && a12 == 6) && a18 <= 594508) && 134 < a18)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 <= 597816) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && a15 == 3)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && 9 <= a12) && a15 == 3)) || (((((a15 == 4 && 10 <= a16) && a12 == 6) && a18 <= 594508) && a16 <= 11) && 134 < a18)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 11) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && !(134 < a18)) && a15 == 3) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 9 <= a12) && a18 <= 134)) || (((((!(input == 3) && a16 == 8) && a15 == 4) && a18 <= 594508) && 5 == a12) && 134 < a18)) || ((((((!(input == 6) && a12 == 9) && a16 == 12) && !(input == 4)) && 134 < a18) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 9) && 9 <= a12) && a15 == 3) && a18 <= 600002)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 6) && a18 <= 134)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a18 + 156 <= 0) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)) || (((((!(input == 1) && a18 <= 69306) && a12 == 9) && a16 == 8) && a15 == 4) && 69094 <= a18)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a18 <= 134)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a15 == 3) && 594219 <= a18)) || (((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && a15 == 4) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 300160 + a18 <= 0) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || ((a16 == 9 && ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || (((0 <= 87 + a18 && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a12 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a18 <= 597816 && a16 == 9) && 7 == a12) && 594219 <= a18) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && 4 <= a15) && 7 == a12)) || (((0 <= 87 + a18 && a16 == 9) && 7 == a12) && a18 <= 134)) && a15 == 4)) || ((((0 <= 87 + a18 && a16 == 12) && 9 <= a12) && a15 == 3) && a18 <= 134)) || ((((a16 == 10 && 598710 <= a18) && a15 == 4) && 5 == a12) && a18 <= 600002)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 <= 5) && a15 == 4) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a18 <= 134)) || ((((a16 == 12 && 5 == a12) && !(a18 + 156 <= 0)) && a15 == 3) && a18 <= 134)) || ((((a18 <= 594508 && a16 == 12) && 5 == a12) && 134 < a18) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && 9 <= a12) && a15 == 3) && a18 <= 600002)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && a15 == 4) && 10 <= a16) && a12 == 6) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && 4 <= a15) && a18 <= 134)) || (((((10 <= a16 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((a16 == 9 && 5 == a12) && !(a18 + 156 <= 0)) && a16 <= 11) && a15 == 3) && a18 <= 134)) || ((a16 == 11 && ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || (((0 <= 87 + a18 && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 12) && a15 == 3) && 7 == a12) && a18 <= 134)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a12 == 8) && 10 <= a16) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a15 == 3) && a18 <= 134)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && a16 == 12) && 87 + a18 <= 0) && a15 == 3) && 7 == a12)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && a15 == 3) && a18 <= 600002)) || ((((((((a18 / 5 * 10 + 10) / -9 < 401986 && !(input == 6)) && a12 == 9) && a16 == 8) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && (!(input == 3) || 0 < a18 + 156)) && 87 + a18 <= 0)) || (((((0 <= 87 + a18 && !(input == 6)) && a12 == 9) && a16 == 8) && a15 == 4) && a18 <= 134)) || ((a16 == 8 && ((((((a18 / 5 * 10 + 10) / -9 < 401986 && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && 9 <= a12) && a16 <= 11) || (((0 <= 87 + a18 && 9 <= a12) && !(134 < a18)) && a16 <= 11))) && a15 == 3)) || ((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 9) && a15 == 4) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 5 == a12) && a18 <= 134)) || (((((((a18 / 5 * 10 + 10) / -9 < 401986 && a16 == 8) && (a18 / 5 * 10 / -9 < 401986 || !(a18 % 5 == 0))) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3) && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 15:23:28,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb84596-57d6-4205-91df-5193b9e98420/bin/uautomizer-uyxdKDjOR8/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