./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.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_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/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_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/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_67efd43f-f5ed-474a-8d95-8674382f3531/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 cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 --- 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 11:12:44,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:12:44,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:12:44,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:12:44,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:12:44,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:12:44,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:12:44,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:12:44,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:12:44,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:12:44,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:12:44,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:12:44,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:12:44,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:12:44,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:12:44,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:12:44,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:12:44,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:12:44,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:12:44,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:12:44,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:12:44,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:12:44,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:12:44,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:12:44,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:12:44,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:12:44,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:12:44,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:12:44,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:12:44,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:12:44,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:12:44,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:12:44,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:12:44,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:12:44,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:12:44,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:12:44,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:12:44,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:12:44,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:12:44,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:12:44,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:12:44,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 11:12:44,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:12:44,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:12:44,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:12:44,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:12:44,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:12:44,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:12:44,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:12:44,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:12:44,454 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:12:44,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:12:44,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:12:44,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:12:44,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:12:44,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:12:44,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:12:44,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:12:44,457 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:12:44,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:12:44,458 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:12:44,458 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_67efd43f-f5ed-474a-8d95-8674382f3531/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 [2022-12-13 11:12:44,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:12:44,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:12:44,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:12:44,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:12:44,665 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:12:44,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-12-13 11:12:47,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:12:47,502 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:12:47,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-12-13 11:12:47,517 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/data/bb13cd195/8c567e845f134a46bf29c094391072c6/FLAG854f2986b [2022-12-13 11:12:47,825 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/data/bb13cd195/8c567e845f134a46bf29c094391072c6 [2022-12-13 11:12:47,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:12:47,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:12:47,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:12:47,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:12:47,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:12:47,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:12:47" (1/1) ... [2022-12-13 11:12:47,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4073aff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:47, skipping insertion in model container [2022-12-13 11:12:47,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:12:47" (1/1) ... [2022-12-13 11:12:47,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:12:47,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:12:48,261 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_67efd43f-f5ed-474a-8d95-8674382f3531/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-12-13 11:12:48,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:12:48,294 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:12:48,466 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_67efd43f-f5ed-474a-8d95-8674382f3531/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-12-13 11:12:48,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:12:48,490 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:12:48,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48 WrapperNode [2022-12-13 11:12:48,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:12:48,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:12:48,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:12:48,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:12:48,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,570 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-12-13 11:12:48,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:12:48,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:12:48,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:12:48,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:12:48,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:12:48,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:12:48,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:12:48,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:12:48,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (1/1) ... [2022-12-13 11:12:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:12:48,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:12:48,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:12:48,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:12:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:12:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:12:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:12:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:12:48,752 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:12:48,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:12:50,076 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:12:50,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:12:50,083 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:12:50,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:12:50 BoogieIcfgContainer [2022-12-13 11:12:50,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:12:50,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:12:50,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:12:50,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:12:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:12:47" (1/3) ... [2022-12-13 11:12:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b4060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:12:50, skipping insertion in model container [2022-12-13 11:12:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:12:48" (2/3) ... [2022-12-13 11:12:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b4060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:12:50, skipping insertion in model container [2022-12-13 11:12:50,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:12:50" (3/3) ... [2022-12-13 11:12:50,091 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label08.c [2022-12-13 11:12:50,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:12:50,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:12:50,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:12:50,149 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;@65c1907a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:12:50,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:12:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 11:12:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-13 11:12:50,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:50,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:50,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:50,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash -576261461, now seen corresponding path program 1 times [2022-12-13 11:12:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:50,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052044896] [2022-12-13 11:12:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:50,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:50,985 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 11:12:50,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:50,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052044896] [2022-12-13 11:12:50,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052044896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:50,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:50,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:50,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413279419] [2022-12-13 11:12:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:51,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:51,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:51,025 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 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 11:12:51,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:51,851 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2022-12-13 11:12:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:51,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 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 157 [2022-12-13 11:12:51,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:51,863 INFO L225 Difference]: With dead ends: 824 [2022-12-13 11:12:51,863 INFO L226 Difference]: Without dead ends: 445 [2022-12-13 11:12:51,866 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 11:12:51,868 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 73 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:51,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 247 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:12:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-12-13 11:12:51,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2022-12-13 11:12:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.417607223476298) internal successors, (628), 443 states have internal predecessors, (628), 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 11:12:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 628 transitions. [2022-12-13 11:12:51,920 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 628 transitions. Word has length 157 [2022-12-13 11:12:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:51,920 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 628 transitions. [2022-12-13 11:12:51,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 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 11:12:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 628 transitions. [2022-12-13 11:12:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 11:12:51,924 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:51,925 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 11:12:51,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:12:51,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash 933680492, now seen corresponding path program 1 times [2022-12-13 11:12:51,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:51,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474756701] [2022-12-13 11:12:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:52,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:52,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474756701] [2022-12-13 11:12:52,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474756701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:52,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:52,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:52,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450081720] [2022-12-13 11:12:52,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:52,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:52,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:52,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:52,109 INFO L87 Difference]: Start difference. First operand 444 states and 628 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 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 11:12:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:52,716 INFO L93 Difference]: Finished difference Result 1313 states and 1864 transitions. [2022-12-13 11:12:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:52,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 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 165 [2022-12-13 11:12:52,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:52,720 INFO L225 Difference]: With dead ends: 1313 [2022-12-13 11:12:52,720 INFO L226 Difference]: Without dead ends: 871 [2022-12-13 11:12:52,721 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 11:12:52,722 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:52,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:12:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-12-13 11:12:52,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 857. [2022-12-13 11:12:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.3843457943925233) internal successors, (1185), 856 states have internal predecessors, (1185), 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 11:12:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1185 transitions. [2022-12-13 11:12:52,741 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1185 transitions. Word has length 165 [2022-12-13 11:12:52,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:52,741 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1185 transitions. [2022-12-13 11:12:52,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 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 11:12:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1185 transitions. [2022-12-13 11:12:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 11:12:52,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:52,745 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:52,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:12:52,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:52,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:52,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1802100129, now seen corresponding path program 1 times [2022-12-13 11:12:52,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:52,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527182646] [2022-12-13 11:12:52,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:12:52,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:52,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527182646] [2022-12-13 11:12:52,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527182646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:52,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:52,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:12:52,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138270150] [2022-12-13 11:12:52,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:52,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:52,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:52,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:52,881 INFO L87 Difference]: Start difference. First operand 857 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 11:12:53,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:53,584 INFO L93 Difference]: Finished difference Result 2130 states and 3052 transitions. [2022-12-13 11:12:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:53,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 172 [2022-12-13 11:12:53,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:53,590 INFO L225 Difference]: With dead ends: 2130 [2022-12-13 11:12:53,590 INFO L226 Difference]: Without dead ends: 1275 [2022-12-13 11:12:53,591 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 11:12:53,592 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 121 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:53,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 346 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:12:53,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-12-13 11:12:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1273. [2022-12-13 11:12:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1272 states have (on average 1.395440251572327) internal successors, (1775), 1272 states have internal predecessors, (1775), 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 11:12:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1775 transitions. [2022-12-13 11:12:53,622 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1775 transitions. Word has length 172 [2022-12-13 11:12:53,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:53,622 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1775 transitions. [2022-12-13 11:12:53,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 11:12:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1775 transitions. [2022-12-13 11:12:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 11:12:53,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:53,626 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2022-12-13 11:12:53,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:12:53,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:53,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:53,627 INFO L85 PathProgramCache]: Analyzing trace with hash 549135955, now seen corresponding path program 1 times [2022-12-13 11:12:53,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:53,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606240701] [2022-12-13 11:12:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:53,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:12:53,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:53,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606240701] [2022-12-13 11:12:53,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606240701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:53,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:53,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:12:53,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782263016] [2022-12-13 11:12:53,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:53,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:53,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:53,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:53,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:53,884 INFO L87 Difference]: Start difference. First operand 1273 states and 1775 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 11:12:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:54,599 INFO L93 Difference]: Finished difference Result 3774 states and 5271 transitions. [2022-12-13 11:12:54,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:54,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 178 [2022-12-13 11:12:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:54,607 INFO L225 Difference]: With dead ends: 3774 [2022-12-13 11:12:54,608 INFO L226 Difference]: Without dead ends: 2503 [2022-12-13 11:12:54,609 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 11:12:54,611 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:54,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 365 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:12:54,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-12-13 11:12:54,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2499. [2022-12-13 11:12:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2498 states have (on average 1.3062449959967974) internal successors, (3263), 2498 states have internal predecessors, (3263), 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 11:12:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3263 transitions. [2022-12-13 11:12:54,663 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3263 transitions. Word has length 178 [2022-12-13 11:12:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:54,663 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 3263 transitions. [2022-12-13 11:12:54,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 11:12:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3263 transitions. [2022-12-13 11:12:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 11:12:54,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:54,668 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:54,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:12:54,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:54,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:54,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1011238727, now seen corresponding path program 1 times [2022-12-13 11:12:54,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:54,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589691582] [2022-12-13 11:12:54,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:12:54,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:54,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589691582] [2022-12-13 11:12:54,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589691582] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:54,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:54,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:12:54,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170984213] [2022-12-13 11:12:54,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:54,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:54,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:54,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:54,925 INFO L87 Difference]: Start difference. First operand 2499 states and 3263 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 11:12:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:55,661 INFO L93 Difference]: Finished difference Result 5818 states and 7631 transitions. [2022-12-13 11:12:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:55,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 185 [2022-12-13 11:12:55,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:55,672 INFO L225 Difference]: With dead ends: 5818 [2022-12-13 11:12:55,673 INFO L226 Difference]: Without dead ends: 3321 [2022-12-13 11:12:55,676 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 11:12:55,677 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:55,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:12:55,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2022-12-13 11:12:55,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3312. [2022-12-13 11:12:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 1.266384778012685) internal successors, (4193), 3311 states have internal predecessors, (4193), 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 11:12:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4193 transitions. [2022-12-13 11:12:55,750 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4193 transitions. Word has length 185 [2022-12-13 11:12:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:55,750 INFO L495 AbstractCegarLoop]: Abstraction has 3312 states and 4193 transitions. [2022-12-13 11:12:55,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 11:12:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4193 transitions. [2022-12-13 11:12:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-12-13 11:12:55,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:55,757 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-12-13 11:12:55,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:12:55,758 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:55,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1412304688, now seen corresponding path program 1 times [2022-12-13 11:12:55,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:55,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264020775] [2022-12-13 11:12:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 11:12:56,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:56,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264020775] [2022-12-13 11:12:56,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264020775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:56,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:56,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167640311] [2022-12-13 11:12:56,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:56,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:56,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:56,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:56,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:56,021 INFO L87 Difference]: Start difference. First operand 3312 states and 4193 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 11:12:56,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:56,719 INFO L93 Difference]: Finished difference Result 8881 states and 11393 transitions. [2022-12-13 11:12:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:56,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 200 [2022-12-13 11:12:56,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:56,728 INFO L225 Difference]: With dead ends: 8881 [2022-12-13 11:12:56,728 INFO L226 Difference]: Without dead ends: 5571 [2022-12-13 11:12:56,731 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 11:12:56,731 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:56,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 238 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:12:56,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-12-13 11:12:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5551. [2022-12-13 11:12:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 1.2855855855855856) internal successors, (7135), 5550 states have internal predecessors, (7135), 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 11:12:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 7135 transitions. [2022-12-13 11:12:56,799 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 7135 transitions. Word has length 200 [2022-12-13 11:12:56,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:56,799 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 7135 transitions. [2022-12-13 11:12:56,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 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 11:12:56,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 7135 transitions. [2022-12-13 11:12:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 11:12:56,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:56,804 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:56,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:12:56,805 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:56,805 INFO L85 PathProgramCache]: Analyzing trace with hash -174676994, now seen corresponding path program 1 times [2022-12-13 11:12:56,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:56,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304492330] [2022-12-13 11:12:56,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:57,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:57,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304492330] [2022-12-13 11:12:57,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304492330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:57,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:57,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:12:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804807109] [2022-12-13 11:12:57,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:57,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:12:57,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:12:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:12:57,053 INFO L87 Difference]: Start difference. First operand 5551 states and 7135 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 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 11:12:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:57,978 INFO L93 Difference]: Finished difference Result 10714 states and 13855 transitions. [2022-12-13 11:12:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:12:57,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 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 201 [2022-12-13 11:12:57,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:57,987 INFO L225 Difference]: With dead ends: 10714 [2022-12-13 11:12:57,987 INFO L226 Difference]: Without dead ends: 5571 [2022-12-13 11:12:57,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:12:57,990 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 448 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:57,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 122 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 11:12:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-12-13 11:12:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5348. [2022-12-13 11:12:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 5347 states have (on average 1.2870768655320741) internal successors, (6882), 5347 states have internal predecessors, (6882), 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 11:12:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 6882 transitions. [2022-12-13 11:12:58,054 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 6882 transitions. Word has length 201 [2022-12-13 11:12:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:58,054 INFO L495 AbstractCegarLoop]: Abstraction has 5348 states and 6882 transitions. [2022-12-13 11:12:58,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 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 11:12:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 6882 transitions. [2022-12-13 11:12:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 11:12:58,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:58,059 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:58,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:12:58,060 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:58,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:58,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2108065721, now seen corresponding path program 1 times [2022-12-13 11:12:58,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:58,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952844923] [2022-12-13 11:12:58,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:58,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 11:12:58,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:58,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952844923] [2022-12-13 11:12:58,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952844923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:58,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:58,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:58,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132961686] [2022-12-13 11:12:58,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:58,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:58,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:58,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:58,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:58,291 INFO L87 Difference]: Start difference. First operand 5348 states and 6882 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 11:12:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:58,924 INFO L93 Difference]: Finished difference Result 14174 states and 18487 transitions. [2022-12-13 11:12:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:58,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 204 [2022-12-13 11:12:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:58,949 INFO L225 Difference]: With dead ends: 14174 [2022-12-13 11:12:58,949 INFO L226 Difference]: Without dead ends: 9234 [2022-12-13 11:12:58,951 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 11:12:58,952 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 217 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:58,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 167 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:12:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2022-12-13 11:12:59,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9226. [2022-12-13 11:12:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9225 states have (on average 1.2719783197831978) internal successors, (11734), 9225 states have internal predecessors, (11734), 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 11:12:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 11734 transitions. [2022-12-13 11:12:59,057 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 11734 transitions. Word has length 204 [2022-12-13 11:12:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:59,058 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 11734 transitions. [2022-12-13 11:12:59,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 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 11:12:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 11734 transitions. [2022-12-13 11:12:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-13 11:12:59,064 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:59,065 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2022-12-13 11:12:59,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:12:59,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:59,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash 338982323, now seen corresponding path program 1 times [2022-12-13 11:12:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:59,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925163815] [2022-12-13 11:12:59,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:59,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 11:12:59,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:59,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925163815] [2022-12-13 11:12:59,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925163815] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:12:59,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988356777] [2022-12-13 11:12:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:59,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:12:59,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:12:59,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:12:59,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:12:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:59,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:12:59,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:12:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 11:12:59,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:12:59,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988356777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:59,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:12:59,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:12:59,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476133586] [2022-12-13 11:12:59,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:59,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:59,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:59,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:59,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:12:59,597 INFO L87 Difference]: Start difference. First operand 9226 states and 11734 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 11:13:00,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:00,301 INFO L93 Difference]: Finished difference Result 18272 states and 23294 transitions. [2022-12-13 11:13:00,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:00,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 208 [2022-12-13 11:13:00,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:00,312 INFO L225 Difference]: With dead ends: 18272 [2022-12-13 11:13:00,313 INFO L226 Difference]: Without dead ends: 9048 [2022-12-13 11:13:00,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:00,318 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 81 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:00,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 350 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9048 states. [2022-12-13 11:13:00,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9048 to 9023. [2022-12-13 11:13:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9023 states, 9022 states have (on average 1.262912879627577) internal successors, (11394), 9022 states have internal predecessors, (11394), 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 11:13:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9023 states to 9023 states and 11394 transitions. [2022-12-13 11:13:00,401 INFO L78 Accepts]: Start accepts. Automaton has 9023 states and 11394 transitions. Word has length 208 [2022-12-13 11:13:00,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:00,401 INFO L495 AbstractCegarLoop]: Abstraction has 9023 states and 11394 transitions. [2022-12-13 11:13:00,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 11:13:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9023 states and 11394 transitions. [2022-12-13 11:13:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 11:13:00,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:00,411 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-12-13 11:13:00,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:13:00,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:00,614 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:00,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1274347428, now seen corresponding path program 1 times [2022-12-13 11:13:00,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:00,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085022205] [2022-12-13 11:13:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:00,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 11:13:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:00,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085022205] [2022-12-13 11:13:00,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085022205] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:00,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055678699] [2022-12-13 11:13:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:00,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:00,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:00,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:13:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:01,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:13:01,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 11:13:01,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:01,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055678699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:01,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:01,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:13:01,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286610822] [2022-12-13 11:13:01,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:01,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:01,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:01,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:01,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:01,128 INFO L87 Difference]: Start difference. First operand 9023 states and 11394 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 11:13:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:01,475 INFO L93 Difference]: Finished difference Result 17391 states and 22071 transitions. [2022-12-13 11:13:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 242 [2022-12-13 11:13:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:01,484 INFO L225 Difference]: With dead ends: 17391 [2022-12-13 11:13:01,484 INFO L226 Difference]: Without dead ends: 8776 [2022-12-13 11:13:01,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:01,489 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:01,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:13:01,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8776 states. [2022-12-13 11:13:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8776 to 8776. [2022-12-13 11:13:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8776 states, 8775 states have (on average 1.2361253561253562) internal successors, (10847), 8775 states have internal predecessors, (10847), 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 11:13:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8776 states to 8776 states and 10847 transitions. [2022-12-13 11:13:01,566 INFO L78 Accepts]: Start accepts. Automaton has 8776 states and 10847 transitions. Word has length 242 [2022-12-13 11:13:01,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:01,567 INFO L495 AbstractCegarLoop]: Abstraction has 8776 states and 10847 transitions. [2022-12-13 11:13:01,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 11:13:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8776 states and 10847 transitions. [2022-12-13 11:13:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-12-13 11:13:01,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:01,573 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2022-12-13 11:13:01,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:13:01,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:01,774 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:01,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:01,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1060980689, now seen corresponding path program 1 times [2022-12-13 11:13:01,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:01,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503188416] [2022-12-13 11:13:01,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 11:13:01,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:01,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503188416] [2022-12-13 11:13:01,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503188416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:01,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:01,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:13:01,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192169936] [2022-12-13 11:13:01,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:01,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:01,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:01,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:01,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:01,975 INFO L87 Difference]: Start difference. First operand 8776 states and 10847 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 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 11:13:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:02,589 INFO L93 Difference]: Finished difference Result 22219 states and 27711 transitions. [2022-12-13 11:13:02,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:13:02,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 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 247 [2022-12-13 11:13:02,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:02,607 INFO L225 Difference]: With dead ends: 22219 [2022-12-13 11:13:02,607 INFO L226 Difference]: Without dead ends: 13851 [2022-12-13 11:13:02,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:13:02,615 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 450 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:02,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 55 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2022-12-13 11:13:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 13445. [2022-12-13 11:13:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 13444 states have (on average 1.1928741445998214) internal successors, (16037), 13444 states have internal predecessors, (16037), 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 11:13:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 16037 transitions. [2022-12-13 11:13:02,794 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 16037 transitions. Word has length 247 [2022-12-13 11:13:02,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:02,794 INFO L495 AbstractCegarLoop]: Abstraction has 13445 states and 16037 transitions. [2022-12-13 11:13:02,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 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 11:13:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 16037 transitions. [2022-12-13 11:13:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-13 11:13:02,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:02,802 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, 3, 3, 3, 3, 3, 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] [2022-12-13 11:13:02,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:13:02,802 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:02,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -892888228, now seen corresponding path program 1 times [2022-12-13 11:13:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:02,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430863502] [2022-12-13 11:13:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-12-13 11:13:03,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:03,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430863502] [2022-12-13 11:13:03,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430863502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:03,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:03,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:13:03,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884457186] [2022-12-13 11:13:03,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:03,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:03,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:03,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:03,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:13:03,056 INFO L87 Difference]: Start difference. First operand 13445 states and 16037 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 11:13:03,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:03,623 INFO L93 Difference]: Finished difference Result 35644 states and 42941 transitions. [2022-12-13 11:13:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:03,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 255 [2022-12-13 11:13:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:03,641 INFO L225 Difference]: With dead ends: 35644 [2022-12-13 11:13:03,641 INFO L226 Difference]: Without dead ends: 22810 [2022-12-13 11:13:03,649 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 11:13:03,650 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 226 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:03,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 111 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:13:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22810 states. [2022-12-13 11:13:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22810 to 22807. [2022-12-13 11:13:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22807 states, 22806 states have (on average 1.1956941155836183) internal successors, (27269), 22806 states have internal predecessors, (27269), 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 11:13:03,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22807 states to 22807 states and 27269 transitions. [2022-12-13 11:13:03,857 INFO L78 Accepts]: Start accepts. Automaton has 22807 states and 27269 transitions. Word has length 255 [2022-12-13 11:13:03,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:03,857 INFO L495 AbstractCegarLoop]: Abstraction has 22807 states and 27269 transitions. [2022-12-13 11:13:03,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 11:13:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22807 states and 27269 transitions. [2022-12-13 11:13:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-12-13 11:13:03,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:03,869 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2022-12-13 11:13:03,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:13:03,869 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:03,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1106386329, now seen corresponding path program 1 times [2022-12-13 11:13:03,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:03,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571481685] [2022-12-13 11:13:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:03,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 11:13:04,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:04,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571481685] [2022-12-13 11:13:04,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571481685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:04,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:04,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:13:04,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560134283] [2022-12-13 11:13:04,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:04,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:04,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:04,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:04,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:13:04,109 INFO L87 Difference]: Start difference. First operand 22807 states and 27269 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:13:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:04,708 INFO L93 Difference]: Finished difference Result 36250 states and 43285 transitions. [2022-12-13 11:13:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:04,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 261 [2022-12-13 11:13:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:04,725 INFO L225 Difference]: With dead ends: 36250 [2022-12-13 11:13:04,725 INFO L226 Difference]: Without dead ends: 23822 [2022-12-13 11:13:04,733 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 11:13:04,733 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 161 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:04,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 360 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:13:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23822 states. [2022-12-13 11:13:04,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23822 to 23822. [2022-12-13 11:13:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23822 states, 23821 states have (on average 1.1860543218168842) internal successors, (28253), 23821 states have internal predecessors, (28253), 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 11:13:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23822 states to 23822 states and 28253 transitions. [2022-12-13 11:13:04,932 INFO L78 Accepts]: Start accepts. Automaton has 23822 states and 28253 transitions. Word has length 261 [2022-12-13 11:13:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:04,933 INFO L495 AbstractCegarLoop]: Abstraction has 23822 states and 28253 transitions. [2022-12-13 11:13:04,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:13:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 23822 states and 28253 transitions. [2022-12-13 11:13:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 11:13:04,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:04,945 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:13:04,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:13:04,945 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:04,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:04,945 INFO L85 PathProgramCache]: Analyzing trace with hash 609352996, now seen corresponding path program 1 times [2022-12-13 11:13:04,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:04,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071687171] [2022-12-13 11:13:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:04,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-13 11:13:05,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:05,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071687171] [2022-12-13 11:13:05,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071687171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:05,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:05,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:13:05,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699552999] [2022-12-13 11:13:05,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:05,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:05,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:05,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:05,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:13:05,152 INFO L87 Difference]: Start difference. First operand 23822 states and 28253 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 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 11:13:05,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:05,873 INFO L93 Difference]: Finished difference Result 52514 states and 62881 transitions. [2022-12-13 11:13:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:05,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 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 271 [2022-12-13 11:13:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:05,920 INFO L225 Difference]: With dead ends: 52514 [2022-12-13 11:13:05,920 INFO L226 Difference]: Without dead ends: 30318 [2022-12-13 11:13:05,927 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 11:13:05,928 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:05,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 151 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:05,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30318 states. [2022-12-13 11:13:06,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30318 to 30318. [2022-12-13 11:13:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30318 states, 30317 states have (on average 1.1489923145429957) internal successors, (34834), 30317 states have internal predecessors, (34834), 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 11:13:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 34834 transitions. [2022-12-13 11:13:06,221 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 34834 transitions. Word has length 271 [2022-12-13 11:13:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:06,221 INFO L495 AbstractCegarLoop]: Abstraction has 30318 states and 34834 transitions. [2022-12-13 11:13:06,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 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 11:13:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 34834 transitions. [2022-12-13 11:13:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 11:13:06,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:06,238 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:13:06,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 11:13:06,239 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:06,239 INFO L85 PathProgramCache]: Analyzing trace with hash -614942145, now seen corresponding path program 1 times [2022-12-13 11:13:06,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:06,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638445967] [2022-12-13 11:13:06,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:06,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 11:13:06,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:06,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638445967] [2022-12-13 11:13:06,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638445967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:06,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:06,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:13:06,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198034247] [2022-12-13 11:13:06,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:06,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:06,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:06,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:06,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:13:06,511 INFO L87 Difference]: Start difference. First operand 30318 states and 34834 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 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 11:13:07,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:07,194 INFO L93 Difference]: Finished difference Result 54341 states and 62556 transitions. [2022-12-13 11:13:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:07,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 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 278 [2022-12-13 11:13:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:07,223 INFO L225 Difference]: With dead ends: 54341 [2022-12-13 11:13:07,223 INFO L226 Difference]: Without dead ends: 36838 [2022-12-13 11:13:07,234 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 11:13:07,235 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 160 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:07,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 179 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36838 states. [2022-12-13 11:13:07,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36838 to 33781. [2022-12-13 11:13:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33781 states, 33780 states have (on average 1.159650680876258) internal successors, (39173), 33780 states have internal predecessors, (39173), 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 11:13:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33781 states to 33781 states and 39173 transitions. [2022-12-13 11:13:07,564 INFO L78 Accepts]: Start accepts. Automaton has 33781 states and 39173 transitions. Word has length 278 [2022-12-13 11:13:07,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:07,564 INFO L495 AbstractCegarLoop]: Abstraction has 33781 states and 39173 transitions. [2022-12-13 11:13:07,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 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 11:13:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 33781 states and 39173 transitions. [2022-12-13 11:13:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-12-13 11:13:07,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:07,576 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-12-13 11:13:07,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 11:13:07,577 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1402650254, now seen corresponding path program 1 times [2022-12-13 11:13:07,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:07,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403984303] [2022-12-13 11:13:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-13 11:13:07,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:07,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403984303] [2022-12-13 11:13:07,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403984303] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:07,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371760058] [2022-12-13 11:13:07,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:07,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:07,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:07,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:13:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:08,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:13:08,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-13 11:13:08,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:08,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371760058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:08,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:08,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:13:08,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678306964] [2022-12-13 11:13:08,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:08,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:08,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:08,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:08,353 INFO L87 Difference]: Start difference. First operand 33781 states and 39173 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 11:13:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:09,161 INFO L93 Difference]: Finished difference Result 73076 states and 85096 transitions. [2022-12-13 11:13:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:09,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 283 [2022-12-13 11:13:09,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:09,191 INFO L225 Difference]: With dead ends: 73076 [2022-12-13 11:13:09,191 INFO L226 Difference]: Without dead ends: 41327 [2022-12-13 11:13:09,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:09,203 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 100 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:09,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 91 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41327 states. [2022-12-13 11:13:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41327 to 39894. [2022-12-13 11:13:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39894 states, 39893 states have (on average 1.1409019126162485) internal successors, (45514), 39893 states have internal predecessors, (45514), 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 11:13:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39894 states to 39894 states and 45514 transitions. [2022-12-13 11:13:09,604 INFO L78 Accepts]: Start accepts. Automaton has 39894 states and 45514 transitions. Word has length 283 [2022-12-13 11:13:09,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:09,605 INFO L495 AbstractCegarLoop]: Abstraction has 39894 states and 45514 transitions. [2022-12-13 11:13:09,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 11:13:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39894 states and 45514 transitions. [2022-12-13 11:13:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-12-13 11:13:09,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:09,660 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:13:09,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:13:09,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 11:13:09,862 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:09,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:09,863 INFO L85 PathProgramCache]: Analyzing trace with hash 209122463, now seen corresponding path program 1 times [2022-12-13 11:13:09,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:09,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030328793] [2022-12-13 11:13:09,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:13:10,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:10,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030328793] [2022-12-13 11:13:10,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030328793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:10,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:10,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:13:10,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173618484] [2022-12-13 11:13:10,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:10,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:10,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:10,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:13:10,039 INFO L87 Difference]: Start difference. First operand 39894 states and 45514 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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 11:13:10,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:10,759 INFO L93 Difference]: Finished difference Result 72261 states and 82440 transitions. [2022-12-13 11:13:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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 287 [2022-12-13 11:13:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:10,786 INFO L225 Difference]: With dead ends: 72261 [2022-12-13 11:13:10,787 INFO L226 Difference]: Without dead ends: 34399 [2022-12-13 11:13:10,802 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 11:13:10,803 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:10,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 349 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34399 states. [2022-12-13 11:13:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34399 to 34391. [2022-12-13 11:13:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34391 states, 34390 states have (on average 1.128351264902588) internal successors, (38804), 34390 states have internal predecessors, (38804), 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 11:13:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34391 states to 34391 states and 38804 transitions. [2022-12-13 11:13:11,255 INFO L78 Accepts]: Start accepts. Automaton has 34391 states and 38804 transitions. Word has length 287 [2022-12-13 11:13:11,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:11,255 INFO L495 AbstractCegarLoop]: Abstraction has 34391 states and 38804 transitions. [2022-12-13 11:13:11,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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 11:13:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 34391 states and 38804 transitions. [2022-12-13 11:13:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-12-13 11:13:11,284 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:11,284 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:13:11,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 11:13:11,284 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:11,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:11,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1112573616, now seen corresponding path program 1 times [2022-12-13 11:13:11,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:11,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985990027] [2022-12-13 11:13:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:11,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 118 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-12-13 11:13:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:11,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985990027] [2022-12-13 11:13:11,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985990027] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:11,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264422753] [2022-12-13 11:13:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:11,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:11,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:11,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:11,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:13:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:13:11,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-12-13 11:13:12,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:12,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264422753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:12,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:12,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:13:12,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518840401] [2022-12-13 11:13:12,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:12,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:12,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:12,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:12,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:12,016 INFO L87 Difference]: Start difference. First operand 34391 states and 38804 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:13:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:12,760 INFO L93 Difference]: Finished difference Result 65532 states and 74079 transitions. [2022-12-13 11:13:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:12,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 381 [2022-12-13 11:13:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:12,791 INFO L225 Difference]: With dead ends: 65532 [2022-12-13 11:13:12,792 INFO L226 Difference]: Without dead ends: 33173 [2022-12-13 11:13:12,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:12,808 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:12,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 118 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33173 states. [2022-12-13 11:13:13,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33173 to 31543. [2022-12-13 11:13:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31543 states, 31542 states have (on average 1.1144505738380572) internal successors, (35152), 31542 states have internal predecessors, (35152), 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 11:13:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31543 states to 31543 states and 35152 transitions. [2022-12-13 11:13:13,160 INFO L78 Accepts]: Start accepts. Automaton has 31543 states and 35152 transitions. Word has length 381 [2022-12-13 11:13:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:13,160 INFO L495 AbstractCegarLoop]: Abstraction has 31543 states and 35152 transitions. [2022-12-13 11:13:13,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 11:13:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 31543 states and 35152 transitions. [2022-12-13 11:13:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-13 11:13:13,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:13,177 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 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] [2022-12-13 11:13:13,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:13:13,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 11:13:13,379 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:13,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:13,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1832401213, now seen corresponding path program 1 times [2022-12-13 11:13:13,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:13,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875849882] [2022-12-13 11:13:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:13,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 11:13:13,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:13,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875849882] [2022-12-13 11:13:13,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875849882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:13,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:13,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:13:13,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103894532] [2022-12-13 11:13:13,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:13,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:13,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:13,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:13,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:13,713 INFO L87 Difference]: Start difference. First operand 31543 states and 35152 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 11:13:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:14,650 INFO L93 Difference]: Finished difference Result 65348 states and 72943 transitions. [2022-12-13 11:13:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:13:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 385 [2022-12-13 11:13:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:14,677 INFO L225 Difference]: With dead ends: 65348 [2022-12-13 11:13:14,677 INFO L226 Difference]: Without dead ends: 34416 [2022-12-13 11:13:14,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:13:14,690 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 374 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:14,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 115 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:13:14,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34416 states. [2022-12-13 11:13:14,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34416 to 32769. [2022-12-13 11:13:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32769 states, 32768 states have (on average 1.115478515625) internal successors, (36552), 32768 states have internal predecessors, (36552), 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 11:13:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32769 states to 32769 states and 36552 transitions. [2022-12-13 11:13:14,999 INFO L78 Accepts]: Start accepts. Automaton has 32769 states and 36552 transitions. Word has length 385 [2022-12-13 11:13:14,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:14,999 INFO L495 AbstractCegarLoop]: Abstraction has 32769 states and 36552 transitions. [2022-12-13 11:13:14,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 11:13:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32769 states and 36552 transitions. [2022-12-13 11:13:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-12-13 11:13:15,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:15,020 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:13:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 11:13:15,020 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:15,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:15,020 INFO L85 PathProgramCache]: Analyzing trace with hash -994476096, now seen corresponding path program 1 times [2022-12-13 11:13:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:15,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764496267] [2022-12-13 11:13:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-13 11:13:15,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:15,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764496267] [2022-12-13 11:13:15,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764496267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:15,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:15,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:13:15,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006212850] [2022-12-13 11:13:15,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:15,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:15,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:15,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:15,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:15,374 INFO L87 Difference]: Start difference. First operand 32769 states and 36552 transitions. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 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 11:13:16,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:16,374 INFO L93 Difference]: Finished difference Result 97088 states and 108424 transitions. [2022-12-13 11:13:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:13:16,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 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 397 [2022-12-13 11:13:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:16,425 INFO L225 Difference]: With dead ends: 97088 [2022-12-13 11:13:16,426 INFO L226 Difference]: Without dead ends: 64930 [2022-12-13 11:13:16,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:13:16,443 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 428 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:16,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 495 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:13:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64930 states. [2022-12-13 11:13:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64930 to 64928. [2022-12-13 11:13:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64928 states, 64927 states have (on average 1.114621035932663) internal successors, (72369), 64927 states have internal predecessors, (72369), 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 11:13:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64928 states to 64928 states and 72369 transitions. [2022-12-13 11:13:17,082 INFO L78 Accepts]: Start accepts. Automaton has 64928 states and 72369 transitions. Word has length 397 [2022-12-13 11:13:17,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:17,082 INFO L495 AbstractCegarLoop]: Abstraction has 64928 states and 72369 transitions. [2022-12-13 11:13:17,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 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 11:13:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 64928 states and 72369 transitions. [2022-12-13 11:13:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-12-13 11:13:17,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:17,110 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:13:17,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 11:13:17,110 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:17,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:17,110 INFO L85 PathProgramCache]: Analyzing trace with hash 311525937, now seen corresponding path program 1 times [2022-12-13 11:13:17,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:17,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557644442] [2022-12-13 11:13:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:17,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 143 proven. 6 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-12-13 11:13:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:17,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557644442] [2022-12-13 11:13:17,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557644442] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:17,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840023628] [2022-12-13 11:13:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:17,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:17,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:13:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:17,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:13:17,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-12-13 11:13:17,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:17,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840023628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:17,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:17,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:13:17,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056704061] [2022-12-13 11:13:17,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:17,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:17,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:17,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:17,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:17,936 INFO L87 Difference]: Start difference. First operand 64928 states and 72369 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:13:18,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:18,876 INFO L93 Difference]: Finished difference Result 133344 states and 148656 transitions. [2022-12-13 11:13:18,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:18,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 401 [2022-12-13 11:13:18,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:18,944 INFO L225 Difference]: With dead ends: 133344 [2022-12-13 11:13:18,944 INFO L226 Difference]: Without dead ends: 69027 [2022-12-13 11:13:18,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:18,977 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 205 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:18,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 126 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:13:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69027 states. [2022-12-13 11:13:19,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69027 to 62480. [2022-12-13 11:13:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62480 states, 62479 states have (on average 1.110309063845452) internal successors, (69371), 62479 states have internal predecessors, (69371), 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 11:13:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62480 states to 62480 states and 69371 transitions. [2022-12-13 11:13:19,640 INFO L78 Accepts]: Start accepts. Automaton has 62480 states and 69371 transitions. Word has length 401 [2022-12-13 11:13:19,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:19,640 INFO L495 AbstractCegarLoop]: Abstraction has 62480 states and 69371 transitions. [2022-12-13 11:13:19,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:13:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 62480 states and 69371 transitions. [2022-12-13 11:13:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-12-13 11:13:19,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:19,667 INFO L195 NwaCegarLoop]: trace histogram [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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:13:19,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 11:13:19,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:19,869 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:19,870 INFO L85 PathProgramCache]: Analyzing trace with hash 616995643, now seen corresponding path program 1 times [2022-12-13 11:13:19,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:19,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274792317] [2022-12-13 11:13:19,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:19,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-12-13 11:13:20,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:20,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274792317] [2022-12-13 11:13:20,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274792317] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:20,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894208194] [2022-12-13 11:13:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:20,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:20,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:20,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:20,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:13:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:13:20,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-13 11:13:20,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:20,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894208194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:20,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:20,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:13:20,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017226752] [2022-12-13 11:13:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:20,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:13:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:13:20,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:20,851 INFO L87 Difference]: Start difference. First operand 62480 states and 69371 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 11:13:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:21,628 INFO L93 Difference]: Finished difference Result 121083 states and 134510 transitions. [2022-12-13 11:13:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:13:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 405 [2022-12-13 11:13:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:21,629 INFO L225 Difference]: With dead ends: 121083 [2022-12-13 11:13:21,629 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:13:21,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:21,657 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:21,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 95 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:13:21,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:13:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:13:21,658 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 11:13:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:13:21,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 405 [2022-12-13 11:13:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:21,658 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:13:21,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 11:13:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:13:21,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:13:21,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:13:21,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 11:13:21,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 11:13:21,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:13:33,052 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:13:33,053 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:13:33,054 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,055 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,056 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:13:33,057 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,058 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1516) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,059 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,060 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,061 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,062 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:13:33,063 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 11:13:33,064 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,065 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,066 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:13:33,067 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 64 1660) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,068 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,069 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:13:33,072 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] [2022-12-13 11:13:33,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:13:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:13:33 BoogieIcfgContainer [2022-12-13 11:13:33,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:13:33,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:13:33,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:13:33,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:13:33,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:12:50" (3/4) ... [2022-12-13 11:13:33,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:13:33,130 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 11:13:33,134 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 11:13:33,138 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:13:33,142 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:13:33,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:13:33,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:13:33,241 INFO L158 Benchmark]: Toolchain (without parser) took 45412.28ms. Allocated memory was 146.8MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 105.9MB in the beginning and 378.4MB in the end (delta: -272.5MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-12-13 11:13:33,242 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:13:33,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.02ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 132.7MB in the end (delta: -26.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-12-13 11:13:33,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.37ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 118.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:13:33,242 INFO L158 Benchmark]: Boogie Preprocessor took 62.60ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 108.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:13:33,242 INFO L158 Benchmark]: RCFGBuilder took 1450.98ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 121.1MB in the end (delta: -13.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-12-13 11:13:33,243 INFO L158 Benchmark]: TraceAbstraction took 43010.05ms. Allocated memory was 178.3MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 121.1MB in the beginning and 403.0MB in the end (delta: -281.9MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2022-12-13 11:13:33,243 INFO L158 Benchmark]: Witness Printer took 144.45ms. Allocated memory is still 2.2GB. Free memory was 403.0MB in the beginning and 378.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 11:13:33,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.02ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 105.9MB in the beginning and 132.7MB in the end (delta: -26.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.37ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 118.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.60ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 108.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1450.98ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 121.1MB in the end (delta: -13.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * TraceAbstraction took 43010.05ms. Allocated memory was 178.3MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 121.1MB in the beginning and 403.0MB in the end (delta: -281.9MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 144.45ms. Allocated memory is still 2.2GB. Free memory was 403.0MB in the beginning and 378.4MB 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: 1516]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.9s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4933 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4933 mSDsluCounter, 4565 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2463 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14454 IncrementalHoareTripleChecker+Invalid, 16917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2463 mSolverCounterUnsat, 3894 mSDtfsCounter, 14454 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1973 GetRequests, 1935 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64928occurred in iteration=20, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 15039 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 523 NumberOfFragments, 1307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 180 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 21078 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 7683 NumberOfCodeBlocks, 7683 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7655 ConstructedInterpolants, 0 QuantifiedInterpolants, 14206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3726 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 5531/5567 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2022-12-13 11:13:33,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67efd43f-f5ed-474a-8d95-8674382f3531/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