./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN --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 f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 --- 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-6b4ec56 [2022-11-20 10:29:59,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:29:59,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:29:59,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:29:59,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:29:59,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:29:59,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:29:59,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:29:59,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:29:59,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:29:59,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:29:59,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:29:59,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:29:59,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:29:59,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:29:59,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:29:59,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:29:59,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:29:59,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:29:59,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:29:59,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:29:59,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:29:59,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:29:59,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:29:59,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:29:59,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:29:59,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:29:59,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:29:59,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:29:59,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:29:59,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:29:59,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:29:59,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:29:59,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:29:59,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:29:59,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:29:59,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:29:59,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:29:59,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:29:59,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:29:59,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:29:59,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:29:59,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:29:59,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:29:59,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:29:59,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:29:59,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:29:59,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:29:59,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:29:59,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:29:59,883 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:29:59,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:29:59,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:29:59,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:29:59,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:29:59,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:29:59,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:29:59,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:29:59,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:29:59,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:29:59,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:29:59,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:29:59,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:29:59,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:29:59,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:29:59,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:29:59,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:29:59,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:29:59,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:29:59,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:29:59,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:29:59,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:29:59,889 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:29:59,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:29:59,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:29:59,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36a525a226086cc938e65ee46daa868faf1a89b705080609babafb304ea1cb5 [2022-11-20 10:30:00,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:00,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:00,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:00,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:00,172 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:00,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2022-11-20 10:30:03,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:03,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:03,669 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/sv-benchmarks/c/eca-rers2012/Problem15_label16.c [2022-11-20 10:30:03,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/data/62e52799c/a8bb8a42ccfc4bcf8d4ee6e98f558343/FLAG474db20aa [2022-11-20 10:30:03,705 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/data/62e52799c/a8bb8a42ccfc4bcf8d4ee6e98f558343 [2022-11-20 10:30:03,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:03,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:03,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:03,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:03,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:03,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:03" (1/1) ... [2022-11-20 10:30:03,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522362f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:03, skipping insertion in model container [2022-11-20 10:30:03,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:03" (1/1) ... [2022-11-20 10:30:03,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:03,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:04,020 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_c31d1f8d-9730-4188-9a6f-f634016d43e6/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2022-11-20 10:30:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:04,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:04,593 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_c31d1f8d-9730-4188-9a6f-f634016d43e6/sv-benchmarks/c/eca-rers2012/Problem15_label16.c[7550,7563] [2022-11-20 10:30:04,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:04,953 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:04,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04 WrapperNode [2022-11-20 10:30:04,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:04,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:04,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:04,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:04,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,215 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-11-20 10:30:05,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:05,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:05,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:05,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:05,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,354 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:05,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:05,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:05,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:05,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (1/1) ... [2022-11-20 10:30:05,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:05,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:05,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:05,590 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:05,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:09,356 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:09,367 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:09,367 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:30:09,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:09 BoogieIcfgContainer [2022-11-20 10:30:09,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:09,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:09,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:09,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:09,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:03" (1/3) ... [2022-11-20 10:30:09,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcd1aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:09, skipping insertion in model container [2022-11-20 10:30:09,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:04" (2/3) ... [2022-11-20 10:30:09,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcd1aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:09, skipping insertion in model container [2022-11-20 10:30:09,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:09" (3/3) ... [2022-11-20 10:30:09,381 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label16.c [2022-11-20 10:30:09,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:09,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:30:09,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:09,476 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;@24cfdd79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:09,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:30:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 10:30:09,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:09,493 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] [2022-11-20 10:30:09,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:09,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2022-11-20 10:30:09,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550530003] [2022-11-20 10:30:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550530003] [2022-11-20 10:30:09,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550530003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:09,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690165861] [2022-11-20 10:30:09,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:09,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:10,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:10,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:10,013 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:12,643 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-11-20 10:30:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:12,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-11-20 10:30:12,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:12,666 INFO L225 Difference]: With dead ends: 1155 [2022-11-20 10:30:12,667 INFO L226 Difference]: Without dead ends: 667 [2022-11-20 10:30:12,674 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 [2022-11-20 10:30:12,679 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 282 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:12,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 10:30:12,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-11-20 10:30:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-11-20 10:30:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-11-20 10:30:12,792 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 62 [2022-11-20 10:30:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:12,793 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-11-20 10:30:12,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-11-20 10:30:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-20 10:30:12,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:12,798 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:12,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:12,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash -796528411, now seen corresponding path program 1 times [2022-11-20 10:30:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:12,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847082202] [2022-11-20 10:30:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:13,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:13,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847082202] [2022-11-20 10:30:13,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847082202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:13,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:13,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:13,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996298333] [2022-11-20 10:30:13,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:13,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:13,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:13,098 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:16,044 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2022-11-20 10:30:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:16,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-11-20 10:30:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:16,053 INFO L225 Difference]: With dead ends: 1955 [2022-11-20 10:30:16,054 INFO L226 Difference]: Without dead ends: 1292 [2022-11-20 10:30:16,060 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 [2022-11-20 10:30:16,064 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:16,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 10:30:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-11-20 10:30:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2022-11-20 10:30:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2022-11-20 10:30:16,138 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 137 [2022-11-20 10:30:16,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:16,142 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2022-11-20 10:30:16,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2022-11-20 10:30:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-20 10:30:16,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:16,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:16,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:16,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:16,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:16,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1624626917, now seen corresponding path program 1 times [2022-11-20 10:30:16,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:16,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086349077] [2022-11-20 10:30:16,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:16,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:16,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:16,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086349077] [2022-11-20 10:30:16,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086349077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:16,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:16,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:16,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683677716] [2022-11-20 10:30:16,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:16,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:16,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:16,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:16,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:16,520 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:19,096 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2022-11-20 10:30:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:19,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-11-20 10:30:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:19,108 INFO L225 Difference]: With dead ends: 3764 [2022-11-20 10:30:19,108 INFO L226 Difference]: Without dead ends: 2484 [2022-11-20 10:30:19,110 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 [2022-11-20 10:30:19,111 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:19,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 10:30:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-11-20 10:30:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-11-20 10:30:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2022-11-20 10:30:19,162 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 141 [2022-11-20 10:30:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:19,163 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2022-11-20 10:30:19,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2022-11-20 10:30:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-20 10:30:19,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:19,166 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 10:30:19,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:19,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:19,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:19,168 INFO L85 PathProgramCache]: Analyzing trace with hash 146795855, now seen corresponding path program 1 times [2022-11-20 10:30:19,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:19,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114604184] [2022-11-20 10:30:19,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 10:30:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:19,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114604184] [2022-11-20 10:30:19,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114604184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:19,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:19,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216543379] [2022-11-20 10:30:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:19,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:19,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:19,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:19,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:19,429 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:21,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:21,536 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2022-11-20 10:30:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:21,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 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 232 [2022-11-20 10:30:21,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:21,550 INFO L225 Difference]: With dead ends: 6166 [2022-11-20 10:30:21,550 INFO L226 Difference]: Without dead ends: 3986 [2022-11-20 10:30:21,553 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 [2022-11-20 10:30:21,554 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:21,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 10:30:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-11-20 10:30:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-11-20 10:30:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2022-11-20 10:30:21,633 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 232 [2022-11-20 10:30:21,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:21,634 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2022-11-20 10:30:21,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2022-11-20 10:30:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-11-20 10:30:21,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:21,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:21,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:21,641 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash 81110933, now seen corresponding path program 1 times [2022-11-20 10:30:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:21,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113243407] [2022-11-20 10:30:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:21,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 10:30:22,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:22,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113243407] [2022-11-20 10:30:22,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113243407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:22,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:22,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228236671] [2022-11-20 10:30:22,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:22,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:22,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:22,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:22,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:22,451 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:24,950 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2022-11-20 10:30:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:24,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 334 [2022-11-20 10:30:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:24,966 INFO L225 Difference]: With dead ends: 7661 [2022-11-20 10:30:24,966 INFO L226 Difference]: Without dead ends: 3981 [2022-11-20 10:30:24,970 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 [2022-11-20 10:30:24,971 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:24,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 10:30:24,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-11-20 10:30:25,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-11-20 10:30:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2022-11-20 10:30:25,069 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 334 [2022-11-20 10:30:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:25,070 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2022-11-20 10:30:25,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2022-11-20 10:30:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-20 10:30:25,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:25,081 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:25,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2004983654, now seen corresponding path program 1 times [2022-11-20 10:30:25,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:25,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962042805] [2022-11-20 10:30:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 10:30:25,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:25,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962042805] [2022-11-20 10:30:25,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962042805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:25,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:25,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:25,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235800199] [2022-11-20 10:30:25,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:25,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:25,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:25,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:25,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:25,425 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:27,815 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2022-11-20 10:30:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:27,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 349 [2022-11-20 10:30:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:27,843 INFO L225 Difference]: With dead ends: 9465 [2022-11-20 10:30:27,844 INFO L226 Difference]: Without dead ends: 5785 [2022-11-20 10:30:27,848 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 [2022-11-20 10:30:27,851 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 254 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:27,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 10:30:27,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2022-11-20 10:30:27,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2022-11-20 10:30:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2022-11-20 10:30:27,975 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 349 [2022-11-20 10:30:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:27,976 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2022-11-20 10:30:27,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2022-11-20 10:30:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-20 10:30:27,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:27,986 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:27,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:30:27,986 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:27,987 INFO L85 PathProgramCache]: Analyzing trace with hash -320576153, now seen corresponding path program 1 times [2022-11-20 10:30:27,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:27,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127946307] [2022-11-20 10:30:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:27,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 10:30:28,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:28,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127946307] [2022-11-20 10:30:28,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127946307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:28,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:28,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:28,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210949071] [2022-11-20 10:30:28,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:28,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:28,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:28,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:28,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:28,402 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:30,624 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2022-11-20 10:30:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:30,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 408 [2022-11-20 10:30:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:30,661 INFO L225 Difference]: With dead ends: 13364 [2022-11-20 10:30:30,661 INFO L226 Difference]: Without dead ends: 7882 [2022-11-20 10:30:30,667 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 [2022-11-20 10:30:30,668 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 265 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:30,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 10:30:30,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-11-20 10:30:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2022-11-20 10:30:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2022-11-20 10:30:30,809 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 408 [2022-11-20 10:30:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:30,810 INFO L495 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2022-11-20 10:30:30,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2022-11-20 10:30:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-20 10:30:30,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:30,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:30,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:30:30,821 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash -416528072, now seen corresponding path program 1 times [2022-11-20 10:30:30,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:30,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295787836] [2022-11-20 10:30:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 10:30:31,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:31,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295787836] [2022-11-20 10:30:31,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295787836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:31,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:31,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:31,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118861261] [2022-11-20 10:30:31,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:31,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:31,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:31,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:31,249 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:33,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:33,759 INFO L93 Difference]: Finished difference Result 16069 states and 18814 transitions. [2022-11-20 10:30:33,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:33,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 423 [2022-11-20 10:30:33,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:33,785 INFO L225 Difference]: With dead ends: 16069 [2022-11-20 10:30:33,785 INFO L226 Difference]: Without dead ends: 9086 [2022-11-20 10:30:33,792 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 [2022-11-20 10:30:33,793 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 267 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:33,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 623 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 10:30:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2022-11-20 10:30:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 8481. [2022-11-20 10:30:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8481 states, 8480 states have (on average 1.1379716981132075) internal successors, (9650), 8480 states have internal predecessors, (9650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8481 states to 8481 states and 9650 transitions. [2022-11-20 10:30:33,933 INFO L78 Accepts]: Start accepts. Automaton has 8481 states and 9650 transitions. Word has length 423 [2022-11-20 10:30:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:33,934 INFO L495 AbstractCegarLoop]: Abstraction has 8481 states and 9650 transitions. [2022-11-20 10:30:33,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8481 states and 9650 transitions. [2022-11-20 10:30:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-11-20 10:30:33,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:33,947 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:33,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:30:33,948 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:33,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:33,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1543863763, now seen corresponding path program 1 times [2022-11-20 10:30:33,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222561789] [2022-11-20 10:30:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:33,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 424 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 10:30:34,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:34,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222561789] [2022-11-20 10:30:34,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222561789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:30:34,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971918370] [2022-11-20 10:30:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:34,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:34,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:34,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:30:34,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:30:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:35,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 10:30:35,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:30:35,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971918370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:35,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:30:35,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 10:30:35,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730204799] [2022-11-20 10:30:35,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:35,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:35,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:35,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:35,650 INFO L87 Difference]: Start difference. First operand 8481 states and 9650 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:38,144 INFO L93 Difference]: Finished difference Result 19651 states and 22543 transitions. [2022-11-20 10:30:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:38,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 513 [2022-11-20 10:30:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:38,168 INFO L225 Difference]: With dead ends: 19651 [2022-11-20 10:30:38,168 INFO L226 Difference]: Without dead ends: 11471 [2022-11-20 10:30:38,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:38,178 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 148 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:38,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 315 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 10:30:38,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2022-11-20 10:30:38,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 7578. [2022-11-20 10:30:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1486076283489508) internal successors, (8703), 7577 states have internal predecessors, (8703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8703 transitions. [2022-11-20 10:30:38,388 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8703 transitions. Word has length 513 [2022-11-20 10:30:38,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:38,389 INFO L495 AbstractCegarLoop]: Abstraction has 7578 states and 8703 transitions. [2022-11-20 10:30:38,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8703 transitions. [2022-11-20 10:30:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-11-20 10:30:38,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:38,410 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:38,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:38,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:38,618 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:38,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:38,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1587144653, now seen corresponding path program 1 times [2022-11-20 10:30:38,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:38,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580490014] [2022-11-20 10:30:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 10:30:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:39,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580490014] [2022-11-20 10:30:39,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580490014] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:30:39,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130151223] [2022-11-20 10:30:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:39,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:39,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:30:39,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:30:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:39,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:39,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-11-20 10:30:39,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:30:39,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130151223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:39,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:30:39,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 10:30:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988457194] [2022-11-20 10:30:39,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:39,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:39,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:39,988 INFO L87 Difference]: Start difference. First operand 7578 states and 8703 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:42,181 INFO L93 Difference]: Finished difference Result 17246 states and 20055 transitions. [2022-11-20 10:30:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 546 [2022-11-20 10:30:42,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:42,200 INFO L225 Difference]: With dead ends: 17246 [2022-11-20 10:30:42,201 INFO L226 Difference]: Without dead ends: 9969 [2022-11-20 10:30:42,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:42,208 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 355 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:42,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 10:30:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2022-11-20 10:30:42,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2022-11-20 10:30:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1499799357945426) internal successors, (11463), 9968 states have internal predecessors, (11463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11463 transitions. [2022-11-20 10:30:42,389 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11463 transitions. Word has length 546 [2022-11-20 10:30:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:42,390 INFO L495 AbstractCegarLoop]: Abstraction has 9969 states and 11463 transitions. [2022-11-20 10:30:42,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11463 transitions. [2022-11-20 10:30:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-11-20 10:30:42,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:42,397 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:42,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:42,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 10:30:42,604 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:42,605 INFO L85 PathProgramCache]: Analyzing trace with hash 703199593, now seen corresponding path program 1 times [2022-11-20 10:30:42,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:42,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609029103] [2022-11-20 10:30:42,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:42,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-20 10:30:43,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:43,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609029103] [2022-11-20 10:30:43,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609029103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:43,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:43,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:43,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928962537] [2022-11-20 10:30:43,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:43,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:43,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:43,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:43,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:43,345 INFO L87 Difference]: Start difference. First operand 9969 states and 11463 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:45,835 INFO L93 Difference]: Finished difference Result 24136 states and 28002 transitions. [2022-11-20 10:30:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 550 [2022-11-20 10:30:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:45,863 INFO L225 Difference]: With dead ends: 24136 [2022-11-20 10:30:45,863 INFO L226 Difference]: Without dead ends: 14468 [2022-11-20 10:30:45,871 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 [2022-11-20 10:30:45,872 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:45,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 621 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 10:30:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2022-11-20 10:30:46,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2022-11-20 10:30:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1348449530267712) internal successors, (16066), 14157 states have internal predecessors, (16066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16066 transitions. [2022-11-20 10:30:46,063 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16066 transitions. Word has length 550 [2022-11-20 10:30:46,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:46,064 INFO L495 AbstractCegarLoop]: Abstraction has 14158 states and 16066 transitions. [2022-11-20 10:30:46,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16066 transitions. [2022-11-20 10:30:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-11-20 10:30:46,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:46,075 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:46,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:30:46,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash -740853774, now seen corresponding path program 1 times [2022-11-20 10:30:46,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:46,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231136638] [2022-11-20 10:30:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:46,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 686 proven. 39 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-11-20 10:30:47,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:47,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231136638] [2022-11-20 10:30:47,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231136638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:30:47,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659202633] [2022-11-20 10:30:47,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:47,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:47,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:47,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:30:47,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:30:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:47,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:47,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-11-20 10:30:47,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:30:47,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659202633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:47,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:30:47,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 10:30:47,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347523963] [2022-11-20 10:30:47,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:47,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:47,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:47,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:47,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:47,584 INFO L87 Difference]: Start difference. First operand 14158 states and 16066 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:50,000 INFO L93 Difference]: Finished difference Result 27712 states and 31490 transitions. [2022-11-20 10:30:50,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:50,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 625 [2022-11-20 10:30:50,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:30:50,022 INFO L225 Difference]: With dead ends: 27712 [2022-11-20 10:30:50,022 INFO L226 Difference]: Without dead ends: 13855 [2022-11-20 10:30:50,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:50,034 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 252 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:30:50,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 604 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 10:30:50,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2022-11-20 10:30:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13854. [2022-11-20 10:30:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13853 states have (on average 1.081642965422652) internal successors, (14984), 13853 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 14984 transitions. [2022-11-20 10:30:50,220 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 14984 transitions. Word has length 625 [2022-11-20 10:30:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:30:50,221 INFO L495 AbstractCegarLoop]: Abstraction has 13854 states and 14984 transitions. [2022-11-20 10:30:50,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 14984 transitions. [2022-11-20 10:30:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-20 10:30:50,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:30:50,232 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:30:50,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:50,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 10:30:50,443 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:30:50,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -939629100, now seen corresponding path program 1 times [2022-11-20 10:30:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:50,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246608941] [2022-11-20 10:30:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 10:30:51,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:51,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246608941] [2022-11-20 10:30:51,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246608941] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:30:51,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872830679] [2022-11-20 10:30:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:51,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:30:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:51,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:30:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:30:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:51,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 10:30:51,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 10:30:52,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:30:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 613 proven. 39 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 10:30:53,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872830679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:30:53,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:30:53,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-20 10:30:53,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761781571] [2022-11-20 10:30:53,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:30:53,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:30:53,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:53,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:30:53,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:30:53,412 INFO L87 Difference]: Start difference. First operand 13854 states and 14984 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:01,748 INFO L93 Difference]: Finished difference Result 35741 states and 38659 transitions. [2022-11-20 10:31:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 10:31:01,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 626 [2022-11-20 10:31:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:01,771 INFO L225 Difference]: With dead ends: 35741 [2022-11-20 10:31:01,771 INFO L226 Difference]: Without dead ends: 16247 [2022-11-20 10:31:01,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1261 GetRequests, 1246 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:31:01,782 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 2644 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 6703 mSolverCounterSat, 634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 7337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 634 IncrementalHoareTripleChecker+Valid, 6703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:01,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 281 Invalid, 7337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [634 Valid, 6703 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-20 10:31:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16247 states. [2022-11-20 10:31:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16247 to 12357. [2022-11-20 10:31:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0386047264486888) internal successors, (12833), 12356 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12833 transitions. [2022-11-20 10:31:02,075 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12833 transitions. Word has length 626 [2022-11-20 10:31:02,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:02,076 INFO L495 AbstractCegarLoop]: Abstraction has 12357 states and 12833 transitions. [2022-11-20 10:31:02,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12833 transitions. [2022-11-20 10:31:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2022-11-20 10:31:02,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:02,093 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:31:02,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:02,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 10:31:02,300 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:02,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:02,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1874022056, now seen corresponding path program 1 times [2022-11-20 10:31:02,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:02,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646194469] [2022-11-20 10:31:02,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:02,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 263 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:03,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646194469] [2022-11-20 10:31:03,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646194469] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:03,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762440519] [2022-11-20 10:31:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:03,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:03,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:31:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:04,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:31:04,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 10:31:06,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:06,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762440519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:06,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:31:06,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-20 10:31:06,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385496672] [2022-11-20 10:31:06,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:06,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:06,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:06,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:06,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:06,482 INFO L87 Difference]: Start difference. First operand 12357 states and 12833 transitions. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:08,078 INFO L93 Difference]: Finished difference Result 29800 states and 30989 transitions. [2022-11-20 10:31:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 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 663 [2022-11-20 10:31:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:08,096 INFO L225 Difference]: With dead ends: 29800 [2022-11-20 10:31:08,096 INFO L226 Difference]: Without dead ends: 17445 [2022-11-20 10:31:08,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:08,101 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 130 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:08,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 176 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 10:31:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17445 states. [2022-11-20 10:31:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17445 to 16545. [2022-11-20 10:31:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16545 states, 16544 states have (on average 1.0361460348162477) internal successors, (17142), 16544 states have internal predecessors, (17142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16545 states to 16545 states and 17142 transitions. [2022-11-20 10:31:08,304 INFO L78 Accepts]: Start accepts. Automaton has 16545 states and 17142 transitions. Word has length 663 [2022-11-20 10:31:08,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:08,305 INFO L495 AbstractCegarLoop]: Abstraction has 16545 states and 17142 transitions. [2022-11-20 10:31:08,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,306 INFO L276 IsEmpty]: Start isEmpty. Operand 16545 states and 17142 transitions. [2022-11-20 10:31:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2022-11-20 10:31:08,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:08,316 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:31:08,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:08,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 10:31:08,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:08,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash 543791112, now seen corresponding path program 1 times [2022-11-20 10:31:08,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766592801] [2022-11-20 10:31:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:08,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-20 10:31:09,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:09,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766592801] [2022-11-20 10:31:09,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766592801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:09,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:09,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:31:09,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52231140] [2022-11-20 10:31:09,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:09,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:31:09,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:09,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:31:09,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:09,179 INFO L87 Difference]: Start difference. First operand 16545 states and 17142 transitions. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:11,351 INFO L93 Difference]: Finished difference Result 39674 states and 41130 transitions. [2022-11-20 10:31:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:31:11,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 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 687 [2022-11-20 10:31:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:11,381 INFO L225 Difference]: With dead ends: 39674 [2022-11-20 10:31:11,382 INFO L226 Difference]: Without dead ends: 23131 [2022-11-20 10:31:11,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:11,395 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 585 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:11,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 180 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 10:31:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23131 states. [2022-11-20 10:31:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23131 to 17439. [2022-11-20 10:31:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17439 states, 17438 states have (on average 1.0337194632411975) internal successors, (18026), 17438 states have internal predecessors, (18026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17439 states to 17439 states and 18026 transitions. [2022-11-20 10:31:11,658 INFO L78 Accepts]: Start accepts. Automaton has 17439 states and 18026 transitions. Word has length 687 [2022-11-20 10:31:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:11,659 INFO L495 AbstractCegarLoop]: Abstraction has 17439 states and 18026 transitions. [2022-11-20 10:31:11,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 17439 states and 18026 transitions. [2022-11-20 10:31:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2022-11-20 10:31:11,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:11,673 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:11,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:31:11,673 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1559776201, now seen corresponding path program 1 times [2022-11-20 10:31:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:11,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869868302] [2022-11-20 10:31:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:11,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-11-20 10:31:12,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:12,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869868302] [2022-11-20 10:31:12,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869868302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:12,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:12,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:12,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776120410] [2022-11-20 10:31:12,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:12,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:12,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:12,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:12,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:12,184 INFO L87 Difference]: Start difference. First operand 17439 states and 18026 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:13,496 INFO L93 Difference]: Finished difference Result 34574 states and 35752 transitions. [2022-11-20 10:31:13,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:13,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 718 [2022-11-20 10:31:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:13,508 INFO L225 Difference]: With dead ends: 34574 [2022-11-20 10:31:13,508 INFO L226 Difference]: Without dead ends: 17436 [2022-11-20 10:31:13,515 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 [2022-11-20 10:31:13,515 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 436 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:13,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 68 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:31:13,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17436 states. [2022-11-20 10:31:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17436 to 17136. [2022-11-20 10:31:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17136 states, 17135 states have (on average 1.033673767143274) internal successors, (17712), 17135 states have internal predecessors, (17712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17136 states to 17136 states and 17712 transitions. [2022-11-20 10:31:13,730 INFO L78 Accepts]: Start accepts. Automaton has 17136 states and 17712 transitions. Word has length 718 [2022-11-20 10:31:13,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:13,730 INFO L495 AbstractCegarLoop]: Abstraction has 17136 states and 17712 transitions. [2022-11-20 10:31:13,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 17136 states and 17712 transitions. [2022-11-20 10:31:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2022-11-20 10:31:13,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:13,749 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:13,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:31:13,749 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:13,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1116494967, now seen corresponding path program 1 times [2022-11-20 10:31:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:13,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796784362] [2022-11-20 10:31:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:13,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-20 10:31:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:14,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796784362] [2022-11-20 10:31:14,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796784362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:14,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:14,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:14,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422876446] [2022-11-20 10:31:14,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:14,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:14,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:14,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:14,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:14,237 INFO L87 Difference]: Start difference. First operand 17136 states and 17712 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:15,503 INFO L93 Difference]: Finished difference Result 36056 states and 37337 transitions. [2022-11-20 10:31:15,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:15,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 752 [2022-11-20 10:31:15,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:15,521 INFO L225 Difference]: With dead ends: 36056 [2022-11-20 10:31:15,522 INFO L226 Difference]: Without dead ends: 19221 [2022-11-20 10:31:15,531 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 [2022-11-20 10:31:15,531 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 265 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:15,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 456 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:31:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19221 states. [2022-11-20 10:31:15,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19221 to 18324. [2022-11-20 10:31:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18324 states, 18323 states have (on average 1.03072640943077) internal successors, (18886), 18323 states have internal predecessors, (18886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18324 states to 18324 states and 18886 transitions. [2022-11-20 10:31:15,802 INFO L78 Accepts]: Start accepts. Automaton has 18324 states and 18886 transitions. Word has length 752 [2022-11-20 10:31:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:15,803 INFO L495 AbstractCegarLoop]: Abstraction has 18324 states and 18886 transitions. [2022-11-20 10:31:15,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 18324 states and 18886 transitions. [2022-11-20 10:31:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2022-11-20 10:31:15,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:15,818 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:15,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:31:15,818 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash 562096887, now seen corresponding path program 1 times [2022-11-20 10:31:15,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:15,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333848327] [2022-11-20 10:31:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-11-20 10:31:16,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:16,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333848327] [2022-11-20 10:31:16,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333848327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:16,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:16,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:16,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645170323] [2022-11-20 10:31:16,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:16,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:16,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:16,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:16,226 INFO L87 Difference]: Start difference. First operand 18324 states and 18886 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:17,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:17,754 INFO L93 Difference]: Finished difference Result 39038 states and 40238 transitions. [2022-11-20 10:31:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:17,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 808 [2022-11-20 10:31:17,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:17,774 INFO L225 Difference]: With dead ends: 39038 [2022-11-20 10:31:17,775 INFO L226 Difference]: Without dead ends: 20716 [2022-11-20 10:31:17,783 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 [2022-11-20 10:31:17,784 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 268 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:17,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 138 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 10:31:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20716 states. [2022-11-20 10:31:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20716 to 18322. [2022-11-20 10:31:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18322 states, 18321 states have (on average 1.0303476884449538) internal successors, (18877), 18321 states have internal predecessors, (18877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18322 states to 18322 states and 18877 transitions. [2022-11-20 10:31:18,032 INFO L78 Accepts]: Start accepts. Automaton has 18322 states and 18877 transitions. Word has length 808 [2022-11-20 10:31:18,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:18,033 INFO L495 AbstractCegarLoop]: Abstraction has 18322 states and 18877 transitions. [2022-11-20 10:31:18,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 18322 states and 18877 transitions. [2022-11-20 10:31:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2022-11-20 10:31:18,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:18,046 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 10:31:18,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:31:18,046 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1610032020, now seen corresponding path program 1 times [2022-11-20 10:31:18,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:18,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528453752] [2022-11-20 10:31:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-11-20 10:31:19,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:19,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528453752] [2022-11-20 10:31:19,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528453752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:19,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:19,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:19,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378258140] [2022-11-20 10:31:19,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:19,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:19,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:19,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:19,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:19,219 INFO L87 Difference]: Start difference. First operand 18322 states and 18877 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:20,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:20,423 INFO L93 Difference]: Finished difference Result 37841 states and 38970 transitions. [2022-11-20 10:31:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:20,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 808 [2022-11-20 10:31:20,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:20,437 INFO L225 Difference]: With dead ends: 37841 [2022-11-20 10:31:20,437 INFO L226 Difference]: Without dead ends: 19521 [2022-11-20 10:31:20,443 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 [2022-11-20 10:31:20,443 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 242 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:20,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 522 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:31:20,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19521 states. [2022-11-20 10:31:20,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19521 to 18621. [2022-11-20 10:31:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18621 states, 18620 states have (on average 1.0297529538131043) internal successors, (19174), 18620 states have internal predecessors, (19174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18621 states to 18621 states and 19174 transitions. [2022-11-20 10:31:20,605 INFO L78 Accepts]: Start accepts. Automaton has 18621 states and 19174 transitions. Word has length 808 [2022-11-20 10:31:20,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:20,606 INFO L495 AbstractCegarLoop]: Abstraction has 18621 states and 19174 transitions. [2022-11-20 10:31:20,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18621 states and 19174 transitions. [2022-11-20 10:31:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-11-20 10:31:20,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:20,615 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:31:20,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:31:20,616 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:20,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash -116249522, now seen corresponding path program 1 times [2022-11-20 10:31:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:20,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780223764] [2022-11-20 10:31:20,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 690 proven. 188 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-11-20 10:31:22,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:22,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780223764] [2022-11-20 10:31:22,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780223764] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:22,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951871707] [2022-11-20 10:31:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:22,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:22,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:22,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:22,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:31:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:31:22,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2022-11-20 10:31:23,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:23,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951871707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:23,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:31:23,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-20 10:31:23,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399743498] [2022-11-20 10:31:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:23,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:31:23,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:31:23,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:23,183 INFO L87 Difference]: Start difference. First operand 18621 states and 19174 transitions. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:25,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:25,081 INFO L93 Difference]: Finished difference Result 35728 states and 36684 transitions. [2022-11-20 10:31:25,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:31:25,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 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 827 [2022-11-20 10:31:25,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:25,098 INFO L225 Difference]: With dead ends: 35728 [2022-11-20 10:31:25,098 INFO L226 Difference]: Without dead ends: 17109 [2022-11-20 10:31:25,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:25,108 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 350 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:25,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 434 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 10:31:25,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17109 states. [2022-11-20 10:31:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17109 to 12902. [2022-11-20 10:31:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12902 states, 12901 states have (on average 1.0217812572668785) internal successors, (13182), 12901 states have internal predecessors, (13182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:25,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12902 states to 12902 states and 13182 transitions. [2022-11-20 10:31:25,265 INFO L78 Accepts]: Start accepts. Automaton has 12902 states and 13182 transitions. Word has length 827 [2022-11-20 10:31:25,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:25,266 INFO L495 AbstractCegarLoop]: Abstraction has 12902 states and 13182 transitions. [2022-11-20 10:31:25,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 12902 states and 13182 transitions. [2022-11-20 10:31:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2022-11-20 10:31:25,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:25,279 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:25,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:25,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:25,480 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:25,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash 755994427, now seen corresponding path program 1 times [2022-11-20 10:31:25,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:25,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547778764] [2022-11-20 10:31:25,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 796 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-20 10:31:26,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:26,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547778764] [2022-11-20 10:31:26,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547778764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:26,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:26,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:26,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325382993] [2022-11-20 10:31:26,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:26,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:26,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:26,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:26,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:26,218 INFO L87 Difference]: Start difference. First operand 12902 states and 13182 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:27,282 INFO L93 Difference]: Finished difference Result 26703 states and 27311 transitions. [2022-11-20 10:31:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 835 [2022-11-20 10:31:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:27,292 INFO L225 Difference]: With dead ends: 26703 [2022-11-20 10:31:27,292 INFO L226 Difference]: Without dead ends: 14102 [2022-11-20 10:31:27,298 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 [2022-11-20 10:31:27,298 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 322 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:27,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 79 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:31:27,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14102 states. [2022-11-20 10:31:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14102 to 11702. [2022-11-20 10:31:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11702 states, 11701 states have (on average 1.0217930091445175) internal successors, (11956), 11701 states have internal predecessors, (11956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11702 states to 11702 states and 11956 transitions. [2022-11-20 10:31:27,410 INFO L78 Accepts]: Start accepts. Automaton has 11702 states and 11956 transitions. Word has length 835 [2022-11-20 10:31:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:27,411 INFO L495 AbstractCegarLoop]: Abstraction has 11702 states and 11956 transitions. [2022-11-20 10:31:27,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 11702 states and 11956 transitions. [2022-11-20 10:31:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2022-11-20 10:31:27,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:27,421 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:27,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:31:27,421 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:27,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1614144261, now seen corresponding path program 1 times [2022-11-20 10:31:27,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:27,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639997334] [2022-11-20 10:31:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:27,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1387 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-20 10:31:28,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:28,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639997334] [2022-11-20 10:31:28,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639997334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:28,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:28,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:28,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913589049] [2022-11-20 10:31:28,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:28,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:28,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:28,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:28,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:28,079 INFO L87 Difference]: Start difference. First operand 11702 states and 11956 transitions. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:29,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:29,222 INFO L93 Difference]: Finished difference Result 26405 states and 27009 transitions. [2022-11-20 10:31:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:29,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 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 848 [2022-11-20 10:31:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:29,237 INFO L225 Difference]: With dead ends: 26405 [2022-11-20 10:31:29,237 INFO L226 Difference]: Without dead ends: 15004 [2022-11-20 10:31:29,243 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 [2022-11-20 10:31:29,244 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 175 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:29,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 422 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:31:29,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15004 states. [2022-11-20 10:31:29,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15004 to 13506. [2022-11-20 10:31:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13506 states, 13505 states have (on average 1.0197704553868938) internal successors, (13772), 13505 states have internal predecessors, (13772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 13772 transitions. [2022-11-20 10:31:29,433 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 13772 transitions. Word has length 848 [2022-11-20 10:31:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:29,434 INFO L495 AbstractCegarLoop]: Abstraction has 13506 states and 13772 transitions. [2022-11-20 10:31:29,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 13772 transitions. [2022-11-20 10:31:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2022-11-20 10:31:29,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:29,457 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:29,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:31:29,458 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:29,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:29,458 INFO L85 PathProgramCache]: Analyzing trace with hash 951248207, now seen corresponding path program 1 times [2022-11-20 10:31:29,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:29,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113404234] [2022-11-20 10:31:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:29,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2022-11-20 10:31:30,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:30,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113404234] [2022-11-20 10:31:30,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113404234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:30,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:30,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:31:30,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852623996] [2022-11-20 10:31:30,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:30,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:31:30,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:31:30,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:30,400 INFO L87 Difference]: Start difference. First operand 13506 states and 13772 transitions. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:32,176 INFO L93 Difference]: Finished difference Result 30310 states and 30897 transitions. [2022-11-20 10:31:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:31:32,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 901 [2022-11-20 10:31:32,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:32,189 INFO L225 Difference]: With dead ends: 30310 [2022-11-20 10:31:32,189 INFO L226 Difference]: Without dead ends: 16806 [2022-11-20 10:31:32,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:32,196 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 488 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:32,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 391 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 10:31:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16806 states. [2022-11-20 10:31:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16806 to 13206. [2022-11-20 10:31:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13206 states, 13205 states have (on average 1.019310867095797) internal successors, (13460), 13205 states have internal predecessors, (13460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13206 states to 13206 states and 13460 transitions. [2022-11-20 10:31:32,333 INFO L78 Accepts]: Start accepts. Automaton has 13206 states and 13460 transitions. Word has length 901 [2022-11-20 10:31:32,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:32,334 INFO L495 AbstractCegarLoop]: Abstraction has 13206 states and 13460 transitions. [2022-11-20 10:31:32,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 13206 states and 13460 transitions. [2022-11-20 10:31:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2022-11-20 10:31:32,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:32,346 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:32,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:31:32,346 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:32,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1053451910, now seen corresponding path program 1 times [2022-11-20 10:31:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:32,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169621944] [2022-11-20 10:31:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:32,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1001 proven. 180 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-20 10:31:34,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:34,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169621944] [2022-11-20 10:31:34,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169621944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:34,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778868046] [2022-11-20 10:31:34,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:34,035 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:34,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 10:31:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:31:34,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1129 proven. 76 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-20 10:31:34,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:31:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 1054 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-20 10:31:35,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778868046] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:35,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:31:35,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2022-11-20 10:31:35,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154726643] [2022-11-20 10:31:35,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:35,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:35,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:31:35,546 INFO L87 Difference]: Start difference. First operand 13206 states and 13460 transitions. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:36,662 INFO L93 Difference]: Finished difference Result 26711 states and 27226 transitions. [2022-11-20 10:31:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 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 905 [2022-11-20 10:31:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:36,671 INFO L225 Difference]: With dead ends: 26711 [2022-11-20 10:31:36,671 INFO L226 Difference]: Without dead ends: 13806 [2022-11-20 10:31:36,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1815 GetRequests, 1809 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:31:36,677 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 243 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:36,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 41 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:31:36,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13806 states. [2022-11-20 10:31:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13806 to 13804. [2022-11-20 10:31:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13804 states, 13803 states have (on average 1.0181120046366732) internal successors, (14053), 13803 states have internal predecessors, (14053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13804 states to 13804 states and 14053 transitions. [2022-11-20 10:31:36,873 INFO L78 Accepts]: Start accepts. Automaton has 13804 states and 14053 transitions. Word has length 905 [2022-11-20 10:31:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:36,873 INFO L495 AbstractCegarLoop]: Abstraction has 13804 states and 14053 transitions. [2022-11-20 10:31:36,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,874 INFO L276 IsEmpty]: Start isEmpty. Operand 13804 states and 14053 transitions. [2022-11-20 10:31:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2022-11-20 10:31:36,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:36,886 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:36,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:37,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-20 10:31:37,092 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:37,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:37,093 INFO L85 PathProgramCache]: Analyzing trace with hash -713274004, now seen corresponding path program 1 times [2022-11-20 10:31:37,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:37,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354533323] [2022-11-20 10:31:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:37,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 859 proven. 188 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 10:31:38,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:38,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354533323] [2022-11-20 10:31:38,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354533323] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:38,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838621217] [2022-11-20 10:31:38,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:38,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:38,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:38,379 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:38,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 10:31:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:38,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:31:38,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:44,204 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 53 DAG size of output: 24 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 10:31:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 876 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-11-20 10:31:50,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:50,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838621217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:50,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:31:50,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-20 10:31:50,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168245182] [2022-11-20 10:31:50,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:50,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:31:50,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:50,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:31:50,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:50,481 INFO L87 Difference]: Start difference. First operand 13804 states and 14053 transitions. Second operand has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:50,582 INFO L93 Difference]: Finished difference Result 14408 states and 14669 transitions. [2022-11-20 10:31:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:31:50,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 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 914 [2022-11-20 10:31:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:50,596 INFO L225 Difference]: With dead ends: 14408 [2022-11-20 10:31:50,596 INFO L226 Difference]: Without dead ends: 14107 [2022-11-20 10:31:50,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 912 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:50,600 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 319 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1694 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:50,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 461 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 1694 Unchecked, 0.0s Time] [2022-11-20 10:31:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14107 states. [2022-11-20 10:31:50,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14107 to 14103. [2022-11-20 10:31:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14103 states, 14102 states have (on average 1.01822436533825) internal successors, (14359), 14102 states have internal predecessors, (14359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14103 states to 14103 states and 14359 transitions. [2022-11-20 10:31:50,891 INFO L78 Accepts]: Start accepts. Automaton has 14103 states and 14359 transitions. Word has length 914 [2022-11-20 10:31:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:50,892 INFO L495 AbstractCegarLoop]: Abstraction has 14103 states and 14359 transitions. [2022-11-20 10:31:50,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 14103 states and 14359 transitions. [2022-11-20 10:31:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2022-11-20 10:31:50,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:50,908 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 10:31:50,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 10:31:51,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-20 10:31:51,115 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash -719059616, now seen corresponding path program 1 times [2022-11-20 10:31:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:51,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019355260] [2022-11-20 10:31:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-11-20 10:31:52,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:52,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019355260] [2022-11-20 10:31:52,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019355260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:52,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:52,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:31:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579295648] [2022-11-20 10:31:52,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:52,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:31:52,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:52,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:31:52,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:52,007 INFO L87 Difference]: Start difference. First operand 14103 states and 14359 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:54,058 INFO L93 Difference]: Finished difference Result 32407 states and 32987 transitions. [2022-11-20 10:31:54,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:31:54,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 917 [2022-11-20 10:31:54,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:54,070 INFO L225 Difference]: With dead ends: 32407 [2022-11-20 10:31:54,070 INFO L226 Difference]: Without dead ends: 18306 [2022-11-20 10:31:54,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:31:54,075 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 361 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1420 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:54,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 58 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1420 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 10:31:54,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18306 states. [2022-11-20 10:31:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18306 to 13804. [2022-11-20 10:31:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13804 states, 13803 states have (on average 1.0182569006737665) internal successors, (14055), 13803 states have internal predecessors, (14055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13804 states to 13804 states and 14055 transitions. [2022-11-20 10:31:54,214 INFO L78 Accepts]: Start accepts. Automaton has 13804 states and 14055 transitions. Word has length 917 [2022-11-20 10:31:54,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:54,214 INFO L495 AbstractCegarLoop]: Abstraction has 13804 states and 14055 transitions. [2022-11-20 10:31:54,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 13804 states and 14055 transitions. [2022-11-20 10:31:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2022-11-20 10:31:54,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:54,227 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:54,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:31:54,228 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:54,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:54,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1190810924, now seen corresponding path program 1 times [2022-11-20 10:31:54,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:54,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555111051] [2022-11-20 10:31:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 786 proven. 499 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-20 10:31:55,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:55,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555111051] [2022-11-20 10:31:55,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555111051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:55,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919241600] [2022-11-20 10:31:55,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:55,939 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:55,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 10:31:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:56,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:31:56,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-11-20 10:31:56,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:56,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919241600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:56,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:31:56,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-20 10:31:56,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239686335] [2022-11-20 10:31:56,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:56,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:56,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:56,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:56,816 INFO L87 Difference]: Start difference. First operand 13804 states and 14055 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:57,993 INFO L93 Difference]: Finished difference Result 29108 states and 29645 transitions. [2022-11-20 10:31:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:57,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 920 [2022-11-20 10:31:57,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:58,005 INFO L225 Difference]: With dead ends: 29108 [2022-11-20 10:31:58,005 INFO L226 Difference]: Without dead ends: 15605 [2022-11-20 10:31:58,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 920 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:58,066 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 154 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:58,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 432 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:31:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15605 states. [2022-11-20 10:31:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15605 to 15002. [2022-11-20 10:31:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15002 states, 15001 states have (on average 1.0177321511899207) internal successors, (15267), 15001 states have internal predecessors, (15267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15002 states to 15002 states and 15267 transitions. [2022-11-20 10:31:58,206 INFO L78 Accepts]: Start accepts. Automaton has 15002 states and 15267 transitions. Word has length 920 [2022-11-20 10:31:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:58,207 INFO L495 AbstractCegarLoop]: Abstraction has 15002 states and 15267 transitions. [2022-11-20 10:31:58,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 15002 states and 15267 transitions. [2022-11-20 10:31:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2022-11-20 10:31:58,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:58,222 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:58,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:58,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-20 10:31:58,429 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash 835564121, now seen corresponding path program 1 times [2022-11-20 10:31:58,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:58,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615094825] [2022-11-20 10:31:58,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 1009 proven. 501 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-20 10:32:00,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:00,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615094825] [2022-11-20 10:32:00,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615094825] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:00,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143093087] [2022-11-20 10:32:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:00,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:00,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:00,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:00,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 10:32:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:00,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:32:00,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-11-20 10:32:01,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:01,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143093087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:01,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:01,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-20 10:32:01,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963634280] [2022-11-20 10:32:01,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:01,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:01,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:01,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:01,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:01,552 INFO L87 Difference]: Start difference. First operand 15002 states and 15267 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:02,771 INFO L93 Difference]: Finished difference Result 31504 states and 32056 transitions. [2022-11-20 10:32:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 922 [2022-11-20 10:32:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:02,784 INFO L225 Difference]: With dead ends: 31504 [2022-11-20 10:32:02,784 INFO L226 Difference]: Without dead ends: 16803 [2022-11-20 10:32:02,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 922 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:02,790 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 166 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:02,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 383 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:32:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16803 states. [2022-11-20 10:32:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16803 to 14703. [2022-11-20 10:32:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14703 states, 14702 states have (on average 1.0167324173581826) internal successors, (14948), 14702 states have internal predecessors, (14948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14703 states to 14703 states and 14948 transitions. [2022-11-20 10:32:02,991 INFO L78 Accepts]: Start accepts. Automaton has 14703 states and 14948 transitions. Word has length 922 [2022-11-20 10:32:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:02,992 INFO L495 AbstractCegarLoop]: Abstraction has 14703 states and 14948 transitions. [2022-11-20 10:32:02,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14703 states and 14948 transitions. [2022-11-20 10:32:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2022-11-20 10:32:03,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:03,005 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 10:32:03,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:03,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-20 10:32:03,205 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash 971199432, now seen corresponding path program 1 times [2022-11-20 10:32:03,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:03,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132265825] [2022-11-20 10:32:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:03,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2022-11-20 10:32:04,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:04,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132265825] [2022-11-20 10:32:04,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132265825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:04,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:04,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:32:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640305153] [2022-11-20 10:32:04,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:04,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:04,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:04,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:04,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:04,136 INFO L87 Difference]: Start difference. First operand 14703 states and 14948 transitions. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:05,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:05,887 INFO L93 Difference]: Finished difference Result 32402 states and 32939 transitions. [2022-11-20 10:32:05,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:32:05,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 0 states have call successors, (0), 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 1054 [2022-11-20 10:32:05,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:05,900 INFO L225 Difference]: With dead ends: 32402 [2022-11-20 10:32:05,900 INFO L226 Difference]: Without dead ends: 16499 [2022-11-20 10:32:05,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:05,906 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 492 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:05,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 76 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 10:32:05,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16499 states. [2022-11-20 10:32:06,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16499 to 13201. [2022-11-20 10:32:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13201 states, 13200 states have (on average 1.0163636363636364) internal successors, (13416), 13200 states have internal predecessors, (13416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13201 states to 13201 states and 13416 transitions. [2022-11-20 10:32:06,100 INFO L78 Accepts]: Start accepts. Automaton has 13201 states and 13416 transitions. Word has length 1054 [2022-11-20 10:32:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:06,101 INFO L495 AbstractCegarLoop]: Abstraction has 13201 states and 13416 transitions. [2022-11-20 10:32:06,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 13201 states and 13416 transitions. [2022-11-20 10:32:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1544 [2022-11-20 10:32:06,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:06,124 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-20 10:32:06,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 10:32:06,124 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:06,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash 412707061, now seen corresponding path program 1 times [2022-11-20 10:32:06,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:06,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819335536] [2022-11-20 10:32:06,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:06,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 2363 proven. 0 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-11-20 10:32:06,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:06,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819335536] [2022-11-20 10:32:06,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819335536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:06,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:06,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:06,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328166404] [2022-11-20 10:32:06,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:06,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:06,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:06,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:06,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:06,872 INFO L87 Difference]: Start difference. First operand 13201 states and 13416 transitions. Second operand has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:07,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:07,845 INFO L93 Difference]: Finished difference Result 25497 states and 25914 transitions. [2022-11-20 10:32:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:07,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 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 1543 [2022-11-20 10:32:07,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:07,847 INFO L225 Difference]: With dead ends: 25497 [2022-11-20 10:32:07,848 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:32:07,852 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 [2022-11-20 10:32:07,853 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 32 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:07,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 385 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:32:07,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:32:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:32:07,854 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) [2022-11-20 10:32:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:32:07,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1543 [2022-11-20 10:32:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:07,855 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:32:07,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:32:07,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:32:07,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:32:07,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 10:32:07,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:32:12,873 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 514 DAG size of output: 512 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,685 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,686 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-20 10:32:35,687 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,688 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,689 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,690 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,691 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,692 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,693 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,694 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-11-20 10:32:35,695 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,696 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:32:35,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,698 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-11-20 10:32:35,699 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-11-20 10:32:35,700 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,701 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,702 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-11-20 10:32:35,703 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-11-20 10:32:35,704 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,705 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-20 10:32:35,706 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-11-20 10:32:35,707 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,708 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,709 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,710 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,711 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,712 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,713 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,714 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,715 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,715 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,715 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86)) (.cse24 (+ ~a0~0 61))) (let ((.cse20 (<= ~a29~0 43)) (.cse2 (<= .cse24 0)) (.cse8 (< 0 .cse23)) (.cse6 (= ~a2~0 1)) (.cse5 (+ ~a29~0 127)) (.cse25 (+ ~a0~0 147))) (let ((.cse17 (<= 0 (+ ~a29~0 13))) (.cse4 (<= .cse25 0)) (.cse7 (<= .cse5 0)) (.cse22 (<= 0 (+ ~a29~0 16))) (.cse15 (or (and .cse6 .cse2) (and .cse8 .cse6))) (.cse16 (<= 0 (+ ~a29~0 143))) (.cse26 (<= 0 (+ 141 ~a0~0))) (.cse11 (<= (+ 98 ~a0~0) 0)) (.cse18 (<= 0 (+ ~a0~0 145))) (.cse13 (<= 48790 ~a29~0)) (.cse3 (<= 5 ~a2~0)) (.cse14 (not .cse20)) (.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse19 (= ~a2~0 4)) (.cse9 (<= (+ 148 ~a0~0) 0)) (.cse10 (<= (+ 42 ~a4~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse12 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 (not .cse4) .cse2) (and (<= 0 .cse5) .cse1 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse8 .cse9 .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13 .cse4 .cse3 .cse14 .cse2) (and .cse9 .cse10 .cse15 .cse16) (and .cse1 .cse6 .cse2) (and .cse1 .cse3 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse8 .cse10 .cse0 .cse11 .cse17 .cse18) (and .cse9 .cse10 .cse19 .cse16 .cse20) (and .cse10 .cse4 .cse16 .cse21 .cse20 .cse2) (and .cse8 .cse10 .cse4 .cse22 .cse3) (and .cse1 .cse19 .cse12 .cse20) (and .cse1 .cse12 .cse21) (and (<= 0 (+ 97 ~a0~0)) .cse10 .cse15 .cse16 .cse20) (and .cse8 .cse10 .cse0 .cse4 .cse22 .cse11) (and .cse6 (<= .cse23 0) .cse2 (<= (+ ~a29~0 144) 0)) (and (or (and .cse1 .cse3 .cse17) (and (< 0 .cse24) .cse1 .cse3)) .cse22 .cse20) (and .cse10 .cse4 .cse12 .cse21 .cse7) (and (< 0 .cse25) .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse11 .cse3 (<= 168789 ~a29~0) .cse14 .cse2) (and .cse9 .cse10 .cse3 .cse14 .cse2) (and .cse10 .cse22 .cse15 .cse20) (and .cse1 .cse19 .cse2) (and .cse10 .cse11 .cse12 (or (and .cse3 .cse26) (and .cse8 .cse3 .cse18))) (and .cse8 (< 43 ~a29~0) .cse10 .cse11 .cse19) (and .cse1 .cse3 .cse14 .cse2) (and .cse0 .cse11 .cse14) (and .cse8 .cse9 .cse10 .cse3) (and .cse8 .cse10 .cse11 .cse3 .cse16 .cse20) (and .cse12 (or (and .cse10 .cse11 .cse26 .cse21 .cse2) (and .cse8 .cse10 .cse11 .cse14 .cse21 .cse18))) (and .cse1 .cse21 .cse2) (and .cse13 .cse1 .cse3 .cse14) (and .cse0 .cse1 .cse12) (and (or (and .cse8 .cse9 .cse10 .cse19) (and .cse8 .cse9 .cse10 .cse21)) .cse12))))) [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,716 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,717 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,717 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,717 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-11-20 10:32:35,717 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,717 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-20 10:32:35,718 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-20 10:32:35,719 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:32:35,720 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,721 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,721 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,721 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,721 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse25 (+ ~a4~0 86)) (.cse23 (+ ~a0~0 61))) (let ((.cse20 (<= ~a29~0 43)) (.cse2 (<= .cse23 0)) (.cse8 (< 0 .cse25)) (.cse6 (= ~a2~0 1)) (.cse5 (+ ~a29~0 127)) (.cse24 (+ ~a0~0 147))) (let ((.cse17 (<= 0 (+ ~a29~0 13))) (.cse4 (<= .cse24 0)) (.cse7 (<= .cse5 0)) (.cse22 (<= 0 (+ ~a29~0 16))) (.cse15 (or (and .cse6 .cse2) (and .cse8 .cse6))) (.cse16 (<= 0 (+ ~a29~0 143))) (.cse26 (<= 0 (+ 141 ~a0~0))) (.cse11 (<= (+ 98 ~a0~0) 0)) (.cse18 (<= 0 (+ ~a0~0 145))) (.cse13 (<= 48790 ~a29~0)) (.cse3 (<= 5 ~a2~0)) (.cse14 (not .cse20)) (.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse19 (= ~a2~0 4)) (.cse9 (<= (+ 148 ~a0~0) 0)) (.cse10 (<= (+ 42 ~a4~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse12 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 (not .cse4) .cse2) (and (<= 0 .cse5) .cse1 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse8 .cse9 .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13 .cse4 .cse3 .cse14 .cse2) (and .cse9 .cse10 .cse15 .cse16) (and .cse1 .cse6 .cse2) (and .cse1 .cse3 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse8 .cse10 .cse0 .cse11 .cse17 .cse18) (and .cse9 .cse10 .cse19 .cse16 .cse20) (and .cse10 .cse4 .cse16 .cse21 .cse20 .cse2) (and .cse8 .cse10 .cse4 .cse22 .cse3) (and .cse1 .cse19 .cse12 .cse20) (and .cse1 .cse12 .cse21) (and (<= 0 (+ 97 ~a0~0)) .cse10 .cse15 .cse16 .cse20) (and .cse8 .cse10 .cse0 .cse4 .cse22 .cse11) (and (or (and .cse1 .cse3 .cse17) (and (< 0 .cse23) .cse1 .cse3)) .cse22 .cse20) (and .cse10 .cse4 .cse12 .cse21 .cse7) (and (< 0 .cse24) .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse11 .cse3 (<= 168789 ~a29~0) .cse14 .cse2) (and .cse9 .cse10 .cse3 .cse14 .cse2) (and .cse10 .cse22 .cse15 .cse20) (and .cse1 .cse19 .cse2) (and .cse6 (<= .cse25 0) (<= (+ ~a29~0 144) 0)) (and .cse10 .cse11 .cse12 (or (and .cse3 .cse26) (and .cse8 .cse3 .cse18))) (and .cse8 (< 43 ~a29~0) .cse10 .cse11 .cse19) (and .cse1 .cse3 .cse14 .cse2) (and .cse0 .cse11 .cse14) (and .cse8 .cse9 .cse10 .cse3) (and .cse8 .cse10 .cse11 .cse3 .cse16 .cse20) (and .cse12 (or (and .cse10 .cse11 .cse26 .cse21 .cse2) (and .cse8 .cse10 .cse11 .cse14 .cse21 .cse18))) (and .cse1 .cse21 .cse2) (and .cse13 .cse1 .cse3 .cse14) (and .cse0 .cse1 .cse12) (and (or (and .cse8 .cse9 .cse10 .cse19) (and .cse8 .cse9 .cse10 .cse21)) .cse12))))) [2022-11-20 10:32:35,722 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,722 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-20 10:32:35,722 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-20 10:32:35,722 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,722 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-20 10:32:35,723 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,724 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,725 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,726 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,727 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,728 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,729 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-11-20 10:32:35,730 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,731 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,732 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,732 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,732 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse25 (+ ~a4~0 86)) (.cse23 (+ ~a0~0 61))) (let ((.cse20 (<= ~a29~0 43)) (.cse2 (<= .cse23 0)) (.cse8 (< 0 .cse25)) (.cse6 (= ~a2~0 1)) (.cse5 (+ ~a29~0 127)) (.cse24 (+ ~a0~0 147))) (let ((.cse17 (<= 0 (+ ~a29~0 13))) (.cse4 (<= .cse24 0)) (.cse7 (<= .cse5 0)) (.cse22 (<= 0 (+ ~a29~0 16))) (.cse15 (or (and .cse6 .cse2) (and .cse8 .cse6))) (.cse16 (<= 0 (+ ~a29~0 143))) (.cse26 (<= 0 (+ 141 ~a0~0))) (.cse11 (<= (+ 98 ~a0~0) 0)) (.cse18 (<= 0 (+ ~a0~0 145))) (.cse13 (<= 48790 ~a29~0)) (.cse3 (<= 5 ~a2~0)) (.cse14 (not .cse20)) (.cse0 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse19 (= ~a2~0 4)) (.cse9 (<= (+ 148 ~a0~0) 0)) (.cse10 (<= (+ 42 ~a4~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse12 (<= 0 (+ 600001 ~a29~0)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 (not .cse4) .cse2) (and (<= 0 .cse5) .cse1 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse8 .cse9 .cse10 .cse0 .cse11 .cse12) (and .cse10 .cse13 .cse4 .cse3 .cse14 .cse2) (and .cse9 .cse10 .cse15 .cse16) (and .cse1 .cse6 .cse2) (and .cse1 .cse3 (<= (+ ~a29~0 173705) 0) .cse2) (and .cse8 .cse10 .cse0 .cse11 .cse17 .cse18) (and .cse9 .cse10 .cse19 .cse16 .cse20) (and .cse10 .cse4 .cse16 .cse21 .cse20 .cse2) (and .cse8 .cse10 .cse4 .cse22 .cse3) (and .cse1 .cse19 .cse12 .cse20) (and .cse1 .cse12 .cse21) (and (<= 0 (+ 97 ~a0~0)) .cse10 .cse15 .cse16 .cse20) (and .cse8 .cse10 .cse0 .cse4 .cse22 .cse11) (and (or (and .cse1 .cse3 .cse17) (and (< 0 .cse23) .cse1 .cse3)) .cse22 .cse20) (and .cse10 .cse4 .cse12 .cse21 .cse7) (and (< 0 .cse24) .cse10 .cse11 .cse6 .cse12 .cse20) (and .cse10 .cse11 .cse3 (<= 168789 ~a29~0) .cse14 .cse2) (and .cse9 .cse10 .cse3 .cse14 .cse2) (and .cse10 .cse22 .cse15 .cse20) (and .cse1 .cse19 .cse2) (and .cse6 (<= .cse25 0) (<= (+ ~a29~0 144) 0)) (and .cse10 .cse11 .cse12 (or (and .cse3 .cse26) (and .cse8 .cse3 .cse18))) (and .cse8 (< 43 ~a29~0) .cse10 .cse11 .cse19) (and .cse1 .cse3 .cse14 .cse2) (and .cse0 .cse11 .cse14) (and .cse8 .cse9 .cse10 .cse3) (and .cse8 .cse10 .cse11 .cse3 .cse16 .cse20) (and .cse12 (or (and .cse10 .cse11 .cse26 .cse21 .cse2) (and .cse8 .cse10 .cse11 .cse14 .cse21 .cse18))) (and .cse1 .cse21 .cse2) (and .cse13 .cse1 .cse3 .cse14) (and .cse0 .cse1 .cse12) (and (or (and .cse8 .cse9 .cse10 .cse19) (and .cse8 .cse9 .cse10 .cse21)) .cse12))))) [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,733 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-20 10:32:35,734 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,735 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,736 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,737 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,738 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-20 10:32:35,739 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,740 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-11-20 10:32:35,740 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,740 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-20 10:32:35,740 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-11-20 10:32:35,743 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:35,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:32:35,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:32:35 BoogieIcfgContainer [2022-11-20 10:32:35,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:32:35,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:32:35,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:32:35,783 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:32:35,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:09" (3/4) ... [2022-11-20 10:32:35,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:32:35,836 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 10:32:35,838 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:32:35,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:32:35,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:32:36,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:32:36,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:32:36,025 INFO L158 Benchmark]: Toolchain (without parser) took 152315.44ms. Allocated memory was 157.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 120.1MB in the beginning and 714.3MB in the end (delta: -594.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-20 10:32:36,025 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:32:36,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1243.63ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 120.0MB in the beginning and 150.3MB in the end (delta: -30.3MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2022-11-20 10:32:36,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.46ms. Allocated memory is still 203.4MB. Free memory was 150.3MB in the beginning and 112.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 10:32:36,029 INFO L158 Benchmark]: Boogie Preprocessor took 188.66ms. Allocated memory is still 203.4MB. Free memory was 112.5MB in the beginning and 93.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:32:36,030 INFO L158 Benchmark]: RCFGBuilder took 3965.32ms. Allocated memory was 203.4MB in the beginning and 287.3MB in the end (delta: 83.9MB). Free memory was 93.6MB in the beginning and 193.1MB in the end (delta: -99.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-11-20 10:32:36,035 INFO L158 Benchmark]: TraceAbstraction took 146409.06ms. Allocated memory was 287.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 192.1MB in the beginning and 739.5MB in the end (delta: -547.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-20 10:32:36,038 INFO L158 Benchmark]: Witness Printer took 242.27ms. Allocated memory is still 1.8GB. Free memory was 738.5MB in the beginning and 714.3MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 10:32:36,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1243.63ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 120.0MB in the beginning and 150.3MB in the end (delta: -30.3MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.46ms. Allocated memory is still 203.4MB. Free memory was 150.3MB in the beginning and 112.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.66ms. Allocated memory is still 203.4MB. Free memory was 112.5MB in the beginning and 93.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3965.32ms. Allocated memory was 203.4MB in the beginning and 287.3MB in the end (delta: 83.9MB). Free memory was 93.6MB in the beginning and 193.1MB in the end (delta: -99.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * TraceAbstraction took 146409.06ms. Allocated memory was 287.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 192.1MB in the beginning and 739.5MB in the end (delta: -547.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 242.27ms. Allocated memory is still 1.8GB. Free memory was 738.5MB in the beginning and 714.3MB in the end (delta: 24.1MB). 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: 203]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 146.3s, OverallIterations: 30, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 62.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10597 SdHoareTripleChecker+Valid, 57.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10597 mSDsluCounter, 10661 SdHoareTripleChecker+Invalid, 49.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1694 IncrementalHoareTripleChecker+Unchecked, 1092 mSDsCounter, 4252 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32703 IncrementalHoareTripleChecker+Invalid, 38649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4252 mSolverCounterUnsat, 9569 mSDtfsCounter, 32703 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9092 GetRequests, 9012 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18621occurred in iteration=19, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 30 MinimizatonAttempts, 43214 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 238 NumberOfFragments, 2610 HoareAnnotationTreeSize, 4 FomulaSimplifications, 15155 FormulaSimplificationTreeSizeReduction, 14.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 567186 FormulaSimplificationTreeSizeReductionInter, 13.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 41.2s InterpolantComputationTime, 27429 NumberOfCodeBlocks, 27429 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 28918 ConstructedInterpolants, 285 QuantifiedInterpolants, 99492 SizeOfPredicates, 7 NumberOfNonLiveVariables, 9046 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 42 InterpolantComputations, 29 PerfectInterpolantSequences, 40514/42732 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((89 + a4 <= 0 && 5 <= a2) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 600001 + a29)) || (((((42 + a4 <= 0 && 48790 <= a29) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a29 + 13) && 0 <= a0 + 145)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 <= a29 + 143) && a29 <= 43)) || (((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= a29 + 16) && 5 <= a2)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 <= 43)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && a29 <= 43)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= a29 + 16) && 98 + a0 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((((89 + a4 <= 0 && 5 <= a2) && 0 <= a29 + 13) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) && 0 <= a29 + 16) && a29 <= 43)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && 0 <= 600001 + a29) && a29 <= 43)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2) && 168789 <= a29) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 16) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 600001 + a29) && ((5 <= a2 && 0 <= 141 + a0) || ((0 < a4 + 86 && 5 <= a2) && 0 <= a0 + 145)))) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((2 == a2 && 98 + a0 <= 0) && !(a29 <= 43))) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || (0 <= 600001 + a29 && (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 141 + a0) && 3 == a2) && a0 + 61 <= 0) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a29 <= 43)) && 3 == a2) && 0 <= a0 + 145)))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((48790 <= a29 && 89 + a4 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 <= 600001 + a29)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 3 == a2)) && 0 <= 600001 + a29) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((89 + a4 <= 0 && 5 <= a2) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 600001 + a29)) || (((((42 + a4 <= 0 && 48790 <= a29) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a29 + 13) && 0 <= a0 + 145)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 <= a29 + 143) && a29 <= 43)) || (((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= a29 + 16) && 5 <= a2)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 <= 43)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && a29 <= 43)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= a29 + 16) && 98 + a0 <= 0)) || (((((89 + a4 <= 0 && 5 <= a2) && 0 <= a29 + 13) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) && 0 <= a29 + 16) && a29 <= 43)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && 0 <= 600001 + a29) && a29 <= 43)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2) && 168789 <= a29) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 16) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 600001 + a29) && ((5 <= a2 && 0 <= 141 + a0) || ((0 < a4 + 86 && 5 <= a2) && 0 <= a0 + 145)))) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((2 == a2 && 98 + a0 <= 0) && !(a29 <= 43))) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || (0 <= 600001 + a29 && (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 141 + a0) && 3 == a2) && a0 + 61 <= 0) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a29 <= 43)) && 3 == a2) && 0 <= a0 + 145)))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((48790 <= a29 && 89 + a4 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 <= 600001 + a29)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 3 == a2)) && 0 <= 600001 + a29) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((89 + a4 <= 0 && 5 <= a2) && !(a0 + 147 <= 0)) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 600001 + a29)) || (((((42 + a4 <= 0 && 48790 <= a29) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && a29 + 173705 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a29 + 13) && 0 <= a0 + 145)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) && 0 <= a29 + 143) && a29 <= 43)) || (((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= a29 + 143) && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 0 <= a29 + 16) && 5 <= a2)) || (((89 + a4 <= 0 && a2 == 4) && 0 <= 600001 + a29) && a29 <= 43)) || ((89 + a4 <= 0 && 0 <= 600001 + a29) && 3 == a2)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 143) && a29 <= 43)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= a29 + 16) && 98 + a0 <= 0)) || (((((89 + a4 <= 0 && 5 <= a2) && 0 <= a29 + 13) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) && 0 <= a29 + 16) && a29 <= 43)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && 0 <= 600001 + a29) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && 0 <= 600001 + a29) && a29 <= 43)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2) && 168789 <= a29) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 16) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 600001 + a29) && ((5 <= a2 && 0 <= 141 + a0) || ((0 < a4 + 86 && 5 <= a2) && 0 <= a0 + 145)))) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((89 + a4 <= 0 && 5 <= a2) && !(a29 <= 43)) && a0 + 61 <= 0)) || ((2 == a2 && 98 + a0 <= 0) && !(a29 <= 43))) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 5 <= a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 <= a29 + 143) && a29 <= 43)) || (0 <= 600001 + a29 && (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 141 + a0) && 3 == a2) && a0 + 61 <= 0) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a29 <= 43)) && 3 == a2) && 0 <= a0 + 145)))) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((48790 <= a29 && 89 + a4 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 <= 600001 + a29)) || (((((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 4) || (((0 < a4 + 86 && 148 + a0 <= 0) && 42 + a4 <= 0) && 3 == a2)) && 0 <= 600001 + a29) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:32:36,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31d1f8d-9730-4188-9a6f-f634016d43e6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE