./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:33:57,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:33:57,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:33:57,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:33:57,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:33:57,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:33:57,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:33:57,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:33:57,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:33:57,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:33:57,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:33:57,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:33:57,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:33:57,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:33:57,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:33:57,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:33:57,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:33:57,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:33:57,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:33:57,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:33:57,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:33:57,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:33:57,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:33:57,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:33:57,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:33:57,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:33:57,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:33:57,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:33:57,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:33:57,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:33:57,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:33:57,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:33:57,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:33:57,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:33:57,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:33:57,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:33:57,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:33:57,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:33:57,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:33:57,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:33:57,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:33:57,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 21:33:57,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:33:57,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:33:57,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:33:57,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:33:57,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:33:57,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:33:57,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:33:57,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:33:57,343 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:33:57,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:33:57,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:33:57,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:33:57,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:33:57,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:33:57,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:33:57,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:33:57,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:33:57,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:33:57,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:33:57,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:33:57,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:33:57,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:33:57,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:33:57,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:33:57,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:33:57,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:33:57,347 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2022-12-13 21:33:57,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:33:57,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:33:57,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:33:57,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:33:57,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:33:57,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-12-13 21:34:00,310 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:34:00,502 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:34:00,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-12-13 21:34:00,509 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/data/75a5611de/c0e9206192bf436a8813cb1813c8dc8a/FLAGaf43eb1b4 [2022-12-13 21:34:00,521 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/data/75a5611de/c0e9206192bf436a8813cb1813c8dc8a [2022-12-13 21:34:00,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:34:00,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:34:00,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:34:00,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:34:00,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:34:00,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e18611e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00, skipping insertion in model container [2022-12-13 21:34:00,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:34:00,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:34:00,707 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_2b7535da-120d-4674-af5d-ebea3177d616/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-12-13 21:34:00,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:34:00,716 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:34:00,741 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_2b7535da-120d-4674-af5d-ebea3177d616/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-12-13 21:34:00,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:34:00,752 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:34:00,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00 WrapperNode [2022-12-13 21:34:00,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:34:00,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:34:00,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:34:00,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:34:00,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,781 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 219 [2022-12-13 21:34:00,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:34:00,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:34:00,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:34:00,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:34:00,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:34:00,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:34:00,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:34:00,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:34:00,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (1/1) ... [2022-12-13 21:34:00,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:34:00,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:34:00,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:34:00,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:34:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:34:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:34:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:34:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:34:00,931 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:34:00,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:34:01,177 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:34:01,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:34:01,182 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:34:01,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01 BoogieIcfgContainer [2022-12-13 21:34:01,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:34:01,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:34:01,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:34:01,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:34:01,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:34:00" (1/3) ... [2022-12-13 21:34:01,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b46c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:34:01, skipping insertion in model container [2022-12-13 21:34:01,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:34:00" (2/3) ... [2022-12-13 21:34:01,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b46c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:34:01, skipping insertion in model container [2022-12-13 21:34:01,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01" (3/3) ... [2022-12-13 21:34:01,191 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-12-13 21:34:01,205 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:34:01,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-12-13 21:34:01,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:34:01,247 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;@2eeffadd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:34:01,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-12-13 21:34:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 68 states have (on average 1.75) internal successors, (119), 82 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 21:34:01,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:01,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:01,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:01,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:01,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1091460306, now seen corresponding path program 1 times [2022-12-13 21:34:01,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:01,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097756202] [2022-12-13 21:34:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:01,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:01,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097756202] [2022-12-13 21:34:01,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097756202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:01,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:01,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:34:01,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392046876] [2022-12-13 21:34:01,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:01,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:34:01,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:34:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:34:01,411 INFO L87 Difference]: Start difference. First operand has 83 states, 68 states have (on average 1.75) internal successors, (119), 82 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:01,432 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2022-12-13 21:34:01,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:34:01,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-12-13 21:34:01,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:01,440 INFO L225 Difference]: With dead ends: 139 [2022-12-13 21:34:01,440 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 21:34:01,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:34:01,444 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:01,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 21:34:01,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 21:34:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.703125) internal successors, (109), 75 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 109 transitions. [2022-12-13 21:34:01,468 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 109 transitions. Word has length 10 [2022-12-13 21:34:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:01,469 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 109 transitions. [2022-12-13 21:34:01,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2022-12-13 21:34:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 21:34:01,470 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:01,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:01,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:34:01,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:01,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1340571796, now seen corresponding path program 1 times [2022-12-13 21:34:01,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:01,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805243722] [2022-12-13 21:34:01,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:01,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:01,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805243722] [2022-12-13 21:34:01,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805243722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:01,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:01,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:34:01,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499004931] [2022-12-13 21:34:01,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:01,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:01,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:01,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:01,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:01,593 INFO L87 Difference]: Start difference. First operand 76 states and 109 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:01,643 INFO L93 Difference]: Finished difference Result 134 states and 184 transitions. [2022-12-13 21:34:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:01,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-12-13 21:34:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:01,644 INFO L225 Difference]: With dead ends: 134 [2022-12-13 21:34:01,644 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 21:34:01,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:01,645 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 3 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:01,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 409 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 21:34:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 21:34:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2022-12-13 21:34:01,650 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 15 [2022-12-13 21:34:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:01,651 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2022-12-13 21:34:01,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-12-13 21:34:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 21:34:01,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:01,652 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] [2022-12-13 21:34:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:34:01,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash 821705161, now seen corresponding path program 1 times [2022-12-13 21:34:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:01,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937424897] [2022-12-13 21:34:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:01,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:01,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937424897] [2022-12-13 21:34:01,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937424897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:01,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:01,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:01,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032881255] [2022-12-13 21:34:01,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:01,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:01,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:01,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:01,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:01,732 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:01,824 INFO L93 Difference]: Finished difference Result 127 states and 164 transitions. [2022-12-13 21:34:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:01,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-13 21:34:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:01,825 INFO L225 Difference]: With dead ends: 127 [2022-12-13 21:34:01,825 INFO L226 Difference]: Without dead ends: 124 [2022-12-13 21:34:01,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:01,827 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 210 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:01,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 109 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-12-13 21:34:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2022-12-13 21:34:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.5188679245283019) internal successors, (161), 117 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 161 transitions. [2022-12-13 21:34:01,835 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 161 transitions. Word has length 30 [2022-12-13 21:34:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:01,836 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 161 transitions. [2022-12-13 21:34:01,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2022-12-13 21:34:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 21:34:01,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:01,837 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] [2022-12-13 21:34:01,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:34:01,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:01,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:01,838 INFO L85 PathProgramCache]: Analyzing trace with hash -296943552, now seen corresponding path program 1 times [2022-12-13 21:34:01,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:01,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427509275] [2022-12-13 21:34:01,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:01,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427509275] [2022-12-13 21:34:01,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427509275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:01,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:01,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350600953] [2022-12-13 21:34:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:01,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:01,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:01,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:01,898 INFO L87 Difference]: Start difference. First operand 118 states and 161 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:01,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:01,997 INFO L93 Difference]: Finished difference Result 220 states and 297 transitions. [2022-12-13 21:34:01,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:01,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-12-13 21:34:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:01,999 INFO L225 Difference]: With dead ends: 220 [2022-12-13 21:34:01,999 INFO L226 Difference]: Without dead ends: 217 [2022-12-13 21:34:01,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:02,000 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 200 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:02,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 161 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-12-13 21:34:02,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2022-12-13 21:34:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 148 states have (on average 1.527027027027027) internal successors, (226), 159 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 226 transitions. [2022-12-13 21:34:02,015 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 226 transitions. Word has length 31 [2022-12-13 21:34:02,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:02,015 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 226 transitions. [2022-12-13 21:34:02,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 226 transitions. [2022-12-13 21:34:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 21:34:02,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:02,016 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] [2022-12-13 21:34:02,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:34:02,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:02,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:02,018 INFO L85 PathProgramCache]: Analyzing trace with hash -615315285, now seen corresponding path program 1 times [2022-12-13 21:34:02,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:02,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805432863] [2022-12-13 21:34:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:02,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:02,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805432863] [2022-12-13 21:34:02,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805432863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:02,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:02,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:02,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310243739] [2022-12-13 21:34:02,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:02,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:02,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:02,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:02,113 INFO L87 Difference]: Start difference. First operand 160 states and 226 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:02,270 INFO L93 Difference]: Finished difference Result 259 states and 365 transitions. [2022-12-13 21:34:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:34:02,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-12-13 21:34:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:02,272 INFO L225 Difference]: With dead ends: 259 [2022-12-13 21:34:02,272 INFO L226 Difference]: Without dead ends: 256 [2022-12-13 21:34:02,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:34:02,273 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 455 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:02,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 189 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-13 21:34:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 244. [2022-12-13 21:34:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 232 states have (on average 1.5344827586206897) internal successors, (356), 243 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 356 transitions. [2022-12-13 21:34:02,290 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 356 transitions. Word has length 32 [2022-12-13 21:34:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:02,291 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 356 transitions. [2022-12-13 21:34:02,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 356 transitions. [2022-12-13 21:34:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 21:34:02,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:02,292 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] [2022-12-13 21:34:02,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:34:02,292 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1894904414, now seen corresponding path program 1 times [2022-12-13 21:34:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:02,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042646329] [2022-12-13 21:34:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:02,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:02,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:02,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042646329] [2022-12-13 21:34:02,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042646329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:02,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:02,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:02,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826451958] [2022-12-13 21:34:02,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:02,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:02,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:02,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:02,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:02,364 INFO L87 Difference]: Start difference. First operand 244 states and 356 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:02,559 INFO L93 Difference]: Finished difference Result 739 states and 1083 transitions. [2022-12-13 21:34:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:34:02,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-12-13 21:34:02,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:02,561 INFO L225 Difference]: With dead ends: 739 [2022-12-13 21:34:02,562 INFO L226 Difference]: Without dead ends: 517 [2022-12-13 21:34:02,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:34:02,564 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 402 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:02,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 332 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-12-13 21:34:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 370. [2022-12-13 21:34:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 358 states have (on average 1.4972067039106145) internal successors, (536), 369 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 536 transitions. [2022-12-13 21:34:02,587 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 536 transitions. Word has length 33 [2022-12-13 21:34:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:02,587 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 536 transitions. [2022-12-13 21:34:02,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 536 transitions. [2022-12-13 21:34:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 21:34:02,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:02,588 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] [2022-12-13 21:34:02,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:34:02,589 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash -652775480, now seen corresponding path program 1 times [2022-12-13 21:34:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:02,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985428862] [2022-12-13 21:34:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:02,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:02,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:02,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985428862] [2022-12-13 21:34:02,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985428862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:02,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:02,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028417375] [2022-12-13 21:34:02,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:02,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:34:02,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:34:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:02,630 INFO L87 Difference]: Start difference. First operand 370 states and 536 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:02,674 INFO L93 Difference]: Finished difference Result 1034 states and 1508 transitions. [2022-12-13 21:34:02,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:34:02,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-13 21:34:02,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:02,677 INFO L225 Difference]: With dead ends: 1034 [2022-12-13 21:34:02,677 INFO L226 Difference]: Without dead ends: 686 [2022-12-13 21:34:02,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:02,679 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 59 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:02,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 217 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:02,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-12-13 21:34:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 674. [2022-12-13 21:34:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 662 states have (on average 1.4894259818731117) internal successors, (986), 673 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 986 transitions. [2022-12-13 21:34:02,719 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 986 transitions. Word has length 35 [2022-12-13 21:34:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:02,720 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 986 transitions. [2022-12-13 21:34:02,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 986 transitions. [2022-12-13 21:34:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 21:34:02,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:02,721 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] [2022-12-13 21:34:02,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:34:02,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:02,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash 360251775, now seen corresponding path program 1 times [2022-12-13 21:34:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:02,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329264609] [2022-12-13 21:34:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:02,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:02,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:02,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329264609] [2022-12-13 21:34:02,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329264609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:02,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:02,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:02,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221015746] [2022-12-13 21:34:02,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:02,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:34:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:34:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:02,770 INFO L87 Difference]: Start difference. First operand 674 states and 986 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:02,824 INFO L93 Difference]: Finished difference Result 1882 states and 2770 transitions. [2022-12-13 21:34:02,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:34:02,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-12-13 21:34:02,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:02,827 INFO L225 Difference]: With dead ends: 1882 [2022-12-13 21:34:02,827 INFO L226 Difference]: Without dead ends: 1230 [2022-12-13 21:34:02,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:02,829 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 59 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:02,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 220 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:02,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-12-13 21:34:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1218. [2022-12-13 21:34:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1206 states have (on average 1.48424543946932) internal successors, (1790), 1217 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1790 transitions. [2022-12-13 21:34:02,879 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1790 transitions. Word has length 36 [2022-12-13 21:34:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:02,879 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 1790 transitions. [2022-12-13 21:34:02,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1790 transitions. [2022-12-13 21:34:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 21:34:02,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:02,880 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] [2022-12-13 21:34:02,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:34:02,881 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:02,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash 636729898, now seen corresponding path program 1 times [2022-12-13 21:34:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:02,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511074550] [2022-12-13 21:34:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:02,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511074550] [2022-12-13 21:34:02,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511074550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:02,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:02,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640538902] [2022-12-13 21:34:02,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:02,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:34:02,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:02,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:34:02,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:02,912 INFO L87 Difference]: Start difference. First operand 1218 states and 1790 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:03,032 INFO L93 Difference]: Finished difference Result 3482 states and 5102 transitions. [2022-12-13 21:34:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:34:03,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-13 21:34:03,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:03,039 INFO L225 Difference]: With dead ends: 3482 [2022-12-13 21:34:03,039 INFO L226 Difference]: Without dead ends: 2286 [2022-12-13 21:34:03,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:03,041 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 57 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:03,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 229 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:03,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2022-12-13 21:34:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2274. [2022-12-13 21:34:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 2262 states have (on average 1.4597701149425288) internal successors, (3302), 2273 states have internal predecessors, (3302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3302 transitions. [2022-12-13 21:34:03,135 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3302 transitions. Word has length 37 [2022-12-13 21:34:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:03,136 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3302 transitions. [2022-12-13 21:34:03,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3302 transitions. [2022-12-13 21:34:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 21:34:03,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:03,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:03,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:34:03,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:03,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1834526723, now seen corresponding path program 1 times [2022-12-13 21:34:03,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:03,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600225420] [2022-12-13 21:34:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:03,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:03,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600225420] [2022-12-13 21:34:03,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600225420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:03,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:03,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:03,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404263751] [2022-12-13 21:34:03,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:03,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:34:03,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:03,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:34:03,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:03,198 INFO L87 Difference]: Start difference. First operand 2274 states and 3302 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:03,309 INFO L93 Difference]: Finished difference Result 5102 states and 7368 transitions. [2022-12-13 21:34:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:34:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-12-13 21:34:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:03,315 INFO L225 Difference]: With dead ends: 5102 [2022-12-13 21:34:03,315 INFO L226 Difference]: Without dead ends: 2850 [2022-12-13 21:34:03,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:34:03,318 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 37 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:03,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 156 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:03,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2850 states. [2022-12-13 21:34:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2850 to 2804. [2022-12-13 21:34:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2792 states have (on average 1.4398280802292263) internal successors, (4020), 2803 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4020 transitions. [2022-12-13 21:34:03,464 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4020 transitions. Word has length 53 [2022-12-13 21:34:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:03,464 INFO L495 AbstractCegarLoop]: Abstraction has 2804 states and 4020 transitions. [2022-12-13 21:34:03,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4020 transitions. [2022-12-13 21:34:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 21:34:03,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:03,465 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:03,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:34:03,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:03,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash 824765175, now seen corresponding path program 1 times [2022-12-13 21:34:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:03,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769287378] [2022-12-13 21:34:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:03,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:34:03,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:03,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769287378] [2022-12-13 21:34:03,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769287378] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:03,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:03,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:34:03,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555321467] [2022-12-13 21:34:03,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:03,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:03,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:03,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:03,589 INFO L87 Difference]: Start difference. First operand 2804 states and 4020 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:03,811 INFO L93 Difference]: Finished difference Result 5590 states and 8016 transitions. [2022-12-13 21:34:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:03,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-12-13 21:34:03,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:03,817 INFO L225 Difference]: With dead ends: 5590 [2022-12-13 21:34:03,818 INFO L226 Difference]: Without dead ends: 2810 [2022-12-13 21:34:03,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:34:03,820 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 46 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:03,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 205 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:03,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2022-12-13 21:34:03,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2804. [2022-12-13 21:34:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2792 states have (on average 1.4283667621776504) internal successors, (3988), 2803 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3988 transitions. [2022-12-13 21:34:03,928 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3988 transitions. Word has length 57 [2022-12-13 21:34:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:03,928 INFO L495 AbstractCegarLoop]: Abstraction has 2804 states and 3988 transitions. [2022-12-13 21:34:03,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3988 transitions. [2022-12-13 21:34:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 21:34:03,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:03,929 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:03,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:34:03,929 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:03,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1560529363, now seen corresponding path program 1 times [2022-12-13 21:34:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:03,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367234428] [2022-12-13 21:34:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:03,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:03,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367234428] [2022-12-13 21:34:03,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367234428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:03,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:03,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:03,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205386767] [2022-12-13 21:34:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:03,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:03,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:03,990 INFO L87 Difference]: Start difference. First operand 2804 states and 3988 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:04,173 INFO L93 Difference]: Finished difference Result 3656 states and 5212 transitions. [2022-12-13 21:34:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:04,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 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 58 [2022-12-13 21:34:04,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:04,181 INFO L225 Difference]: With dead ends: 3656 [2022-12-13 21:34:04,181 INFO L226 Difference]: Without dead ends: 3653 [2022-12-13 21:34:04,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:04,182 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 101 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:04,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 210 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2022-12-13 21:34:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 2872. [2022-12-13 21:34:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2872 states, 2860 states have (on average 1.4377622377622377) internal successors, (4112), 2871 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 4112 transitions. [2022-12-13 21:34:04,284 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 4112 transitions. Word has length 58 [2022-12-13 21:34:04,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:04,285 INFO L495 AbstractCegarLoop]: Abstraction has 2872 states and 4112 transitions. [2022-12-13 21:34:04,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 4112 transitions. [2022-12-13 21:34:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 21:34:04,285 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:04,286 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:04,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:34:04,286 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:04,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:04,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1131770232, now seen corresponding path program 1 times [2022-12-13 21:34:04,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:04,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270722189] [2022-12-13 21:34:04,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:04,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:04,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270722189] [2022-12-13 21:34:04,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270722189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:04,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:04,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:04,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973658118] [2022-12-13 21:34:04,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:04,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:04,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:04,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:04,383 INFO L87 Difference]: Start difference. First operand 2872 states and 4112 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:04,709 INFO L93 Difference]: Finished difference Result 8082 states and 11668 transitions. [2022-12-13 21:34:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:04,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 59 [2022-12-13 21:34:04,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:04,720 INFO L225 Difference]: With dead ends: 8082 [2022-12-13 21:34:04,720 INFO L226 Difference]: Without dead ends: 5234 [2022-12-13 21:34:04,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:04,723 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 246 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:04,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 201 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2022-12-13 21:34:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 4552. [2022-12-13 21:34:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4552 states, 4540 states have (on average 1.4440528634361234) internal successors, (6556), 4551 states have internal predecessors, (6556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6556 transitions. [2022-12-13 21:34:04,917 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6556 transitions. Word has length 59 [2022-12-13 21:34:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:04,917 INFO L495 AbstractCegarLoop]: Abstraction has 4552 states and 6556 transitions. [2022-12-13 21:34:04,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6556 transitions. [2022-12-13 21:34:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 21:34:04,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:04,918 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:04,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 21:34:04,918 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:04,919 INFO L85 PathProgramCache]: Analyzing trace with hash 253225172, now seen corresponding path program 1 times [2022-12-13 21:34:04,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:04,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870072375] [2022-12-13 21:34:04,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:04,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:04,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:04,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870072375] [2022-12-13 21:34:04,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870072375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:04,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:04,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900574720] [2022-12-13 21:34:04,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:04,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:04,977 INFO L87 Difference]: Start difference. First operand 4552 states and 6556 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:05,185 INFO L93 Difference]: Finished difference Result 4555 states and 6556 transitions. [2022-12-13 21:34:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:05,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-12-13 21:34:05,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:05,196 INFO L225 Difference]: With dead ends: 4555 [2022-12-13 21:34:05,196 INFO L226 Difference]: Without dead ends: 4552 [2022-12-13 21:34:05,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:05,198 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 100 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:05,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 162 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:05,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2022-12-13 21:34:05,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 4549. [2022-12-13 21:34:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4549 states, 4540 states have (on average 1.4123348017621145) internal successors, (6412), 4548 states have internal predecessors, (6412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6412 transitions. [2022-12-13 21:34:05,446 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6412 transitions. Word has length 59 [2022-12-13 21:34:05,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:05,446 INFO L495 AbstractCegarLoop]: Abstraction has 4549 states and 6412 transitions. [2022-12-13 21:34:05,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6412 transitions. [2022-12-13 21:34:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 21:34:05,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:05,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:05,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 21:34:05,447 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash 725139061, now seen corresponding path program 1 times [2022-12-13 21:34:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:05,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804812638] [2022-12-13 21:34:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:05,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:05,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804812638] [2022-12-13 21:34:05,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804812638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:05,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:05,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:05,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449404435] [2022-12-13 21:34:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:05,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:05,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:05,519 INFO L87 Difference]: Start difference. First operand 4549 states and 6412 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:05,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:05,824 INFO L93 Difference]: Finished difference Result 9077 states and 12788 transitions. [2022-12-13 21:34:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:05,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 60 [2022-12-13 21:34:05,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:05,834 INFO L225 Difference]: With dead ends: 9077 [2022-12-13 21:34:05,834 INFO L226 Difference]: Without dead ends: 5324 [2022-12-13 21:34:05,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:05,838 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 202 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:05,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 279 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:05,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-12-13 21:34:06,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-12-13 21:34:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5321 states, 5312 states have (on average 1.3855421686746987) internal successors, (7360), 5320 states have internal predecessors, (7360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7360 transitions. [2022-12-13 21:34:06,016 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7360 transitions. Word has length 60 [2022-12-13 21:34:06,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:06,016 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7360 transitions. [2022-12-13 21:34:06,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7360 transitions. [2022-12-13 21:34:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 21:34:06,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:06,018 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:06,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 21:34:06,018 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:06,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1613872501, now seen corresponding path program 1 times [2022-12-13 21:34:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:06,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225825678] [2022-12-13 21:34:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:34:06,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:06,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225825678] [2022-12-13 21:34:06,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225825678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:06,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:06,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904155859] [2022-12-13 21:34:06,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:06,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:06,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:06,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:06,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:06,107 INFO L87 Difference]: Start difference. First operand 5321 states and 7360 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:06,440 INFO L93 Difference]: Finished difference Result 9849 states and 13748 transitions. [2022-12-13 21:34:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:06,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 60 [2022-12-13 21:34:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:06,451 INFO L225 Difference]: With dead ends: 9849 [2022-12-13 21:34:06,451 INFO L226 Difference]: Without dead ends: 5324 [2022-12-13 21:34:06,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:06,456 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 206 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:06,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 274 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:06,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-12-13 21:34:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-12-13 21:34:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5321 states, 5312 states have (on average 1.3772590361445782) internal successors, (7316), 5320 states have internal predecessors, (7316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7316 transitions. [2022-12-13 21:34:06,718 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7316 transitions. Word has length 60 [2022-12-13 21:34:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:06,718 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 7316 transitions. [2022-12-13 21:34:06,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7316 transitions. [2022-12-13 21:34:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 21:34:06,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:06,719 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:06,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 21:34:06,719 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -739954027, now seen corresponding path program 1 times [2022-12-13 21:34:06,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:06,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908135047] [2022-12-13 21:34:06,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:06,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:06,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908135047] [2022-12-13 21:34:06,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908135047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:06,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:06,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:06,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667749017] [2022-12-13 21:34:06,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:06,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:06,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:06,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:06,768 INFO L87 Difference]: Start difference. First operand 5321 states and 7316 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:07,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:07,022 INFO L93 Difference]: Finished difference Result 7010 states and 9764 transitions. [2022-12-13 21:34:07,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:07,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 60 [2022-12-13 21:34:07,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:07,030 INFO L225 Difference]: With dead ends: 7010 [2022-12-13 21:34:07,030 INFO L226 Difference]: Without dead ends: 7007 [2022-12-13 21:34:07,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:07,033 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 92 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:07,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 206 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2022-12-13 21:34:07,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 7001. [2022-12-13 21:34:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7001 states, 6992 states have (on average 1.375858123569794) internal successors, (9620), 7000 states have internal predecessors, (9620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 9620 transitions. [2022-12-13 21:34:07,289 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 9620 transitions. Word has length 60 [2022-12-13 21:34:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:07,289 INFO L495 AbstractCegarLoop]: Abstraction has 7001 states and 9620 transitions. [2022-12-13 21:34:07,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 9620 transitions. [2022-12-13 21:34:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 21:34:07,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:07,290 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:07,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 21:34:07,290 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:07,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1463738122, now seen corresponding path program 1 times [2022-12-13 21:34:07,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:07,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813510657] [2022-12-13 21:34:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:07,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:07,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:07,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813510657] [2022-12-13 21:34:07,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813510657] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:07,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:07,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:07,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239875876] [2022-12-13 21:34:07,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:07,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:07,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:07,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:07,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:07,373 INFO L87 Difference]: Start difference. First operand 7001 states and 9620 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:07,689 INFO L93 Difference]: Finished difference Result 13289 states and 18740 transitions. [2022-12-13 21:34:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:07,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-12-13 21:34:07,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:07,698 INFO L225 Difference]: With dead ends: 13289 [2022-12-13 21:34:07,698 INFO L226 Difference]: Without dead ends: 8240 [2022-12-13 21:34:07,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:07,702 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 235 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:07,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 205 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8240 states. [2022-12-13 21:34:07,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8240 to 6825. [2022-12-13 21:34:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6825 states, 6816 states have (on average 1.3820422535211268) internal successors, (9420), 6824 states have internal predecessors, (9420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6825 states to 6825 states and 9420 transitions. [2022-12-13 21:34:07,999 INFO L78 Accepts]: Start accepts. Automaton has 6825 states and 9420 transitions. Word has length 61 [2022-12-13 21:34:07,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:07,999 INFO L495 AbstractCegarLoop]: Abstraction has 6825 states and 9420 transitions. [2022-12-13 21:34:08,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 6825 states and 9420 transitions. [2022-12-13 21:34:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 21:34:08,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:08,000 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:08,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 21:34:08,000 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1868758711, now seen corresponding path program 1 times [2022-12-13 21:34:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:08,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36443385] [2022-12-13 21:34:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:08,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:08,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36443385] [2022-12-13 21:34:08,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36443385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:08,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:08,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930065124] [2022-12-13 21:34:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:08,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:08,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:08,055 INFO L87 Difference]: Start difference. First operand 6825 states and 9420 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:08,370 INFO L93 Difference]: Finished difference Result 11597 states and 16252 transitions. [2022-12-13 21:34:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:08,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-12-13 21:34:08,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:08,376 INFO L225 Difference]: With dead ends: 11597 [2022-12-13 21:34:08,376 INFO L226 Difference]: Without dead ends: 7108 [2022-12-13 21:34:08,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:34:08,379 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 199 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:08,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 288 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7108 states. [2022-12-13 21:34:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7108 to 7105. [2022-12-13 21:34:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7105 states, 7096 states have (on average 1.3771138669673055) internal successors, (9772), 7104 states have internal predecessors, (9772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7105 states to 7105 states and 9772 transitions. [2022-12-13 21:34:08,604 INFO L78 Accepts]: Start accepts. Automaton has 7105 states and 9772 transitions. Word has length 62 [2022-12-13 21:34:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:08,605 INFO L495 AbstractCegarLoop]: Abstraction has 7105 states and 9772 transitions. [2022-12-13 21:34:08,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7105 states and 9772 transitions. [2022-12-13 21:34:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 21:34:08,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:08,606 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:08,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 21:34:08,606 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:08,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1491323261, now seen corresponding path program 1 times [2022-12-13 21:34:08,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:08,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587601917] [2022-12-13 21:34:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:08,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:08,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587601917] [2022-12-13 21:34:08,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587601917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:08,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:08,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:08,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015068262] [2022-12-13 21:34:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:08,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:08,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:08,672 INFO L87 Difference]: Start difference. First operand 7105 states and 9772 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:08,989 INFO L93 Difference]: Finished difference Result 7495 states and 10292 transitions. [2022-12-13 21:34:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-12-13 21:34:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:08,996 INFO L225 Difference]: With dead ends: 7495 [2022-12-13 21:34:08,996 INFO L226 Difference]: Without dead ends: 7492 [2022-12-13 21:34:08,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:08,998 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 164 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:08,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 265 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2022-12-13 21:34:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7489. [2022-12-13 21:34:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7489 states, 7480 states have (on average 1.367379679144385) internal successors, (10228), 7488 states have internal predecessors, (10228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7489 states to 7489 states and 10228 transitions. [2022-12-13 21:34:09,249 INFO L78 Accepts]: Start accepts. Automaton has 7489 states and 10228 transitions. Word has length 64 [2022-12-13 21:34:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:09,249 INFO L495 AbstractCegarLoop]: Abstraction has 7489 states and 10228 transitions. [2022-12-13 21:34:09,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7489 states and 10228 transitions. [2022-12-13 21:34:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 21:34:09,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:09,250 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:09,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 21:34:09,250 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash -134975587, now seen corresponding path program 1 times [2022-12-13 21:34:09,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:09,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020848390] [2022-12-13 21:34:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:09,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:09,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020848390] [2022-12-13 21:34:09,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020848390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:09,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:09,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:09,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424777898] [2022-12-13 21:34:09,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:09,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:09,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:09,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:09,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:09,294 INFO L87 Difference]: Start difference. First operand 7489 states and 10228 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:09,747 INFO L93 Difference]: Finished difference Result 9741 states and 13492 transitions. [2022-12-13 21:34:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:09,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 64 [2022-12-13 21:34:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:09,755 INFO L225 Difference]: With dead ends: 9741 [2022-12-13 21:34:09,755 INFO L226 Difference]: Without dead ends: 9738 [2022-12-13 21:34:09,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:09,758 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 135 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:09,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 251 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:09,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9738 states. [2022-12-13 21:34:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9738 to 9169. [2022-12-13 21:34:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9169 states, 9160 states have (on average 1.3524017467248908) internal successors, (12388), 9168 states have internal predecessors, (12388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9169 states to 9169 states and 12388 transitions. [2022-12-13 21:34:10,046 INFO L78 Accepts]: Start accepts. Automaton has 9169 states and 12388 transitions. Word has length 64 [2022-12-13 21:34:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:10,046 INFO L495 AbstractCegarLoop]: Abstraction has 9169 states and 12388 transitions. [2022-12-13 21:34:10,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9169 states and 12388 transitions. [2022-12-13 21:34:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 21:34:10,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:10,047 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:10,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 21:34:10,047 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 110724334, now seen corresponding path program 1 times [2022-12-13 21:34:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551128233] [2022-12-13 21:34:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:10,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:10,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551128233] [2022-12-13 21:34:10,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551128233] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:10,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:10,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:10,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507807534] [2022-12-13 21:34:10,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:10,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:10,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:10,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:10,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:10,105 INFO L87 Difference]: Start difference. First operand 9169 states and 12388 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:10,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:10,465 INFO L93 Difference]: Finished difference Result 11159 states and 15084 transitions. [2022-12-13 21:34:10,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:10,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-12-13 21:34:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:10,471 INFO L225 Difference]: With dead ends: 11159 [2022-12-13 21:34:10,471 INFO L226 Difference]: Without dead ends: 7233 [2022-12-13 21:34:10,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:10,474 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 147 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:10,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 234 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7233 states. [2022-12-13 21:34:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7233 to 5433. [2022-12-13 21:34:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5433 states, 5424 states have (on average 1.3384955752212389) internal successors, (7260), 5432 states have internal predecessors, (7260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 5433 states and 7260 transitions. [2022-12-13 21:34:10,681 INFO L78 Accepts]: Start accepts. Automaton has 5433 states and 7260 transitions. Word has length 65 [2022-12-13 21:34:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:10,681 INFO L495 AbstractCegarLoop]: Abstraction has 5433 states and 7260 transitions. [2022-12-13 21:34:10,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 5433 states and 7260 transitions. [2022-12-13 21:34:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 21:34:10,682 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:10,682 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:10,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 21:34:10,682 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash -862512705, now seen corresponding path program 1 times [2022-12-13 21:34:10,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:10,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179283290] [2022-12-13 21:34:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:10,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:10,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:10,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179283290] [2022-12-13 21:34:10,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179283290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:10,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:10,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:10,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060494183] [2022-12-13 21:34:10,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:10,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:10,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:10,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:10,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:10,738 INFO L87 Difference]: Start difference. First operand 5433 states and 7260 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:11,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:11,067 INFO L93 Difference]: Finished difference Result 6467 states and 8724 transitions. [2022-12-13 21:34:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:11,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-12-13 21:34:11,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:11,073 INFO L225 Difference]: With dead ends: 6467 [2022-12-13 21:34:11,073 INFO L226 Difference]: Without dead ends: 6466 [2022-12-13 21:34:11,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:11,074 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 129 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:11,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 299 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6466 states. [2022-12-13 21:34:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6466 to 6457. [2022-12-13 21:34:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6457 states, 6448 states have (on average 1.3517369727047146) internal successors, (8716), 6456 states have internal predecessors, (8716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6457 states to 6457 states and 8716 transitions. [2022-12-13 21:34:11,313 INFO L78 Accepts]: Start accepts. Automaton has 6457 states and 8716 transitions. Word has length 66 [2022-12-13 21:34:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:11,313 INFO L495 AbstractCegarLoop]: Abstraction has 6457 states and 8716 transitions. [2022-12-13 21:34:11,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 6457 states and 8716 transitions. [2022-12-13 21:34:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 21:34:11,314 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:11,314 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:11,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 21:34:11,314 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:11,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:11,314 INFO L85 PathProgramCache]: Analyzing trace with hash 26220735, now seen corresponding path program 1 times [2022-12-13 21:34:11,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:11,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688631637] [2022-12-13 21:34:11,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:11,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:11,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:11,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688631637] [2022-12-13 21:34:11,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688631637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:11,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:11,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:11,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544907593] [2022-12-13 21:34:11,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:11,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:11,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:11,419 INFO L87 Difference]: Start difference. First operand 6457 states and 8716 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:11,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:11,853 INFO L93 Difference]: Finished difference Result 6743 states and 9100 transitions. [2022-12-13 21:34:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:11,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-12-13 21:34:11,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:11,859 INFO L225 Difference]: With dead ends: 6743 [2022-12-13 21:34:11,859 INFO L226 Difference]: Without dead ends: 6740 [2022-12-13 21:34:11,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:11,861 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 129 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:11,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 343 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-12-13 21:34:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6737. [2022-12-13 21:34:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6737 states, 6728 states have (on average 1.348989298454221) internal successors, (9076), 6736 states have internal predecessors, (9076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6737 states to 6737 states and 9076 transitions. [2022-12-13 21:34:12,130 INFO L78 Accepts]: Start accepts. Automaton has 6737 states and 9076 transitions. Word has length 66 [2022-12-13 21:34:12,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:12,130 INFO L495 AbstractCegarLoop]: Abstraction has 6737 states and 9076 transitions. [2022-12-13 21:34:12,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 6737 states and 9076 transitions. [2022-12-13 21:34:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 21:34:12,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:12,132 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 21:34:12,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 21:34:12,133 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:12,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:12,133 INFO L85 PathProgramCache]: Analyzing trace with hash 565145543, now seen corresponding path program 1 times [2022-12-13 21:34:12,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:12,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923403415] [2022-12-13 21:34:12,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:12,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:12,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:12,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923403415] [2022-12-13 21:34:12,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923403415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:12,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:12,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402541522] [2022-12-13 21:34:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:12,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:12,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:12,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:12,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:12,217 INFO L87 Difference]: Start difference. First operand 6737 states and 9076 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:12,657 INFO L93 Difference]: Finished difference Result 6926 states and 9316 transitions. [2022-12-13 21:34:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:12,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 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 70 [2022-12-13 21:34:12,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:12,664 INFO L225 Difference]: With dead ends: 6926 [2022-12-13 21:34:12,665 INFO L226 Difference]: Without dead ends: 6557 [2022-12-13 21:34:12,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:12,667 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 139 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:12,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 348 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:12,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2022-12-13 21:34:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 6553. [2022-12-13 21:34:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 6544 states have (on average 1.3484107579462103) internal successors, (8824), 6552 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 8824 transitions. [2022-12-13 21:34:12,980 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 8824 transitions. Word has length 70 [2022-12-13 21:34:12,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:12,980 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 8824 transitions. [2022-12-13 21:34:12,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 8824 transitions. [2022-12-13 21:34:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 21:34:12,984 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:12,984 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:12,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 21:34:12,984 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:12,984 INFO L85 PathProgramCache]: Analyzing trace with hash 810401000, now seen corresponding path program 1 times [2022-12-13 21:34:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:12,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207225289] [2022-12-13 21:34:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:13,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:13,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207225289] [2022-12-13 21:34:13,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207225289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:13,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:13,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:34:13,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659363657] [2022-12-13 21:34:13,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:13,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:34:13,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:13,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:34:13,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:13,056 INFO L87 Difference]: Start difference. First operand 6553 states and 8824 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:13,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:13,435 INFO L93 Difference]: Finished difference Result 6743 states and 9060 transitions. [2022-12-13 21:34:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:34:13,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 84 [2022-12-13 21:34:13,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:13,440 INFO L225 Difference]: With dead ends: 6743 [2022-12-13 21:34:13,441 INFO L226 Difference]: Without dead ends: 6740 [2022-12-13 21:34:13,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:34:13,442 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 99 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:13,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 259 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:13,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-12-13 21:34:13,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6550. [2022-12-13 21:34:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 6544 states have (on average 1.3117359413202934) internal successors, (8584), 6549 states have internal predecessors, (8584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8584 transitions. [2022-12-13 21:34:13,691 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8584 transitions. Word has length 84 [2022-12-13 21:34:13,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:13,691 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8584 transitions. [2022-12-13 21:34:13,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8584 transitions. [2022-12-13 21:34:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 21:34:13,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:13,693 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:13,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 21:34:13,693 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:13,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1406287946, now seen corresponding path program 1 times [2022-12-13 21:34:13,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:13,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009896610] [2022-12-13 21:34:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:13,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:13,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:13,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009896610] [2022-12-13 21:34:13,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009896610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:13,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:13,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:13,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910179412] [2022-12-13 21:34:13,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:13,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:13,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:13,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:13,758 INFO L87 Difference]: Start difference. First operand 6550 states and 8584 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:14,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:14,258 INFO L93 Difference]: Finished difference Result 9437 states and 12468 transitions. [2022-12-13 21:34:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:14,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 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 86 [2022-12-13 21:34:14,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:14,263 INFO L225 Difference]: With dead ends: 9437 [2022-12-13 21:34:14,264 INFO L226 Difference]: Without dead ends: 5695 [2022-12-13 21:34:14,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:14,266 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 133 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:14,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 436 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5695 states. [2022-12-13 21:34:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5695 to 5686. [2022-12-13 21:34:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5686 states, 5680 states have (on average 1.3084507042253521) internal successors, (7432), 5685 states have internal predecessors, (7432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5686 states to 5686 states and 7432 transitions. [2022-12-13 21:34:14,528 INFO L78 Accepts]: Start accepts. Automaton has 5686 states and 7432 transitions. Word has length 86 [2022-12-13 21:34:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:14,528 INFO L495 AbstractCegarLoop]: Abstraction has 5686 states and 7432 transitions. [2022-12-13 21:34:14,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5686 states and 7432 transitions. [2022-12-13 21:34:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 21:34:14,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:14,530 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:14,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 21:34:14,530 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:14,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:14,530 INFO L85 PathProgramCache]: Analyzing trace with hash 239199404, now seen corresponding path program 1 times [2022-12-13 21:34:14,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:14,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005693310] [2022-12-13 21:34:14,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:34:14,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:14,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005693310] [2022-12-13 21:34:14,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005693310] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:14,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:14,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:14,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381653990] [2022-12-13 21:34:14,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:14,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:14,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:14,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:14,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:14,594 INFO L87 Difference]: Start difference. First operand 5686 states and 7432 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:14,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:14,924 INFO L93 Difference]: Finished difference Result 5689 states and 7432 transitions. [2022-12-13 21:34:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:14,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 86 [2022-12-13 21:34:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:14,929 INFO L225 Difference]: With dead ends: 5689 [2022-12-13 21:34:14,929 INFO L226 Difference]: Without dead ends: 5686 [2022-12-13 21:34:14,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:14,931 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 111 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:14,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 289 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2022-12-13 21:34:15,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 5686. [2022-12-13 21:34:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5686 states, 5680 states have (on average 1.3028169014084507) internal successors, (7400), 5685 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5686 states to 5686 states and 7400 transitions. [2022-12-13 21:34:15,147 INFO L78 Accepts]: Start accepts. Automaton has 5686 states and 7400 transitions. Word has length 86 [2022-12-13 21:34:15,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:15,147 INFO L495 AbstractCegarLoop]: Abstraction has 5686 states and 7400 transitions. [2022-12-13 21:34:15,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5686 states and 7400 transitions. [2022-12-13 21:34:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 21:34:15,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:15,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:15,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 21:34:15,149 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:15,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:15,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1786813686, now seen corresponding path program 2 times [2022-12-13 21:34:15,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:15,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920733805] [2022-12-13 21:34:15,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:15,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 21:34:15,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:15,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920733805] [2022-12-13 21:34:15,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920733805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:15,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:15,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:15,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510188629] [2022-12-13 21:34:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:15,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:15,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:15,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:15,229 INFO L87 Difference]: Start difference. First operand 5686 states and 7400 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:15,531 INFO L93 Difference]: Finished difference Result 5877 states and 7636 transitions. [2022-12-13 21:34:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-12-13 21:34:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:15,535 INFO L225 Difference]: With dead ends: 5877 [2022-12-13 21:34:15,535 INFO L226 Difference]: Without dead ends: 4948 [2022-12-13 21:34:15,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:15,537 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:15,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 323 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2022-12-13 21:34:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4942. [2022-12-13 21:34:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4942 states, 4936 states have (on average 1.3047001620745542) internal successors, (6440), 4941 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4942 states to 4942 states and 6440 transitions. [2022-12-13 21:34:15,712 INFO L78 Accepts]: Start accepts. Automaton has 4942 states and 6440 transitions. Word has length 86 [2022-12-13 21:34:15,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:15,712 INFO L495 AbstractCegarLoop]: Abstraction has 4942 states and 6440 transitions. [2022-12-13 21:34:15,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4942 states and 6440 transitions. [2022-12-13 21:34:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 21:34:15,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:15,714 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:15,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 21:34:15,714 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2139283297, now seen corresponding path program 1 times [2022-12-13 21:34:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:15,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801473617] [2022-12-13 21:34:15,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:15,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:15,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:15,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801473617] [2022-12-13 21:34:15,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801473617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:15,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:15,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:15,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910211742] [2022-12-13 21:34:15,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:15,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:15,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:15,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:15,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:15,776 INFO L87 Difference]: Start difference. First operand 4942 states and 6440 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:16,014 INFO L93 Difference]: Finished difference Result 6015 states and 7858 transitions. [2022-12-13 21:34:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:16,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-12-13 21:34:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:16,018 INFO L225 Difference]: With dead ends: 6015 [2022-12-13 21:34:16,018 INFO L226 Difference]: Without dead ends: 3305 [2022-12-13 21:34:16,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:16,021 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 98 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:16,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 250 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3305 states. [2022-12-13 21:34:16,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3305 to 2971. [2022-12-13 21:34:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2968 states have (on average 1.256064690026954) internal successors, (3728), 2970 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3728 transitions. [2022-12-13 21:34:16,193 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3728 transitions. Word has length 87 [2022-12-13 21:34:16,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:16,193 INFO L495 AbstractCegarLoop]: Abstraction has 2971 states and 3728 transitions. [2022-12-13 21:34:16,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3728 transitions. [2022-12-13 21:34:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-13 21:34:16,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:16,196 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:16,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 21:34:16,196 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1893272530, now seen corresponding path program 1 times [2022-12-13 21:34:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:16,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691381718] [2022-12-13 21:34:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:16,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:16,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:16,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691381718] [2022-12-13 21:34:16,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691381718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:16,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:16,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671917950] [2022-12-13 21:34:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:16,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:16,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:16,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:16,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:16,279 INFO L87 Difference]: Start difference. First operand 2971 states and 3728 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:16,474 INFO L93 Difference]: Finished difference Result 2972 states and 3728 transitions. [2022-12-13 21:34:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-12-13 21:34:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:16,477 INFO L225 Difference]: With dead ends: 2972 [2022-12-13 21:34:16,477 INFO L226 Difference]: Without dead ends: 2971 [2022-12-13 21:34:16,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:16,477 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 87 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:16,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 299 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:16,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2022-12-13 21:34:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2971. [2022-12-13 21:34:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2968 states have (on average 1.2533692722371967) internal successors, (3720), 2970 states have internal predecessors, (3720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3720 transitions. [2022-12-13 21:34:16,602 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3720 transitions. Word has length 88 [2022-12-13 21:34:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:16,602 INFO L495 AbstractCegarLoop]: Abstraction has 2971 states and 3720 transitions. [2022-12-13 21:34:16,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3720 transitions. [2022-12-13 21:34:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-13 21:34:16,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:16,603 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:16,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 21:34:16,603 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1262783698, now seen corresponding path program 1 times [2022-12-13 21:34:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:16,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902944357] [2022-12-13 21:34:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:34:16,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:16,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902944357] [2022-12-13 21:34:16,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902944357] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:16,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:16,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:16,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366025800] [2022-12-13 21:34:16,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:16,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:16,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:16,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:16,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:16,659 INFO L87 Difference]: Start difference. First operand 2971 states and 3720 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:16,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:16,880 INFO L93 Difference]: Finished difference Result 2972 states and 3720 transitions. [2022-12-13 21:34:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:16,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 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 88 [2022-12-13 21:34:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:16,882 INFO L225 Difference]: With dead ends: 2972 [2022-12-13 21:34:16,883 INFO L226 Difference]: Without dead ends: 2969 [2022-12-13 21:34:16,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:16,883 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 106 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:16,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 289 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:16,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2022-12-13 21:34:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2969. [2022-12-13 21:34:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2969 states, 2968 states have (on average 1.2452830188679245) internal successors, (3696), 2968 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3696 transitions. [2022-12-13 21:34:17,009 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3696 transitions. Word has length 88 [2022-12-13 21:34:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:17,009 INFO L495 AbstractCegarLoop]: Abstraction has 2969 states and 3696 transitions. [2022-12-13 21:34:17,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3696 transitions. [2022-12-13 21:34:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 21:34:17,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:17,010 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:34:17,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 21:34:17,010 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:17,011 INFO L85 PathProgramCache]: Analyzing trace with hash 182352566, now seen corresponding path program 1 times [2022-12-13 21:34:17,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:17,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591210309] [2022-12-13 21:34:17,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:17,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:34:17,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:17,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591210309] [2022-12-13 21:34:17,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591210309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:17,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:17,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174300919] [2022-12-13 21:34:17,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:17,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:17,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,066 INFO L87 Difference]: Start difference. First operand 2969 states and 3696 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:17,294 INFO L93 Difference]: Finished difference Result 3155 states and 3932 transitions. [2022-12-13 21:34:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:17,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 92 [2022-12-13 21:34:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:17,296 INFO L225 Difference]: With dead ends: 3155 [2022-12-13 21:34:17,296 INFO L226 Difference]: Without dead ends: 2402 [2022-12-13 21:34:17,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,297 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 98 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:17,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 320 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:17,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2022-12-13 21:34:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 2033. [2022-12-13 21:34:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 2032 states have (on average 1.2401574803149606) internal successors, (2520), 2032 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2520 transitions. [2022-12-13 21:34:17,393 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2520 transitions. Word has length 92 [2022-12-13 21:34:17,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:17,393 INFO L495 AbstractCegarLoop]: Abstraction has 2033 states and 2520 transitions. [2022-12-13 21:34:17,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2520 transitions. [2022-12-13 21:34:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 21:34:17,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:17,394 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:34:17,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 21:34:17,394 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:17,395 INFO L85 PathProgramCache]: Analyzing trace with hash 253917878, now seen corresponding path program 2 times [2022-12-13 21:34:17,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:17,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534548455] [2022-12-13 21:34:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:34:17,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:17,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534548455] [2022-12-13 21:34:17,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534548455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:17,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:17,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:17,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869698328] [2022-12-13 21:34:17,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:17,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:17,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:17,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:17,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,451 INFO L87 Difference]: Start difference. First operand 2033 states and 2520 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:17,667 INFO L93 Difference]: Finished difference Result 2218 states and 2756 transitions. [2022-12-13 21:34:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:17,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 92 [2022-12-13 21:34:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:17,669 INFO L225 Difference]: With dead ends: 2218 [2022-12-13 21:34:17,669 INFO L226 Difference]: Without dead ends: 1753 [2022-12-13 21:34:17,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,670 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 118 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:17,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 377 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:34:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-12-13 21:34:17,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1753. [2022-12-13 21:34:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1752 states have (on average 1.2283105022831051) internal successors, (2152), 1752 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2152 transitions. [2022-12-13 21:34:17,750 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2152 transitions. Word has length 92 [2022-12-13 21:34:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:17,750 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2152 transitions. [2022-12-13 21:34:17,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2152 transitions. [2022-12-13 21:34:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-13 21:34:17,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:34:17,751 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:34:17,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 21:34:17,752 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 21:34:17,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:34:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1760902713, now seen corresponding path program 1 times [2022-12-13 21:34:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:34:17,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787611865] [2022-12-13 21:34:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:34:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:34:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:34:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:34:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:34:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787611865] [2022-12-13 21:34:17,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787611865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:34:17,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:34:17,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:34:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987664699] [2022-12-13 21:34:17,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:34:17,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:34:17,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:34:17,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:34:17,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,829 INFO L87 Difference]: Start difference. First operand 1753 states and 2152 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:34:17,948 INFO L93 Difference]: Finished difference Result 1753 states and 2152 transitions. [2022-12-13 21:34:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:34:17,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 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 108 [2022-12-13 21:34:17,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:34:17,949 INFO L225 Difference]: With dead ends: 1753 [2022-12-13 21:34:17,949 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:34:17,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:34:17,950 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 98 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:34:17,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 392 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:34:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:34:17,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:34:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:34:17,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-12-13 21:34:17,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:34:17,951 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:34:17,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:34:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:34:17,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:34:17,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-12-13 21:34:17,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-12-13 21:34:17,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-12-13 21:34:17,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-12-13 21:34:17,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-12-13 21:34:17,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-12-13 21:34:17,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 21:34:17,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:34:23,341 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 622 DAG size of output: 614 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:34:28,589 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 654 DAG size of output: 646 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:34:34,335 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 623 DAG size of output: 615 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:34:41,952 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 650 DAG size of output: 642 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:34:47,370 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 670 DAG size of output: 662 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 21:35:06,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,469 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 100) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L895 garLoopResultBuilder]: At program point L85-2(lines 79 103) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 195) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 192) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 189) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 95) no Hoare annotation was computed. [2022-12-13 21:35:06,470 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 88 95) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 186) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 94) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 25) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 183) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 180) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 177) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L207-2(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,471 INFO L899 garLoopResultBuilder]: For program point L207-3(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L207-4(lines 207 226) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L207-5(lines 207 226) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 75) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L895 garLoopResultBuilder]: At program point L59-2(lines 53 78) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 223) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 174) no Hoare annotation was computed. [2022-12-13 21:35:06,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 171) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 125) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 128) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-12-13 21:35:06,473 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 230 276) the Hoare annotation is: false [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L895 garLoopResultBuilder]: At program point L259-2(lines 259 273) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L259-3(lines 259 273) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 168) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-13 21:35:06,473 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 288) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 165) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L211-3(line 211) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L211-4(lines 211 223) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 162) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 120) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 120) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 69) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 159) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,474 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L895 garLoopResultBuilder]: At program point $Ultimate##100(lines 213 220) the Hoare annotation is: (let ((.cse2 (= ~st3~0 1)) (.cse0 (= ~st1~0 1)) (.cse1 (<= 0 ~st2~0)) (.cse3 (let ((.cse5 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse6 (<= ~st1~0 0)) (.cse7 (<= 0 ~st1~0))) (or (let ((.cse8 (+ ~st2~0 ~st1~0))) (and .cse5 .cse6 .cse7 (<= .cse8 0) (<= 0 .cse8))) (and (= ~st2~0 1) .cse5 .cse6 .cse7))))) (or (and .cse0 .cse1 .cse2 (<= ~st2~0 0)) (and .cse2 .cse3) (and .cse0 .cse1 (<= (+ ~st3~0 ~st2~0) 0) (<= 0 ~st3~0)) (let ((.cse4 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse4) .cse3 (<= .cse4 0))))) [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 207) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L895 garLoopResultBuilder]: At program point check_returnLabel#1(lines 202 229) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 69) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L216-2(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 119) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L216-3(line 216) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L216-4(lines 216 220) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L895 garLoopResultBuilder]: At program point init_returnLabel#1(lines 129 201) the Hoare annotation is: (or (and (= |ULTIMATE.start_init_~tmp~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) (and (= (* 256 (div ~mode2~0 256)) ~mode2~0) (= (* 256 (div ~mode1~0 256)) ~mode1~0) (= (* 256 (div ~mode3~0 256)) ~mode3~0) (<= ~st2~0 0) (<= (+ ~st3~0 ~st1~0) 0) (<= ~r1~0 (* (div ~r1~0 256) 256)) (<= 0 (+ ~st2~0 ~st1~0)) (<= 0 ~st3~0))) [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 198) no Hoare annotation was computed. [2022-12-13 21:35:06,475 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 134 198) no Hoare annotation was computed. [2022-12-13 21:35:06,478 INFO L445 BasicCegarLoop]: Path program histogram: [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] [2022-12-13 21:35:06,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:35:06,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:35:06 BoogieIcfgContainer [2022-12-13 21:35:06,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:35:06,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:35:06,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:35:06,495 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:35:06,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:34:01" (3/4) ... [2022-12-13 21:35:06,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:35:06,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 21:35:06,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 21:35:06,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:35:06,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:35:06,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == 0 && \result == 0) || (((((((256 * (mode2 / 256) == mode2 && 256 * (mode1 / 256) == mode1) && 256 * (mode3 / 256) == mode3) && st2 <= 0) && st3 + st1 <= 0) && r1 <= r1 / 256 * 256) && 0 <= st2 + st1) && 0 <= st3) [2022-12-13 21:35:06,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:35:06,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:35:06,546 INFO L158 Benchmark]: Toolchain (without parser) took 66022.08ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 841.0MB). Free memory was 131.5MB in the beginning and 431.0MB in the end (delta: -299.5MB). Peak memory consumption was 543.8MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,546 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:35:06,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.24ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 118.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.19ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,547 INFO L158 Benchmark]: Boogie Preprocessor took 25.40ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,547 INFO L158 Benchmark]: RCFGBuilder took 375.46ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 95.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,547 INFO L158 Benchmark]: TraceAbstraction took 65308.71ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 841.0MB). Free memory was 94.7MB in the beginning and 436.3MB in the end (delta: -341.6MB). Peak memory consumption was 577.5MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,548 INFO L158 Benchmark]: Witness Printer took 50.69ms. Allocated memory is still 1.0GB. Free memory was 436.3MB in the beginning and 431.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 21:35:06,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.24ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 118.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.19ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.40ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.46ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 95.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 65308.71ms. Allocated memory was 165.7MB in the beginning and 1.0GB in the end (delta: 841.0MB). Free memory was 94.7MB in the beginning and 436.3MB in the end (delta: -341.6MB). Peak memory consumption was 577.5MB. Max. memory is 16.1GB. * Witness Printer took 50.69ms. Allocated memory is still 1.0GB. Free memory was 436.3MB in the beginning and 431.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 207]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 207]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 207]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 207]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 211]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 211]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 211]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 211]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 216]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 216]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 216]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 216]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 65.2s, OverallIterations: 35, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 48.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4841 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4841 mSDsluCounter, 9136 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4584 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3426 IncrementalHoareTripleChecker+Invalid, 3618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 4552 mSDtfsCounter, 3426 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9169occurred in iteration=21, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 35 MinimizatonAttempts, 6502 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 870 NumberOfFragments, 923 HoareAnnotationTreeSize, 8 FomulaSimplifications, 37646 FormulaSimplificationTreeSizeReduction, 29.4s HoareSimplificationTime, 8 FomulaSimplificationsInter, 258810 FormulaSimplificationTreeSizeReductionInter, 19.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2140 NumberOfCodeBlocks, 2140 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2105 ConstructedInterpolants, 0 QuantifiedInterpolants, 8343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 619/619 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 14 specifications checked. All of them hold - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((((st1 == 1 && 0 <= st2) && st3 == 1) && st2 <= 0) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (tmp == 0 && \result == 0) || (((((((256 * (mode2 / 256) == mode2 && 256 * (mode1 / 256) == mode1) && 256 * (mode3 / 256) == mode3) && st2 <= 0) && st3 + st1 <= 0) && r1 <= r1 / 256 * 256) && 0 <= st2 + st1) && 0 <= st3) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) RESULT: Ultimate proved your program to be correct! [2022-12-13 21:35:06,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7535da-120d-4674-af5d-ebea3177d616/bin/uautomizer-uyxdKDjOR8/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