./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.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_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/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_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/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_16c0dec5-8975-4114-9d04-461a13a6be83/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 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 --- 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 16:22:52,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:22:52,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:22:52,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:22:52,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:22:52,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:22:52,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:22:52,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:22:52,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:22:52,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:22:52,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:22:52,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:22:52,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:22:52,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:22:52,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:22:52,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:22:52,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:22:52,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:22:52,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:22:52,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:22:52,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:22:52,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:22:52,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:22:52,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:22:52,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:22:52,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:22:52,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:22:52,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:22:52,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:22:52,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:22:52,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:22:52,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:22:52,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:22:52,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:22:52,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:22:52,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:22:52,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:22:52,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:22:52,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:22:52,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:22:52,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:22:52,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 16:22:52,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:22:52,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:22:52,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:22:52,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:22:52,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:22:52,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:22:52,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:22:52,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:22:52,332 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:22:52,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:22:52,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:22:52,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:22:52,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:22:52,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:22:52,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:22:52,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:22:52,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:22:52,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:22:52,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:22:52,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:22:52,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:22:52,337 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:22:52,337 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_16c0dec5-8975-4114-9d04-461a13a6be83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 [2022-12-13 16:22:52,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:22:52,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:22:52,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:22:52,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:22:52,522 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:22:52,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2022-12-13 16:22:55,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:22:55,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:22:55,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2022-12-13 16:22:55,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/e2a4dab53/934edf1f21034d9399a4e6001c9af9b8/FLAG4b2559771 [2022-12-13 16:22:55,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/e2a4dab53/934edf1f21034d9399a4e6001c9af9b8 [2022-12-13 16:22:55,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:22:55,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:22:55,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:22:55,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:22:55,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:22:55,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731fd833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55, skipping insertion in model container [2022-12-13 16:22:55,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:22:55,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:22:55,766 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_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c[728,741] [2022-12-13 16:22:55,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:22:55,810 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:22:55,818 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_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c[728,741] [2022-12-13 16:22:55,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:22:55,848 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:22:55,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55 WrapperNode [2022-12-13 16:22:55,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:22:55,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:22:55,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:22:55,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:22:55,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,882 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-12-13 16:22:55,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:22:55,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:22:55,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:22:55,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:22:55,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:22:55,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:22:55,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:22:55,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:22:55,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (1/1) ... [2022-12-13 16:22:55,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:22:55,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:55,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:22:55,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:22:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:22:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:22:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-12-13 16:22:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-12-13 16:22:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:22:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:22:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 16:22:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 16:22:56,043 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:22:56,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:22:56,368 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:22:56,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:22:56,376 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:22:56,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:22:56 BoogieIcfgContainer [2022-12-13 16:22:56,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:22:56,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:22:56,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:22:56,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:22:56,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:22:55" (1/3) ... [2022-12-13 16:22:56,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aafd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:22:56, skipping insertion in model container [2022-12-13 16:22:56,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:22:55" (2/3) ... [2022-12-13 16:22:56,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aafd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:22:56, skipping insertion in model container [2022-12-13 16:22:56,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:22:56" (3/3) ... [2022-12-13 16:22:56,387 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_3a.c.cil.c [2022-12-13 16:22:56,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:22:56,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-13 16:22:56,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:22:56,464 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;@591501d3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:22:56,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-12-13 16:22:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 83 states have (on average 1.6867469879518073) internal successors, (140), 102 states have internal predecessors, (140), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 16:22:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 16:22:56,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:56,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:56,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:56,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 186900082, now seen corresponding path program 1 times [2022-12-13 16:22:56,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:56,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238008295] [2022-12-13 16:22:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:56,660 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 16:22:56,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:56,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238008295] [2022-12-13 16:22:56,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238008295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:56,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:56,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:22:56,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524291100] [2022-12-13 16:22:56,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:56,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:22:56,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:22:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:22:56,700 INFO L87 Difference]: Start difference. First operand has 109 states, 83 states have (on average 1.6867469879518073) internal successors, (140), 102 states have internal predecessors, (140), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:56,815 INFO L93 Difference]: Finished difference Result 263 states and 382 transitions. [2022-12-13 16:22:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:22:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-13 16:22:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:56,825 INFO L225 Difference]: With dead ends: 263 [2022-12-13 16:22:56,826 INFO L226 Difference]: Without dead ends: 135 [2022-12-13 16:22:56,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:56,831 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 83 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:56,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 379 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:22:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-12-13 16:22:56,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2022-12-13 16:22:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 103 states have (on average 1.5339805825242718) internal successors, (158), 118 states have internal predecessors, (158), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 166 transitions. [2022-12-13 16:22:56,872 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 166 transitions. Word has length 9 [2022-12-13 16:22:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:56,873 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 166 transitions. [2022-12-13 16:22:56,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2022-12-13 16:22:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 16:22:56,875 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:56,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:56,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:22:56,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash 207635630, now seen corresponding path program 1 times [2022-12-13 16:22:56,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:56,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422641011] [2022-12-13 16:22:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:56,982 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 16:22:56,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:56,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422641011] [2022-12-13 16:22:56,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422641011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:56,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:56,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:56,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053304402] [2022-12-13 16:22:56,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:56,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:56,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:56,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:56,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:56,985 INFO L87 Difference]: Start difference. First operand 125 states and 166 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:57,083 INFO L93 Difference]: Finished difference Result 275 states and 366 transitions. [2022-12-13 16:22:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:57,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 16:22:57,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:57,086 INFO L225 Difference]: With dead ends: 275 [2022-12-13 16:22:57,086 INFO L226 Difference]: Without dead ends: 153 [2022-12-13 16:22:57,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:22:57,088 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 128 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:57,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 367 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:22:57,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-12-13 16:22:57,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 134. [2022-12-13 16:22:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 127 states have internal predecessors, (170), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2022-12-13 16:22:57,106 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 14 [2022-12-13 16:22:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:57,107 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2022-12-13 16:22:57,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2022-12-13 16:22:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 16:22:57,108 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:57,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:57,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:22:57,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:57,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2141737346, now seen corresponding path program 1 times [2022-12-13 16:22:57,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:57,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550938038] [2022-12-13 16:22:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,175 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 16:22:57,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:57,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550938038] [2022-12-13 16:22:57,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550938038] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:57,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:57,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:57,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126507111] [2022-12-13 16:22:57,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:57,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:57,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:57,178 INFO L87 Difference]: Start difference. First operand 134 states and 178 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:57,258 INFO L93 Difference]: Finished difference Result 161 states and 207 transitions. [2022-12-13 16:22:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 16:22:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:57,260 INFO L225 Difference]: With dead ends: 161 [2022-12-13 16:22:57,260 INFO L226 Difference]: Without dead ends: 159 [2022-12-13 16:22:57,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:22:57,261 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 112 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:57,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 379 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:22:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-13 16:22:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 134. [2022-12-13 16:22:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 112 states have (on average 1.5) internal successors, (168), 127 states have internal predecessors, (168), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2022-12-13 16:22:57,269 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 176 transitions. Word has length 15 [2022-12-13 16:22:57,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:57,270 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 176 transitions. [2022-12-13 16:22:57,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2022-12-13 16:22:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 16:22:57,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:57,270 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:57,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:22:57,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash -966415747, now seen corresponding path program 1 times [2022-12-13 16:22:57,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:57,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956441231] [2022-12-13 16:22:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 16:22:57,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:57,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956441231] [2022-12-13 16:22:57,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956441231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:57,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:57,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:22:57,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225930528] [2022-12-13 16:22:57,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:57,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:22:57,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:57,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:22:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:22:57,296 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:57,317 INFO L93 Difference]: Finished difference Result 142 states and 186 transitions. [2022-12-13 16:22:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:22:57,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 16:22:57,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:57,318 INFO L225 Difference]: With dead ends: 142 [2022-12-13 16:22:57,318 INFO L226 Difference]: Without dead ends: 141 [2022-12-13 16:22:57,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:22:57,320 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 4 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:57,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 200 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:57,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-12-13 16:22:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2022-12-13 16:22:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 110 states have (on average 1.490909090909091) internal successors, (164), 124 states have internal predecessors, (164), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 172 transitions. [2022-12-13 16:22:57,327 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 172 transitions. Word has length 16 [2022-12-13 16:22:57,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:57,328 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 172 transitions. [2022-12-13 16:22:57,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2022-12-13 16:22:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 16:22:57,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:57,328 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:57,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:22:57,329 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:57,329 INFO L85 PathProgramCache]: Analyzing trace with hash 108044843, now seen corresponding path program 1 times [2022-12-13 16:22:57,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:57,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547482476] [2022-12-13 16:22:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:22:57,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547482476] [2022-12-13 16:22:57,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547482476] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321264368] [2022-12-13 16:22:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:57,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:22:57,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:22:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:22:57,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:22:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:22:57,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:22:57,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321264368] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:57,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:22:57,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 16:22:57,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230249776] [2022-12-13 16:22:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:22:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:22:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:22:57,480 INFO L87 Difference]: Start difference. First operand 131 states and 172 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:57,530 INFO L93 Difference]: Finished difference Result 160 states and 213 transitions. [2022-12-13 16:22:57,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:22:57,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-13 16:22:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:57,532 INFO L225 Difference]: With dead ends: 160 [2022-12-13 16:22:57,532 INFO L226 Difference]: Without dead ends: 159 [2022-12-13 16:22:57,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 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 16:22:57,534 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 16 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:57,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 317 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-13 16:22:57,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 133. [2022-12-13 16:22:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 112 states have (on average 1.4910714285714286) internal successors, (167), 126 states have internal predecessors, (167), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 175 transitions. [2022-12-13 16:22:57,545 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 175 transitions. Word has length 17 [2022-12-13 16:22:57,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:57,545 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 175 transitions. [2022-12-13 16:22:57,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 175 transitions. [2022-12-13 16:22:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 16:22:57,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:57,546 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:57,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:22:57,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:57,747 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -406903932, now seen corresponding path program 1 times [2022-12-13 16:22:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:57,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020708178] [2022-12-13 16:22:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 16:22:57,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:57,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020708178] [2022-12-13 16:22:57,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020708178] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:57,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:57,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:22:57,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087568842] [2022-12-13 16:22:57,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:57,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:22:57,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:57,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:22:57,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:22:57,810 INFO L87 Difference]: Start difference. First operand 133 states and 175 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:57,870 INFO L93 Difference]: Finished difference Result 166 states and 221 transitions. [2022-12-13 16:22:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:22:57,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 16:22:57,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:57,872 INFO L225 Difference]: With dead ends: 166 [2022-12-13 16:22:57,872 INFO L226 Difference]: Without dead ends: 164 [2022-12-13 16:22:57,872 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 16:22:57,873 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 18 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:57,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 301 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-13 16:22:57,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 135. [2022-12-13 16:22:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 115 states have (on average 1.4695652173913043) internal successors, (169), 128 states have internal predecessors, (169), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 177 transitions. [2022-12-13 16:22:57,885 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 177 transitions. Word has length 19 [2022-12-13 16:22:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:57,885 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 177 transitions. [2022-12-13 16:22:57,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:22:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 177 transitions. [2022-12-13 16:22:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 16:22:57,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:57,887 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:57,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:22:57,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:57,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash 906124417, now seen corresponding path program 1 times [2022-12-13 16:22:57,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:57,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244666224] [2022-12-13 16:22:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:57,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 16:22:57,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:57,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244666224] [2022-12-13 16:22:57,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244666224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:57,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:57,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:57,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057401374] [2022-12-13 16:22:57,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:57,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:57,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:57,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:57,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:57,944 INFO L87 Difference]: Start difference. First operand 135 states and 177 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:22:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:58,012 INFO L93 Difference]: Finished difference Result 198 states and 263 transitions. [2022-12-13 16:22:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:58,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-12-13 16:22:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:58,013 INFO L225 Difference]: With dead ends: 198 [2022-12-13 16:22:58,013 INFO L226 Difference]: Without dead ends: 196 [2022-12-13 16:22:58,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:22:58,014 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 136 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:58,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 295 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-12-13 16:22:58,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 166. [2022-12-13 16:22:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 158 states have internal predecessors, (214), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 222 transitions. [2022-12-13 16:22:58,022 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 222 transitions. Word has length 24 [2022-12-13 16:22:58,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:58,023 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 222 transitions. [2022-12-13 16:22:58,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:22:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 222 transitions. [2022-12-13 16:22:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 16:22:58,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:58,024 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:58,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:22:58,024 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:58,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:58,024 INFO L85 PathProgramCache]: Analyzing trace with hash 877497061, now seen corresponding path program 1 times [2022-12-13 16:22:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:58,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048734179] [2022-12-13 16:22:58,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 16:22:58,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:58,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048734179] [2022-12-13 16:22:58,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048734179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:58,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:58,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:58,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210188589] [2022-12-13 16:22:58,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:58,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:58,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:58,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:58,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:58,064 INFO L87 Difference]: Start difference. First operand 166 states and 222 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:22:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:58,123 INFO L93 Difference]: Finished difference Result 190 states and 251 transitions. [2022-12-13 16:22:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-12-13 16:22:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:58,125 INFO L225 Difference]: With dead ends: 190 [2022-12-13 16:22:58,125 INFO L226 Difference]: Without dead ends: 188 [2022-12-13 16:22:58,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:22:58,127 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 137 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:58,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 295 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-12-13 16:22:58,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2022-12-13 16:22:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 138 states have (on average 1.463768115942029) internal successors, (202), 151 states have internal predecessors, (202), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 210 transitions. [2022-12-13 16:22:58,136 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 210 transitions. Word has length 24 [2022-12-13 16:22:58,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:58,136 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 210 transitions. [2022-12-13 16:22:58,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:22:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 210 transitions. [2022-12-13 16:22:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 16:22:58,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:58,137 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:58,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 16:22:58,137 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:58,138 INFO L85 PathProgramCache]: Analyzing trace with hash -339740318, now seen corresponding path program 1 times [2022-12-13 16:22:58,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:58,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370707702] [2022-12-13 16:22:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:22:58,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:58,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370707702] [2022-12-13 16:22:58,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370707702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:58,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:58,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:58,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034719076] [2022-12-13 16:22:58,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:58,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:58,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:58,187 INFO L87 Difference]: Start difference. First operand 159 states and 210 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:22:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:58,246 INFO L93 Difference]: Finished difference Result 183 states and 242 transitions. [2022-12-13 16:22:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:58,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-12-13 16:22:58,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:58,248 INFO L225 Difference]: With dead ends: 183 [2022-12-13 16:22:58,248 INFO L226 Difference]: Without dead ends: 181 [2022-12-13 16:22:58,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:22:58,249 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 134 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:58,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 288 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-12-13 16:22:58,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 153. [2022-12-13 16:22:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 134 states have (on average 1.4402985074626866) internal successors, (193), 145 states have internal predecessors, (193), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 201 transitions. [2022-12-13 16:22:58,261 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 201 transitions. Word has length 31 [2022-12-13 16:22:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:58,261 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 201 transitions. [2022-12-13 16:22:58,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:22:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2022-12-13 16:22:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 16:22:58,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:58,262 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:58,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 16:22:58,263 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash -368367674, now seen corresponding path program 1 times [2022-12-13 16:22:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:58,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345982667] [2022-12-13 16:22:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:22:58,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:58,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345982667] [2022-12-13 16:22:58,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345982667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:22:58,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:22:58,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:22:58,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828642062] [2022-12-13 16:22:58,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:58,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:22:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:22:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:22:58,321 INFO L87 Difference]: Start difference. First operand 153 states and 201 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:22:58,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:58,383 INFO L93 Difference]: Finished difference Result 175 states and 230 transitions. [2022-12-13 16:22:58,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:58,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-12-13 16:22:58,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:58,385 INFO L225 Difference]: With dead ends: 175 [2022-12-13 16:22:58,385 INFO L226 Difference]: Without dead ends: 173 [2022-12-13 16:22:58,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:22:58,386 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 135 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:58,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 286 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:58,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-12-13 16:22:58,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 144. [2022-12-13 16:22:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 127 states have (on average 1.4251968503937007) internal successors, (181), 136 states have internal predecessors, (181), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 189 transitions. [2022-12-13 16:22:58,398 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 189 transitions. Word has length 31 [2022-12-13 16:22:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:58,398 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 189 transitions. [2022-12-13 16:22:58,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:22:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2022-12-13 16:22:58,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 16:22:58,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:58,400 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:22:58,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 16:22:58,400 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:58,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:58,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1493195762, now seen corresponding path program 1 times [2022-12-13 16:22:58,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:58,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879180382] [2022-12-13 16:22:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 16:22:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:22:58,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:58,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879180382] [2022-12-13 16:22:58,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879180382] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:58,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160463270] [2022-12-13 16:22:58,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:58,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:58,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:22:58,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:22:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 16:22:58,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:22:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 16:22:58,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:22:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:22:58,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160463270] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:58,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:22:58,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 8] total 14 [2022-12-13 16:22:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383095019] [2022-12-13 16:22:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:58,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:22:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:58,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:22:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:22:58,674 INFO L87 Difference]: Start difference. First operand 144 states and 189 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:22:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:58,738 INFO L93 Difference]: Finished difference Result 232 states and 290 transitions. [2022-12-13 16:22:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:22:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2022-12-13 16:22:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:58,740 INFO L225 Difference]: With dead ends: 232 [2022-12-13 16:22:58,740 INFO L226 Difference]: Without dead ends: 182 [2022-12-13 16:22:58,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-12-13 16:22:58,740 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 37 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:58,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 459 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-13 16:22:58,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 144. [2022-12-13 16:22:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 136 states have internal predecessors, (179), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2022-12-13 16:22:58,748 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 187 transitions. Word has length 35 [2022-12-13 16:22:58,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:58,748 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 187 transitions. [2022-12-13 16:22:58,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:22:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 187 transitions. [2022-12-13 16:22:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 16:22:58,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:58,749 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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 16:22:58,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:22:58,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 16:22:58,950 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:58,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:58,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1303876285, now seen corresponding path program 1 times [2022-12-13 16:22:58,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:58,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995053524] [2022-12-13 16:22:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 16:22:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:22:59,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:59,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995053524] [2022-12-13 16:22:59,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995053524] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:59,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033026408] [2022-12-13 16:22:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:59,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:59,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:22:59,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:22:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:22:59,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:22:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:22:59,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:22:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:22:59,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033026408] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:59,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:22:59,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 6] total 10 [2022-12-13 16:22:59,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072944253] [2022-12-13 16:22:59,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:22:59,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:22:59,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:22:59,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:22:59,182 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:22:59,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:59,205 INFO L93 Difference]: Finished difference Result 186 states and 235 transitions. [2022-12-13 16:22:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:22:59,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-12-13 16:22:59,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:59,207 INFO L225 Difference]: With dead ends: 186 [2022-12-13 16:22:59,207 INFO L226 Difference]: Without dead ends: 145 [2022-12-13 16:22:59,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:22:59,208 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 50 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:59,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 186 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:59,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-13 16:22:59,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2022-12-13 16:22:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 136 states have internal predecessors, (178), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:22:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2022-12-13 16:22:59,218 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 186 transitions. Word has length 39 [2022-12-13 16:22:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:59,218 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 186 transitions. [2022-12-13 16:22:59,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:22:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 186 transitions. [2022-12-13 16:22:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 16:22:59,219 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:59,219 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 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 16:22:59,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:22:59,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:59,420 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1765516932, now seen corresponding path program 1 times [2022-12-13 16:22:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:59,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074095235] [2022-12-13 16:22:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 16:22:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:22:59,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:59,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074095235] [2022-12-13 16:22:59,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074095235] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:59,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061545147] [2022-12-13 16:22:59,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:59,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:59,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:59,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:22:59,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:22:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 16:22:59,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:22:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:22:59,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:22:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:22:59,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061545147] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:22:59,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:22:59,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2022-12-13 16:22:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361577929] [2022-12-13 16:22:59,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:22:59,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:22:59,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:22:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:22:59,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:22:59,643 INFO L87 Difference]: Start difference. First operand 144 states and 186 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:22:59,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:22:59,690 INFO L93 Difference]: Finished difference Result 242 states and 301 transitions. [2022-12-13 16:22:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:22:59,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-12-13 16:22:59,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:22:59,692 INFO L225 Difference]: With dead ends: 242 [2022-12-13 16:22:59,692 INFO L226 Difference]: Without dead ends: 198 [2022-12-13 16:22:59,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:22:59,693 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 57 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:22:59,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 561 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:22:59,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-12-13 16:22:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 151. [2022-12-13 16:22:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 132 states have (on average 1.3863636363636365) internal successors, (183), 141 states have internal predecessors, (183), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-13 16:22:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 194 transitions. [2022-12-13 16:22:59,704 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 194 transitions. Word has length 40 [2022-12-13 16:22:59,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:22:59,704 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 194 transitions. [2022-12-13 16:22:59,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:22:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 194 transitions. [2022-12-13 16:22:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 16:22:59,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:22:59,705 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 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 16:22:59,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 16:22:59,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:59,906 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:22:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:22:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1708258630, now seen corresponding path program 1 times [2022-12-13 16:22:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:22:59,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605424605] [2022-12-13 16:22:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:22:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:22:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:22:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:22:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 16:22:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:22:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:22:59,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:22:59,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605424605] [2022-12-13 16:22:59,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605424605] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:22:59,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537776777] [2022-12-13 16:22:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:22:59,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:22:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:22:59,977 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:22:59,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:23:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 16:23:00,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 16:23:00,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:00,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537776777] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:00,194 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:00,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 8] total 18 [2022-12-13 16:23:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89553553] [2022-12-13 16:23:00,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:00,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 16:23:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 16:23:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:23:00,196 INFO L87 Difference]: Start difference. First operand 151 states and 194 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2022-12-13 16:23:00,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:00,516 INFO L93 Difference]: Finished difference Result 413 states and 528 transitions. [2022-12-13 16:23:00,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 16:23:00,517 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 40 [2022-12-13 16:23:00,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:00,518 INFO L225 Difference]: With dead ends: 413 [2022-12-13 16:23:00,518 INFO L226 Difference]: Without dead ends: 227 [2022-12-13 16:23:00,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-12-13 16:23:00,519 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 97 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:00,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1183 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:23:00,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-12-13 16:23:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 143. [2022-12-13 16:23:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.36) internal successors, (170), 134 states have internal predecessors, (170), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:23:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 178 transitions. [2022-12-13 16:23:00,527 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 178 transitions. Word has length 40 [2022-12-13 16:23:00,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:00,527 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 178 transitions. [2022-12-13 16:23:00,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2022-12-13 16:23:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 178 transitions. [2022-12-13 16:23:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 16:23:00,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:00,528 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:00,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 16:23:00,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 16:23:00,729 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:00,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2065115993, now seen corresponding path program 1 times [2022-12-13 16:23:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:00,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780727428] [2022-12-13 16:23:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:00,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 16:23:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 16:23:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:00,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:00,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780727428] [2022-12-13 16:23:00,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780727428] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:00,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980713898] [2022-12-13 16:23:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:00,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:00,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:00,836 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:00,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:23:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:00,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:23:00,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 16:23:00,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:23:00,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980713898] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:00,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:23:00,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-13 16:23:00,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544982151] [2022-12-13 16:23:00,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:00,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:23:00,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:23:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:23:00,929 INFO L87 Difference]: Start difference. First operand 143 states and 178 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:01,016 INFO L93 Difference]: Finished difference Result 311 states and 388 transitions. [2022-12-13 16:23:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:23:01,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-12-13 16:23:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:01,018 INFO L225 Difference]: With dead ends: 311 [2022-12-13 16:23:01,018 INFO L226 Difference]: Without dead ends: 200 [2022-12-13 16:23:01,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:23:01,019 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 29 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:01,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 325 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:23:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-12-13 16:23:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 136. [2022-12-13 16:23:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.347457627118644) internal successors, (159), 127 states have internal predecessors, (159), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:23:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 167 transitions. [2022-12-13 16:23:01,027 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 167 transitions. Word has length 56 [2022-12-13 16:23:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:01,028 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 167 transitions. [2022-12-13 16:23:01,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 167 transitions. [2022-12-13 16:23:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 16:23:01,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:01,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-12-13 16:23:01,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:23:01,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 16:23:01,229 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:01,229 INFO L85 PathProgramCache]: Analyzing trace with hash -699283725, now seen corresponding path program 1 times [2022-12-13 16:23:01,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:01,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863984986] [2022-12-13 16:23:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 16:23:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 16:23:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:01,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:01,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863984986] [2022-12-13 16:23:01,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863984986] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:01,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874170428] [2022-12-13 16:23:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:01,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:01,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:01,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:23:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:01,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:23:01,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 16:23:01,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:01,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874170428] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:01,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:01,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-12-13 16:23:01,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207932680] [2022-12-13 16:23:01,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:01,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:23:01,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:01,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:23:01,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:23:01,492 INFO L87 Difference]: Start difference. First operand 136 states and 167 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:01,688 INFO L93 Difference]: Finished difference Result 572 states and 721 transitions. [2022-12-13 16:23:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 16:23:01,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2022-12-13 16:23:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:01,690 INFO L225 Difference]: With dead ends: 572 [2022-12-13 16:23:01,690 INFO L226 Difference]: Without dead ends: 464 [2022-12-13 16:23:01,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=232, Unknown=0, NotChecked=0, Total=380 [2022-12-13 16:23:01,691 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 275 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:01,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 426 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:23:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-12-13 16:23:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 163. [2022-12-13 16:23:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 154 states have internal predecessors, (193), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:23:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 201 transitions. [2022-12-13 16:23:01,705 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 201 transitions. Word has length 57 [2022-12-13 16:23:01,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:01,705 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 201 transitions. [2022-12-13 16:23:01,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 201 transitions. [2022-12-13 16:23:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 16:23:01,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:01,706 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-12-13 16:23:01,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 16:23:01,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 16:23:01,907 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:01,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1499167963, now seen corresponding path program 1 times [2022-12-13 16:23:01,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:01,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743754633] [2022-12-13 16:23:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:01,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 16:23:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 16:23:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:02,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:02,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743754633] [2022-12-13 16:23:02,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743754633] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:02,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805983345] [2022-12-13 16:23:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:02,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:02,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 16:23:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:02,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:23:02,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 16:23:02,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:02,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805983345] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:02,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:02,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-12-13 16:23:02,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381843679] [2022-12-13 16:23:02,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:02,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 16:23:02,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:02,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 16:23:02,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:23:02,336 INFO L87 Difference]: Start difference. First operand 163 states and 201 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:23:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:02,748 INFO L93 Difference]: Finished difference Result 403 states and 506 transitions. [2022-12-13 16:23:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 16:23:02,748 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2022-12-13 16:23:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:02,749 INFO L225 Difference]: With dead ends: 403 [2022-12-13 16:23:02,749 INFO L226 Difference]: Without dead ends: 281 [2022-12-13 16:23:02,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=186, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:23:02,750 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 125 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:02,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 513 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:23:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-12-13 16:23:02,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 156. [2022-12-13 16:23:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 147 states have internal predecessors, (179), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:23:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2022-12-13 16:23:02,760 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 61 [2022-12-13 16:23:02,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:02,760 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2022-12-13 16:23:02,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:23:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2022-12-13 16:23:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 16:23:02,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:02,761 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:02,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 16:23:02,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 16:23:02,962 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash 239667187, now seen corresponding path program 2 times [2022-12-13 16:23:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:02,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640899929] [2022-12-13 16:23:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:02,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 16:23:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 16:23:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:03,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:03,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640899929] [2022-12-13 16:23:03,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640899929] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:03,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382616717] [2022-12-13 16:23:03,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:23:03,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:03,178 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:03,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 16:23:03,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 16:23:03,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:23:03,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 16:23:03,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 16:23:03,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:23:03,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382616717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:03,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:23:03,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2022-12-13 16:23:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328224775] [2022-12-13 16:23:03,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:03,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:23:03,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:03,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:23:03,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:23:03,278 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:03,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:03,372 INFO L93 Difference]: Finished difference Result 294 states and 349 transitions. [2022-12-13 16:23:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 16:23:03,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 77 [2022-12-13 16:23:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:03,374 INFO L225 Difference]: With dead ends: 294 [2022-12-13 16:23:03,374 INFO L226 Difference]: Without dead ends: 251 [2022-12-13 16:23:03,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-12-13 16:23:03,375 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 94 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:03,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 742 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:23:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-12-13 16:23:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 177. [2022-12-13 16:23:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 158 states have (on average 1.2721518987341771) internal successors, (201), 167 states have internal predecessors, (201), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 16:23:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 210 transitions. [2022-12-13 16:23:03,391 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 210 transitions. Word has length 77 [2022-12-13 16:23:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:03,391 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 210 transitions. [2022-12-13 16:23:03,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 210 transitions. [2022-12-13 16:23:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 16:23:03,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:03,392 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:03,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 16:23:03,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 16:23:03,593 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:03,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:03,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2114891252, now seen corresponding path program 1 times [2022-12-13 16:23:03,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:03,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466077252] [2022-12-13 16:23:03,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:03,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 16:23:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 16:23:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:03,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:03,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466077252] [2022-12-13 16:23:03,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466077252] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:03,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234623888] [2022-12-13 16:23:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:03,754 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 16:23:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:03,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:23:03,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 26 proven. 87 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:23:03,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:04,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234623888] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:04,122 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:04,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2022-12-13 16:23:04,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391713800] [2022-12-13 16:23:04,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:04,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 16:23:04,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:04,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 16:23:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=420, Unknown=0, NotChecked=0, Total=650 [2022-12-13 16:23:04,125 INFO L87 Difference]: Start difference. First operand 177 states and 210 transitions. Second operand has 26 states, 26 states have (on average 5.923076923076923) internal successors, (154), 26 states have internal predecessors, (154), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:04,528 INFO L93 Difference]: Finished difference Result 986 states and 1243 transitions. [2022-12-13 16:23:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 16:23:04,529 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.923076923076923) internal successors, (154), 26 states have internal predecessors, (154), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2022-12-13 16:23:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:04,531 INFO L225 Difference]: With dead ends: 986 [2022-12-13 16:23:04,531 INFO L226 Difference]: Without dead ends: 857 [2022-12-13 16:23:04,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=488, Invalid=772, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 16:23:04,532 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 536 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:04,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1047 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:23:04,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2022-12-13 16:23:04,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 224. [2022-12-13 16:23:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 205 states have (on average 1.2634146341463415) internal successors, (259), 214 states have internal predecessors, (259), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 16:23:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 268 transitions. [2022-12-13 16:23:04,548 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 268 transitions. Word has length 82 [2022-12-13 16:23:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:04,549 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 268 transitions. [2022-12-13 16:23:04,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.923076923076923) internal successors, (154), 26 states have internal predecessors, (154), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 268 transitions. [2022-12-13 16:23:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 16:23:04,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:04,549 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 4, 4, 4, 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] [2022-12-13 16:23:04,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 16:23:04,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:04,750 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:04,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1818476286, now seen corresponding path program 1 times [2022-12-13 16:23:04,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:04,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112842] [2022-12-13 16:23:04,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:04,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 16:23:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 16:23:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 91 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:04,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:04,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112842] [2022-12-13 16:23:04,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112842] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:04,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644488762] [2022-12-13 16:23:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:04,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:04,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:04,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 16:23:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:05,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 16:23:05,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 32 proven. 75 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:23:05,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 91 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:05,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644488762] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:05,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:05,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2022-12-13 16:23:05,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946044265] [2022-12-13 16:23:05,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:05,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 16:23:05,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:05,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 16:23:05,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2022-12-13 16:23:05,393 INFO L87 Difference]: Start difference. First operand 224 states and 268 transitions. Second operand has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:23:14,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:14,050 INFO L93 Difference]: Finished difference Result 589 states and 732 transitions. [2022-12-13 16:23:14,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 16:23:14,051 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 86 [2022-12-13 16:23:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:14,052 INFO L225 Difference]: With dead ends: 589 [2022-12-13 16:23:14,052 INFO L226 Difference]: Without dead ends: 446 [2022-12-13 16:23:14,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=502, Invalid=902, Unknown=2, NotChecked=0, Total=1406 [2022-12-13 16:23:14,053 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 201 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:14,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 999 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 16:23:14,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-12-13 16:23:14,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 217. [2022-12-13 16:23:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 198 states have (on average 1.2171717171717171) internal successors, (241), 207 states have internal predecessors, (241), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 16:23:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 250 transitions. [2022-12-13 16:23:14,077 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 250 transitions. Word has length 86 [2022-12-13 16:23:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:14,078 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 250 transitions. [2022-12-13 16:23:14,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:23:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 250 transitions. [2022-12-13 16:23:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 16:23:14,079 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:14,079 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:14,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 16:23:14,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:14,281 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:14,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1334776844, now seen corresponding path program 2 times [2022-12-13 16:23:14,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:14,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786608511] [2022-12-13 16:23:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 16:23:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 16:23:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 4 proven. 493 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:14,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:14,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786608511] [2022-12-13 16:23:14,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786608511] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:14,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416828353] [2022-12-13 16:23:14,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:23:14,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:14,646 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 16:23:14,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:23:14,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:23:14,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 16:23:14,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 26 proven. 483 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:23:14,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 4 proven. 493 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:15,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416828353] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:15,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:15,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 50 [2022-12-13 16:23:15,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69908260] [2022-12-13 16:23:15,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-12-13 16:23:15,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-12-13 16:23:15,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=846, Invalid=1604, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 16:23:15,360 INFO L87 Difference]: Start difference. First operand 217 states and 250 transitions. Second operand has 50 states, 50 states have (on average 5.48) internal successors, (274), 50 states have internal predecessors, (274), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:16,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:16,327 INFO L93 Difference]: Finished difference Result 1730 states and 2195 transitions. [2022-12-13 16:23:16,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-12-13 16:23:16,328 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.48) internal successors, (274), 50 states have internal predecessors, (274), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 122 [2022-12-13 16:23:16,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:16,331 INFO L225 Difference]: With dead ends: 1730 [2022-12-13 16:23:16,331 INFO L226 Difference]: Without dead ends: 1601 [2022-12-13 16:23:16,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1744, Invalid=2812, Unknown=0, NotChecked=0, Total=4556 [2022-12-13 16:23:16,332 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 1351 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:16,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1135 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 16:23:16,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-12-13 16:23:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 304. [2022-12-13 16:23:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 285 states have (on average 1.2175438596491228) internal successors, (347), 294 states have internal predecessors, (347), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 16:23:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 356 transitions. [2022-12-13 16:23:16,366 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 356 transitions. Word has length 122 [2022-12-13 16:23:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:16,366 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 356 transitions. [2022-12-13 16:23:16,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.48) internal successors, (274), 50 states have internal predecessors, (274), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:23:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 356 transitions. [2022-12-13 16:23:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-13 16:23:16,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:16,367 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 4, 4, 4, 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] [2022-12-13 16:23:16,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 16:23:16,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:16,568 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:16,570 INFO L85 PathProgramCache]: Analyzing trace with hash 783253250, now seen corresponding path program 2 times [2022-12-13 16:23:16,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:16,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401227956] [2022-12-13 16:23:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 16:23:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 16:23:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 4 proven. 471 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:17,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401227956] [2022-12-13 16:23:17,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401227956] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:17,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735659077] [2022-12-13 16:23:17,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:23:17,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:17,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:17,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:17,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 16:23:17,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:23:17,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:23:17,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 16:23:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2022-12-13 16:23:17,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2022-12-13 16:23:17,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735659077] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:17,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:17,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 28 [2022-12-13 16:23:17,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458306804] [2022-12-13 16:23:17,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:17,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 16:23:17,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:17,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 16:23:17,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-12-13 16:23:17,441 INFO L87 Difference]: Start difference. First operand 304 states and 356 transitions. Second operand has 28 states, 28 states have (on average 4.964285714285714) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-13 16:23:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:18,200 INFO L93 Difference]: Finished difference Result 698 states and 839 transitions. [2022-12-13 16:23:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 16:23:18,201 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.964285714285714) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 126 [2022-12-13 16:23:18,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:18,203 INFO L225 Difference]: With dead ends: 698 [2022-12-13 16:23:18,203 INFO L226 Difference]: Without dead ends: 566 [2022-12-13 16:23:18,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=1081, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 16:23:18,204 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 381 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 2421 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:18,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 2421 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 16:23:18,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-12-13 16:23:18,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 313. [2022-12-13 16:23:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 292 states have (on average 1.2089041095890412) internal successors, (353), 300 states have internal predecessors, (353), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:23:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 366 transitions. [2022-12-13 16:23:18,247 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 366 transitions. Word has length 126 [2022-12-13 16:23:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:18,248 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 366 transitions. [2022-12-13 16:23:18,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.964285714285714) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-13 16:23:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 366 transitions. [2022-12-13 16:23:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 16:23:18,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:18,250 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:18,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 16:23:18,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 16:23:18,451 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:18,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:18,452 INFO L85 PathProgramCache]: Analyzing trace with hash -303496585, now seen corresponding path program 1 times [2022-12-13 16:23:18,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:18,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748252453] [2022-12-13 16:23:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 16:23:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:23:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 4 proven. 547 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 16:23:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:18,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748252453] [2022-12-13 16:23:18,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748252453] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:18,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617949938] [2022-12-13 16:23:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:18,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:18,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:18,922 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:18,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 16:23:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:19,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 16:23:19,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2022-12-13 16:23:19,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2022-12-13 16:23:19,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617949938] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:19,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:19,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 9] total 36 [2022-12-13 16:23:19,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843641985] [2022-12-13 16:23:19,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:19,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-12-13 16:23:19,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:19,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-12-13 16:23:19,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 16:23:19,807 INFO L87 Difference]: Start difference. First operand 313 states and 366 transitions. Second operand has 36 states, 36 states have (on average 4.638888888888889) internal successors, (167), 34 states have internal predecessors, (167), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 16:23:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:21,663 INFO L93 Difference]: Finished difference Result 876 states and 1049 transitions. [2022-12-13 16:23:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-12-13 16:23:21,663 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.638888888888889) internal successors, (167), 34 states have internal predecessors, (167), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) Word has length 136 [2022-12-13 16:23:21,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:21,667 INFO L225 Difference]: With dead ends: 876 [2022-12-13 16:23:21,667 INFO L226 Difference]: Without dead ends: 735 [2022-12-13 16:23:21,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=437, Invalid=2755, Unknown=0, NotChecked=0, Total=3192 [2022-12-13 16:23:21,668 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 755 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 3272 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:21,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 3272 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 16:23:21,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-12-13 16:23:21,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 329. [2022-12-13 16:23:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 306 states have (on average 1.2124183006535947) internal successors, (371), 314 states have internal predecessors, (371), 6 states have call successors, (6), 4 states have call predecessors, (6), 7 states have return successors, (11), 10 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-13 16:23:21,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 388 transitions. [2022-12-13 16:23:21,700 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 388 transitions. Word has length 136 [2022-12-13 16:23:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:21,701 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 388 transitions. [2022-12-13 16:23:21,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.638888888888889) internal successors, (167), 34 states have internal predecessors, (167), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 16:23:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 388 transitions. [2022-12-13 16:23:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-13 16:23:21,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:21,702 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:21,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-13 16:23:21,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 16:23:21,902 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:21,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1862848251, now seen corresponding path program 1 times [2022-12-13 16:23:21,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:21,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696966543] [2022-12-13 16:23:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:23:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 4 proven. 622 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 16:23:22,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:22,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696966543] [2022-12-13 16:23:22,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696966543] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:22,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515376299] [2022-12-13 16:23:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:22,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:22,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:22,342 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 16:23:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:22,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 16:23:22,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-12-13 16:23:22,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:23:22,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515376299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:22,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:23:22,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 29 [2022-12-13 16:23:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074172568] [2022-12-13 16:23:22,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:22,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:23:22,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:22,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:23:22,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2022-12-13 16:23:22,724 INFO L87 Difference]: Start difference. First operand 329 states and 388 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:23,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:23,130 INFO L93 Difference]: Finished difference Result 544 states and 643 transitions. [2022-12-13 16:23:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 16:23:23,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 141 [2022-12-13 16:23:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:23,132 INFO L225 Difference]: With dead ends: 544 [2022-12-13 16:23:23,132 INFO L226 Difference]: Without dead ends: 501 [2022-12-13 16:23:23,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 16:23:23,132 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 209 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:23,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1416 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:23:23,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-12-13 16:23:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 362. [2022-12-13 16:23:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 338 states have (on average 1.2218934911242603) internal successors, (413), 344 states have internal predecessors, (413), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (14), 13 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:23:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 433 transitions. [2022-12-13 16:23:23,171 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 433 transitions. Word has length 141 [2022-12-13 16:23:23,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:23,172 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 433 transitions. [2022-12-13 16:23:23,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:23,172 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 433 transitions. [2022-12-13 16:23:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 16:23:23,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:23,173 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:23,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-13 16:23:23,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 16:23:23,373 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:23,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash -8442539, now seen corresponding path program 1 times [2022-12-13 16:23:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058350490] [2022-12-13 16:23:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:23:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 4 proven. 610 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:23,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058350490] [2022-12-13 16:23:23,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058350490] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843102149] [2022-12-13 16:23:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:23,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:23,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:23,807 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:23,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 16:23:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 16:23:24,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-12-13 16:23:24,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:23:24,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843102149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:24,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:23:24,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 28 [2022-12-13 16:23:24,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246825964] [2022-12-13 16:23:24,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:24,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 16:23:24,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:24,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 16:23:24,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-12-13 16:23:24,316 INFO L87 Difference]: Start difference. First operand 362 states and 433 transitions. Second operand has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:24,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:24,559 INFO L93 Difference]: Finished difference Result 460 states and 543 transitions. [2022-12-13 16:23:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 16:23:24,559 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 142 [2022-12-13 16:23:24,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:24,561 INFO L225 Difference]: With dead ends: 460 [2022-12-13 16:23:24,561 INFO L226 Difference]: Without dead ends: 456 [2022-12-13 16:23:24,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2022-12-13 16:23:24,561 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 183 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:24,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 639 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:23:24,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-12-13 16:23:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 395. [2022-12-13 16:23:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 371 states have (on average 1.2237196765498652) internal successors, (454), 377 states have internal predecessors, (454), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (14), 13 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:23:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 474 transitions. [2022-12-13 16:23:24,606 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 474 transitions. Word has length 142 [2022-12-13 16:23:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:24,607 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 474 transitions. [2022-12-13 16:23:24,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 474 transitions. [2022-12-13 16:23:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 16:23:24,608 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:24,608 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:24,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 16:23:24,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 16:23:24,809 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:24,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1414285669, now seen corresponding path program 1 times [2022-12-13 16:23:24,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:24,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690385036] [2022-12-13 16:23:24,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:24,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:23:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2022-12-13 16:23:24,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:24,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690385036] [2022-12-13 16:23:24,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690385036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:24,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:24,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:23:24,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594372849] [2022-12-13 16:23:24,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:24,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:23:24,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:24,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:23:24,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:23:24,874 INFO L87 Difference]: Start difference. First operand 395 states and 474 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:24,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:24,962 INFO L93 Difference]: Finished difference Result 657 states and 806 transitions. [2022-12-13 16:23:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:23:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 142 [2022-12-13 16:23:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:24,964 INFO L225 Difference]: With dead ends: 657 [2022-12-13 16:23:24,965 INFO L226 Difference]: Without dead ends: 439 [2022-12-13 16:23:24,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:23:24,966 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 4 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:24,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 283 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:23:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-12-13 16:23:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 415. [2022-12-13 16:23:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 391 states have (on average 1.2122762148337596) internal successors, (474), 397 states have internal predecessors, (474), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (14), 13 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:23:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 494 transitions. [2022-12-13 16:23:25,014 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 494 transitions. Word has length 142 [2022-12-13 16:23:25,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:25,015 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 494 transitions. [2022-12-13 16:23:25,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:23:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 494 transitions. [2022-12-13 16:23:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 16:23:25,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:25,016 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:25,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 16:23:25,016 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:25,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash -261718500, now seen corresponding path program 1 times [2022-12-13 16:23:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:25,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615462441] [2022-12-13 16:23:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 16:23:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 4 proven. 610 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 16:23:25,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:25,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615462441] [2022-12-13 16:23:25,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615462441] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:25,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886702793] [2022-12-13 16:23:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:25,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:25,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:25,496 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:25,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-13 16:23:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:25,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 16:23:25,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-12-13 16:23:25,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:23:25,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886702793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:25,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:23:25,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 28 [2022-12-13 16:23:25,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412096083] [2022-12-13 16:23:25,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:25,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 16:23:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:25,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 16:23:25,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-12-13 16:23:25,924 INFO L87 Difference]: Start difference. First operand 415 states and 494 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:26,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:26,120 INFO L93 Difference]: Finished difference Result 483 states and 567 transitions. [2022-12-13 16:23:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 16:23:26,120 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 143 [2022-12-13 16:23:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:26,122 INFO L225 Difference]: With dead ends: 483 [2022-12-13 16:23:26,122 INFO L226 Difference]: Without dead ends: 474 [2022-12-13 16:23:26,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2022-12-13 16:23:26,122 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 166 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:26,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 674 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:23:26,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-12-13 16:23:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 415. [2022-12-13 16:23:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 391 states have (on average 1.2046035805626598) internal successors, (471), 397 states have internal predecessors, (471), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (14), 13 states have call predecessors, (14), 6 states have call successors, (14) [2022-12-13 16:23:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 491 transitions. [2022-12-13 16:23:26,158 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 491 transitions. Word has length 143 [2022-12-13 16:23:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:26,158 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 491 transitions. [2022-12-13 16:23:26,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:23:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 491 transitions. [2022-12-13 16:23:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 16:23:26,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:26,159 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 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] [2022-12-13 16:23:26,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-12-13 16:23:26,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:26,361 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:26,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -280681651, now seen corresponding path program 1 times [2022-12-13 16:23:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:26,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712614062] [2022-12-13 16:23:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:26,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:23:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2022-12-13 16:23:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:26,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712614062] [2022-12-13 16:23:26,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712614062] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:26,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344144407] [2022-12-13 16:23:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:26,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-13 16:23:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:26,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 16:23:26,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-13 16:23:26,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2022-12-13 16:23:26,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344144407] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:26,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:26,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 24 [2022-12-13 16:23:26,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897641093] [2022-12-13 16:23:26,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:26,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:23:26,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:26,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:23:26,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2022-12-13 16:23:26,866 INFO L87 Difference]: Start difference. First operand 415 states and 491 transitions. Second operand has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 21 states have internal predecessors, (89), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 16:23:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:27,735 INFO L93 Difference]: Finished difference Result 1205 states and 1401 transitions. [2022-12-13 16:23:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-13 16:23:27,735 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 21 states have internal predecessors, (89), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 143 [2022-12-13 16:23:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:27,737 INFO L225 Difference]: With dead ends: 1205 [2022-12-13 16:23:27,737 INFO L226 Difference]: Without dead ends: 1155 [2022-12-13 16:23:27,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=2011, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 16:23:27,738 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1391 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 3610 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:27,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 3610 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 16:23:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-12-13 16:23:27,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 449. [2022-12-13 16:23:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 423 states have (on average 1.2056737588652482) internal successors, (510), 427 states have internal predecessors, (510), 7 states have call successors, (7), 4 states have call predecessors, (7), 9 states have return successors, (18), 17 states have call predecessors, (18), 7 states have call successors, (18) [2022-12-13 16:23:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 535 transitions. [2022-12-13 16:23:27,779 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 535 transitions. Word has length 143 [2022-12-13 16:23:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:27,779 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 535 transitions. [2022-12-13 16:23:27,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 21 states have internal predecessors, (89), 4 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 16:23:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 535 transitions. [2022-12-13 16:23:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 16:23:27,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:27,781 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 15, 4, 4, 4, 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] [2022-12-13 16:23:27,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-12-13 16:23:27,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-13 16:23:27,982 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:27,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:27,983 INFO L85 PathProgramCache]: Analyzing trace with hash -280679729, now seen corresponding path program 1 times [2022-12-13 16:23:27,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:27,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371439024] [2022-12-13 16:23:27,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:27,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 16:23:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 16:23:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 4 proven. 616 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:23:28,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:28,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371439024] [2022-12-13 16:23:28,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371439024] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:28,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847313607] [2022-12-13 16:23:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:28,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:28,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:28,463 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:28,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-13 16:23:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:28,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 16:23:28,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-13 16:23:28,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-13 16:23:29,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847313607] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:29,447 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:29,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 10] total 39 [2022-12-13 16:23:29,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060723924] [2022-12-13 16:23:29,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:29,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-12-13 16:23:29,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:29,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-12-13 16:23:29,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1364, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 16:23:29,450 INFO L87 Difference]: Start difference. First operand 449 states and 535 transitions. Second operand has 39 states, 39 states have (on average 5.0) internal successors, (195), 37 states have internal predecessors, (195), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 16:23:31,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:23:31,800 INFO L93 Difference]: Finished difference Result 1243 states and 1490 transitions. [2022-12-13 16:23:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-12-13 16:23:31,800 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.0) internal successors, (195), 37 states have internal predecessors, (195), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) Word has length 143 [2022-12-13 16:23:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:23:31,802 INFO L225 Difference]: With dead ends: 1243 [2022-12-13 16:23:31,802 INFO L226 Difference]: Without dead ends: 966 [2022-12-13 16:23:31,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=549, Invalid=3873, Unknown=0, NotChecked=0, Total=4422 [2022-12-13 16:23:31,803 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1108 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:23:31,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 3840 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:23:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-12-13 16:23:31,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 456. [2022-12-13 16:23:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 430 states have (on average 1.2069767441860466) internal successors, (519), 433 states have internal predecessors, (519), 7 states have call successors, (7), 4 states have call predecessors, (7), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-12-13 16:23:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 544 transitions. [2022-12-13 16:23:31,847 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 544 transitions. Word has length 143 [2022-12-13 16:23:31,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:23:31,847 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 544 transitions. [2022-12-13 16:23:31,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.0) internal successors, (195), 37 states have internal predecessors, (195), 6 states have call successors, (12), 1 states have call predecessors, (12), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 16:23:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 544 transitions. [2022-12-13 16:23:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 16:23:31,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:23:31,849 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 16, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:31,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-12-13 16:23:32,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 16:23:32,049 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:23:32,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash 158634451, now seen corresponding path program 1 times [2022-12-13 16:23:32,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:32,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422432456] [2022-12-13 16:23:32,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:23:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 16:23:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 16:23:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 16:23:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 4 proven. 702 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 16:23:32,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:32,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422432456] [2022-12-13 16:23:32,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422432456] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:23:32,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954618730] [2022-12-13 16:23:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:23:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:32,598 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:23:32,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-12-13 16:23:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:32,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 16:23:32,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:23:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 38 proven. 680 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:23:33,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:23:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 4 proven. 702 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 16:23:33,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954618730] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:23:33,915 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:23:33,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 58 [2022-12-13 16:23:33,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377189572] [2022-12-13 16:23:33,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:23:33,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-12-13 16:23:33,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:33,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-12-13 16:23:33,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=2545, Unknown=0, NotChecked=0, Total=3306 [2022-12-13 16:23:33,918 INFO L87 Difference]: Start difference. First operand 456 states and 544 transitions. Second operand has 58 states, 58 states have (on average 5.637931034482759) internal successors, (327), 58 states have internal predecessors, (327), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:23:49,897 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 58 DAG size of output: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:23:55,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 16:24:08,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 16:24:10,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 16:24:12,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 16:24:42,191 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 64 DAG size of output: 23 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:25:57,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:25:57,154 INFO L93 Difference]: Finished difference Result 1387 states and 1729 transitions. [2022-12-13 16:25:57,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 16:25:57,154 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 5.637931034482759) internal successors, (327), 58 states have internal predecessors, (327), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 148 [2022-12-13 16:25:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:25:57,156 INFO L225 Difference]: With dead ends: 1387 [2022-12-13 16:25:57,156 INFO L226 Difference]: Without dead ends: 1081 [2022-12-13 16:25:57,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2228 ImplicationChecksByTransitivity, 130.8s TimeCoverageRelationStatistics Valid=2591, Invalid=6317, Unknown=22, NotChecked=0, Total=8930 [2022-12-13 16:25:57,158 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 681 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 3750 mSolverCounterSat, 80 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 3129 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 3750 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:25:57,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 3129 Invalid, 3833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 3750 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-12-13 16:25:57,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-12-13 16:25:57,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 484. [2022-12-13 16:25:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 458 states have (on average 1.1790393013100438) internal successors, (540), 461 states have internal predecessors, (540), 7 states have call successors, (7), 4 states have call predecessors, (7), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-12-13 16:25:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 565 transitions. [2022-12-13 16:25:57,235 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 565 transitions. Word has length 148 [2022-12-13 16:25:57,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:25:57,236 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 565 transitions. [2022-12-13 16:25:57,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.637931034482759) internal successors, (327), 58 states have internal predecessors, (327), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:25:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 565 transitions. [2022-12-13 16:25:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-13 16:25:57,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:25:57,237 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:25:57,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-12-13 16:25:57,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:25:57,437 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:25:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:25:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1909714657, now seen corresponding path program 2 times [2022-12-13 16:25:57,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:25:57,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427475251] [2022-12-13 16:25:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:25:57,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:25:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:57,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:25:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:57,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:25:57,515 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:25:57,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-12-13 16:25:57,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-12-13 16:25:57,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-12-13 16:25:57,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 16:25:57,520 INFO L445 BasicCegarLoop]: Path program histogram: [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] [2022-12-13 16:25:57,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:25:57,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:25:57 BoogieIcfgContainer [2022-12-13 16:25:57,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:25:57,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:25:57,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:25:57,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:25:57,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:22:56" (3/4) ... [2022-12-13 16:25:57,568 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:25:57,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:25:57,568 INFO L158 Benchmark]: Toolchain (without parser) took 181938.75ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 92.8MB in the beginning and 124.7MB in the end (delta: -32.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-13 16:25:57,568 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:57,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.56ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 79.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:25:57,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.51ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:25:57,568 INFO L158 Benchmark]: Boogie Preprocessor took 28.46ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:57,569 INFO L158 Benchmark]: RCFGBuilder took 466.19ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 53.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 16:25:57,569 INFO L158 Benchmark]: TraceAbstraction took 181183.20ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 52.6MB in the beginning and 124.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:57,569 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 182.5MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:57,569 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 132.1MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.56ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 79.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.51ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.46ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.19ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 53.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 181183.20ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 52.6MB in the beginning and 124.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 182.5MB. Free memory is still 124.7MB. There was no memory consumed. 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 - UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 76, overapproximation of bitwiseAnd at line 171. Possible FailurePath: [L221] unsigned int a ; [L222] unsigned int ma = __VERIFIER_nondet_uint(); [L223] signed char ea = __VERIFIER_nondet_char(); [L224] unsigned int b ; [L225] unsigned int mb = __VERIFIER_nondet_uint(); [L226] signed char eb = __VERIFIER_nondet_char(); [L227] unsigned int r_mul ; [L228] unsigned int zero ; [L229] unsigned int one ; [L230] int sb ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; [L234] int __retres16 ; VAL [ea=-127, eb=-128] [L238] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, __retres4=0, e=0, m=0] [L238] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=-127, eb=-128] [L238] zero = base2flt(0, 0) [L239] CALL, EXPR base2flt(1, 0) VAL [\old(e)=0, \old(m)=1] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=1, e=0, m=1] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=1, e=0, m=1] [L35] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=0, m=1] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=0, m=1] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=0, m=1] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-1, m=2] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-1, m=2] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-1, m=2] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-1, m=2] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-2, m=4] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-2, m=4] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-2, m=4] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-2, m=4] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-3, m=8] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-3, m=8] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-3, m=8] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-3, m=8] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-4, m=16] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-4, m=16] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-4, m=16] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-4, m=16] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-5, m=32] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-5, m=32] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-5, m=32] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-5, m=32] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-6, m=64] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-6, m=64] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-6, m=64] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-6, m=64] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-7, m=128] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-7, m=128] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-7, m=128] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-7, m=128] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-8, m=256] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-8, m=256] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-8, m=256] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-8, m=256] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-9, m=512] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-9, m=512] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-9, m=512] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-9, m=512] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-10, m=1024] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-10, m=1024] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-10, m=1024] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-10, m=1024] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-11, m=2048] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-11, m=2048] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-11, m=2048] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-11, m=2048] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-12, m=4096] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-12, m=4096] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-12, m=4096] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-12, m=4096] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-13, m=8192] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-13, m=8192] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-13, m=8192] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-13, m=8192] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-14, m=16384] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-14, m=16384] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-14, m=16384] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-14, m=16384] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-15, m=32768] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-15, m=32768] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-15, m=32768] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-15, m=32768] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-16, m=65536] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-16, m=65536] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-16, m=65536] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-16, m=65536] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-17, m=131072] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-17, m=131072] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-17, m=131072] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-17, m=131072] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-18, m=262144] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-18, m=262144] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-18, m=262144] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-18, m=262144] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-19, m=524288] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-19, m=524288] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-19, m=524288] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-19, m=524288] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-20, m=1048576] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-21, m=2097152] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-22, m=4194304] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608] [L47] COND TRUE m < 1U << 24U VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608] [L37] COND TRUE 1 VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608] [L39] COND FALSE !(e <= -128) VAL [\old(e)=0, \old(m)=1, e=-23, m=8388608] [L45] EXPR e - 1 [L45] e = e - 1 [L46] m = m << 1U VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216] [L47] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=1, e=-24, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=1, e=-24, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=1, e=-24, m=0] [L77] res = m | ((unsigned int )(e + 128) << 24U) [L78] __retres4 = res VAL [\old(e)=0, \old(m)=1, __retres4=1744830464, e=-24, m=0, res=1744830464] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=1, \result=1744830464, __retres4=1744830464, e=-24, m=0, res=1744830464] [L239] RET, EXPR base2flt(1, 0) VAL [base2flt(1, 0)=1744830464, ea=-127, eb=-128, zero=0] [L239] one = base2flt(1, 0) [L240] CALL, EXPR base2flt(ma, ea) VAL [\old(e)=-127, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=0] [L77] EXPR e + 128 VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=0] [L77] res = m | ((unsigned int )(e + 128) << 24U) [L78] __retres4 = res VAL [\old(e)=-127, \old(m)=16777216, __retres4=16777216, e=-127, m=0, res=16777216] [L80] return (__retres4); VAL [\old(e)=-127, \old(m)=16777216, \result=16777216, __retres4=16777216, e=-127, m=0, res=16777216] [L240] RET, EXPR base2flt(ma, ea) VAL [base2flt(ma, ea)=16777216, ea=-127, eb=-128, ma=16777216, one=1744830464, zero=0] [L240] a = base2flt(ma, ea) [L241] CALL, EXPR base2flt(mb, eb) VAL [\old(e)=-128, \old(m)=16777217] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L29] COND FALSE !(! m) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L57] COND TRUE 1 VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L77] EXPR e + 128 VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L77] res = m | ((unsigned int )(e + 128) << 24U) [L78] __retres4 = res VAL [\old(e)=-128, \old(m)=16777217, __retres4=16777217, e=-128, m=16777217, res=16777217] [L80] return (__retres4); VAL [\old(e)=-128, \old(m)=16777217, \result=36028797035741185, __retres4=16777217, e=-128, m=16777217, res=16777217] [L241] RET, EXPR base2flt(mb, eb) VAL [a=16777216, base2flt(mb, eb)=36028797035741185, ea=-127, eb=-128, ma=16777216, mb=16777217, one=1744830464, zero=0] [L241] b = base2flt(mb, eb) [L242] CALL mulflt(a, b) [L148] unsigned int res ; [L149] unsigned int ma ; [L150] unsigned int mb ; [L151] unsigned long long accu ; [L152] int ea ; [L153] int eb ; [L154] unsigned int tmp ; [L155] unsigned int __retres10 ; VAL [\old(a)=16777216, \old(b)=16777217, a=16777216, b=16777217] [L158] COND TRUE a < b [L159] tmp = a [L160] a = b [L161] b = tmp VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, tmp=16777216] [L165] COND FALSE !(! b) VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, tmp=16777216] [L171] ma = a & ((1U << 24U) - 1U) VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, ma=0, tmp=16777216] [L172] (int )(a >> 24U) - 128 VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, ma=0, tmp=16777216] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 172]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 177]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 178]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 201]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 214]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 109 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 181.1s, OverallIterations: 31, TraceHistogramMax: 24, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 162.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 8667 SdHoareTripleChecker+Valid, 19.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8633 mSDsluCounter, 29967 SdHoareTripleChecker+Invalid, 17.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26477 mSDsCounter, 553 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14560 IncrementalHoareTripleChecker+Invalid, 15116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 553 mSolverCounterUnsat, 3490 mSDtfsCounter, 14560 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3791 GetRequests, 3114 SyntacticMatches, 4 SemanticMatches, 673 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5894 ImplicationChecksByTransitivity, 146.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=30, InterpolantAutomatonStates: 488, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 30 MinimizatonAttempts, 5883 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 4176 NumberOfCodeBlocks, 4118 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 5187 ConstructedInterpolants, 0 QuantifiedInterpolants, 20675 SizeOfPredicates, 78 NumberOfNonLiveVariables, 4379 ConjunctsInSsa, 359 ConjunctsInUnsatCore, 64 InterpolantComputations, 18 PerfectInterpolantSequences, 9156/17048 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 16:25:57,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/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_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/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 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 --- 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 16:25:59,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:25:59,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:25:59,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:25:59,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:25:59,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:25:59,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:25:59,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:25:59,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:25:59,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:25:59,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:25:59,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:25:59,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:25:59,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:25:59,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:25:59,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:25:59,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:25:59,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:25:59,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:25:59,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:25:59,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:25:59,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:25:59,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:25:59,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:25:59,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:25:59,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:25:59,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:25:59,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:25:59,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:25:59,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:25:59,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:25:59,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:25:59,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:25:59,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:25:59,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:25:59,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:25:59,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:25:59,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:25:59,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:25:59,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:25:59,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:25:59,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-12-13 16:25:59,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:25:59,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:25:59,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:25:59,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:25:59,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:25:59,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:25:59,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:25:59,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:25:59,185 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:25:59,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:25:59,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:25:59,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:25:59,186 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:25:59,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:25:59,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:25:59,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:25:59,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:25:59,189 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:25:59,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:25:59,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:25:59,189 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:25:59,189 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_16c0dec5-8975-4114-9d04-461a13a6be83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 [2022-12-13 16:25:59,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:25:59,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:25:59,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:25:59,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:25:59,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:25:59,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2022-12-13 16:26:02,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:26:02,265 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:26:02,266 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2022-12-13 16:26:02,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/8fb9ba1f5/d744d00b94774ed181fae159d5fc5c81/FLAGf04650450 [2022-12-13 16:26:02,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/data/8fb9ba1f5/d744d00b94774ed181fae159d5fc5c81 [2022-12-13 16:26:02,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:26:02,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:26:02,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:26:02,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:26:02,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:26:02,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2729c4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02, skipping insertion in model container [2022-12-13 16:26:02,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:26:02,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:26:02,427 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_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c[728,741] [2022-12-13 16:26:02,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:26:02,469 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:26:02,478 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_16c0dec5-8975-4114-9d04-461a13a6be83/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c[728,741] [2022-12-13 16:26:02,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:26:02,507 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:26:02,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02 WrapperNode [2022-12-13 16:26:02,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:26:02,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:26:02,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:26:02,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:26:02,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,537 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2022-12-13 16:26:02,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:26:02,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:26:02,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:26:02,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:26:02,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,557 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:26:02,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:26:02,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:26:02,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:26:02,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (1/1) ... [2022-12-13 16:26:02,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:26:02,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:26:02,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:26:02,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:26:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:26:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:26:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-12-13 16:26:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-12-13 16:26:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:26:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:26:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 16:26:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 16:26:02,696 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:26:02,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:26:03,033 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:26:03,038 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:26:03,038 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:26:03,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:26:03 BoogieIcfgContainer [2022-12-13 16:26:03,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:26:03,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:26:03,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:26:03,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:26:03,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:26:02" (1/3) ... [2022-12-13 16:26:03,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b13e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:26:03, skipping insertion in model container [2022-12-13 16:26:03,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:02" (2/3) ... [2022-12-13 16:26:03,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b13e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:26:03, skipping insertion in model container [2022-12-13 16:26:03,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:26:03" (3/3) ... [2022-12-13 16:26:03,046 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_3a.c.cil.c [2022-12-13 16:26:03,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:26:03,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-13 16:26:03,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:26:03,101 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;@1110b518, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:26:03,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-12-13 16:26:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 79 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 16:26:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 16:26:03,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:03,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:03,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1033814779, now seen corresponding path program 1 times [2022-12-13 16:26:03,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:03,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295617662] [2022-12-13 16:26:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:03,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:03,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:03,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:03,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:26:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:03,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:26:03,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:03,204 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 16:26:03,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:26:03,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:03,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295617662] [2022-12-13 16:26:03,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295617662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:26:03,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:26:03,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:26:03,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659209994] [2022-12-13 16:26:03,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:26:03,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:26:03,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:03,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:26:03,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:26:03,239 INFO L87 Difference]: Start difference. First operand has 86 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 79 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:26:03,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:03,272 INFO L93 Difference]: Finished difference Result 159 states and 223 transitions. [2022-12-13 16:26:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:26:03,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-13 16:26:03,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:03,280 INFO L225 Difference]: With dead ends: 159 [2022-12-13 16:26:03,280 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 16:26:03,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 16:26:03,285 INFO L413 NwaCegarLoop]: 96 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, 96 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 16:26:03,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:26:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 16:26:03,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 16:26:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 51 states have internal predecessors, (59), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2022-12-13 16:26:03,314 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 9 [2022-12-13 16:26:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:03,314 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2022-12-13 16:26:03,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:26:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-12-13 16:26:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 16:26:03,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:03,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:03,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:26:03,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:03,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:03,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:03,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1034756045, now seen corresponding path program 1 times [2022-12-13 16:26:03,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:03,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847917890] [2022-12-13 16:26:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:03,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:03,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 16:26:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:03,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:26:03,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:03,593 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 16:26:03,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:26:03,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:03,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847917890] [2022-12-13 16:26:03,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847917890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:26:03,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:26:03,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:26:03,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806351908] [2022-12-13 16:26:03,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:26:03,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:26:03,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:03,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:26:03,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:26:03,596 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:26:03,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:03,647 INFO L93 Difference]: Finished difference Result 119 states and 141 transitions. [2022-12-13 16:26:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:26:03,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-13 16:26:03,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:03,649 INFO L225 Difference]: With dead ends: 119 [2022-12-13 16:26:03,649 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 16:26:03,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 16:26:03,650 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 9 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:03,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 178 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:26:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 16:26:03,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2022-12-13 16:26:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.3125) internal successors, (63), 55 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2022-12-13 16:26:03,658 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 9 [2022-12-13 16:26:03,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:03,658 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2022-12-13 16:26:03,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:26:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-12-13 16:26:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 16:26:03,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:03,659 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:03,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 16:26:03,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:03,861 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:03,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:03,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1755996823, now seen corresponding path program 1 times [2022-12-13 16:26:03,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:03,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231838206] [2022-12-13 16:26:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:03,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:03,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:03,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:03,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 16:26:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:03,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:26:03,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:03,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:26:03,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:03,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231838206] [2022-12-13 16:26:03,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231838206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:26:03,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:26:03,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:26:03,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497396016] [2022-12-13 16:26:03,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:26:03,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:26:03,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:03,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:26:03,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:26:03,983 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:04,063 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2022-12-13 16:26:04,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:26:04,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-13 16:26:04,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:04,065 INFO L225 Difference]: With dead ends: 151 [2022-12-13 16:26:04,066 INFO L226 Difference]: Without dead ends: 99 [2022-12-13 16:26:04,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 16:26:04,067 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 55 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:04,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 169 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:26:04,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-13 16:26:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2022-12-13 16:26:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 84 states have internal predecessors, (102), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions. [2022-12-13 16:26:04,081 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 16 [2022-12-13 16:26:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:04,081 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 110 transitions. [2022-12-13 16:26:04,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2022-12-13 16:26:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 16:26:04,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:04,082 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:04,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 16:26:04,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:04,285 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:04,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:04,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1427259253, now seen corresponding path program 1 times [2022-12-13 16:26:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:04,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944843862] [2022-12-13 16:26:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:04,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:04,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:04,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:04,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 16:26:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:04,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:26:04,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:04,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:26:04,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:04,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944843862] [2022-12-13 16:26:04,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944843862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:26:04,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:26:04,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:26:04,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915157762] [2022-12-13 16:26:04,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:26:04,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:26:04,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:26:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:26:04,492 INFO L87 Difference]: Start difference. First operand 92 states and 110 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:04,566 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2022-12-13 16:26:04,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:26:04,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-12-13 16:26:04,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:04,568 INFO L225 Difference]: With dead ends: 162 [2022-12-13 16:26:04,568 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 16:26:04,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:26:04,570 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 38 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:04,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 238 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:26:04,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 16:26:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 81. [2022-12-13 16:26:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 73 states have internal predecessors, (85), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2022-12-13 16:26:04,581 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 21 [2022-12-13 16:26:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:04,581 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2022-12-13 16:26:04,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2022-12-13 16:26:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 16:26:04,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:04,582 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:04,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 16:26:04,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:04,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:04,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:04,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1427150149, now seen corresponding path program 1 times [2022-12-13 16:26:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:04,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520115630] [2022-12-13 16:26:04,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:04,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:04,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:04,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 16:26:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:04,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:26:04,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:04,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:05,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:05,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520115630] [2022-12-13 16:26:05,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520115630] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:05,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:05,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-12-13 16:26:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471857305] [2022-12-13 16:26:05,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:05,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:26:05,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:05,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:26:05,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:26:05,017 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:05,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:05,477 INFO L93 Difference]: Finished difference Result 173 states and 209 transitions. [2022-12-13 16:26:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 16:26:05,478 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-12-13 16:26:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:05,479 INFO L225 Difference]: With dead ends: 173 [2022-12-13 16:26:05,479 INFO L226 Difference]: Without dead ends: 118 [2022-12-13 16:26:05,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-12-13 16:26:05,481 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 186 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:05,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 271 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 16:26:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-13 16:26:05,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 82. [2022-12-13 16:26:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.25) internal successors, (85), 74 states have internal predecessors, (85), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2022-12-13 16:26:05,497 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 21 [2022-12-13 16:26:05,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:05,497 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2022-12-13 16:26:05,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2022-12-13 16:26:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 16:26:05,499 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:05,499 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:05,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 16:26:05,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:05,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:05,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:05,703 INFO L85 PathProgramCache]: Analyzing trace with hash 268685593, now seen corresponding path program 1 times [2022-12-13 16:26:05,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:05,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568020966] [2022-12-13 16:26:05,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:05,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:05,706 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:05,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 16:26:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:05,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:26:05,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:05,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:05,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:05,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568020966] [2022-12-13 16:26:05,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568020966] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:05,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:05,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 16:26:05,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070841527] [2022-12-13 16:26:05,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:05,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 16:26:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:05,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 16:26:05,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:26:05,871 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:06,102 INFO L93 Difference]: Finished difference Result 176 states and 204 transitions. [2022-12-13 16:26:06,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:26:06,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-13 16:26:06,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:06,103 INFO L225 Difference]: With dead ends: 176 [2022-12-13 16:26:06,103 INFO L226 Difference]: Without dead ends: 119 [2022-12-13 16:26:06,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-12-13 16:26:06,105 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 141 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:06,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 474 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:26:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-12-13 16:26:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 100. [2022-12-13 16:26:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 92 states have internal predecessors, (106), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2022-12-13 16:26:06,119 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 26 [2022-12-13 16:26:06,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:06,119 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2022-12-13 16:26:06,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2022-12-13 16:26:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 16:26:06,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:06,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:06,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 16:26:06,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:06,321 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1743264717, now seen corresponding path program 1 times [2022-12-13 16:26:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:06,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41389877] [2022-12-13 16:26:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:06,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:06,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:06,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:06,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 16:26:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:06,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:26:06,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:06,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:06,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:06,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41389877] [2022-12-13 16:26:06,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41389877] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:06,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:06,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 16:26:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969908994] [2022-12-13 16:26:06,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:06,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 16:26:06,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:06,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 16:26:06,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:26:06,668 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:07,160 INFO L93 Difference]: Finished difference Result 243 states and 292 transitions. [2022-12-13 16:26:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 16:26:07,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 16:26:07,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:07,162 INFO L225 Difference]: With dead ends: 243 [2022-12-13 16:26:07,162 INFO L226 Difference]: Without dead ends: 186 [2022-12-13 16:26:07,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:26:07,164 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 114 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:07,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 348 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 16:26:07,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-12-13 16:26:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 102. [2022-12-13 16:26:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 94 states have internal predecessors, (105), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2022-12-13 16:26:07,183 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 38 [2022-12-13 16:26:07,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:07,183 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2022-12-13 16:26:07,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2022-12-13 16:26:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 16:26:07,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:07,184 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:07,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 16:26:07,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:07,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:07,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash 171656217, now seen corresponding path program 2 times [2022-12-13 16:26:07,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:07,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031161076] [2022-12-13 16:26:07,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:26:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:07,389 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 16:26:07,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:26:07,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:26:07,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 16:26:07,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:07,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:07,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:07,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031161076] [2022-12-13 16:26:07,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031161076] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:07,842 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:07,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2022-12-13 16:26:07,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118807897] [2022-12-13 16:26:07,842 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:07,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 16:26:07,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:07,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 16:26:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-12-13 16:26:07,844 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:08,467 INFO L93 Difference]: Finished difference Result 234 states and 272 transitions. [2022-12-13 16:26:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 16:26:08,467 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-12-13 16:26:08,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:08,468 INFO L225 Difference]: With dead ends: 234 [2022-12-13 16:26:08,469 INFO L226 Difference]: Without dead ends: 177 [2022-12-13 16:26:08,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=383, Invalid=949, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 16:26:08,470 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 320 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:08,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 814 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:26:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-12-13 16:26:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 140. [2022-12-13 16:26:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 126 states have (on average 1.1904761904761905) internal successors, (150), 132 states have internal predecessors, (150), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 158 transitions. [2022-12-13 16:26:08,487 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 158 transitions. Word has length 46 [2022-12-13 16:26:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:08,488 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 158 transitions. [2022-12-13 16:26:08,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 158 transitions. [2022-12-13 16:26:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 16:26:08,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:08,489 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:08,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 16:26:08,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:08,690 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:08,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1551167795, now seen corresponding path program 2 times [2022-12-13 16:26:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:08,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406553204] [2022-12-13 16:26:08,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:26:08,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:08,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:08,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 16:26:08,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 16:26:08,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:26:08,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:26:08,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 16:26:08,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:26:08,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:08,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406553204] [2022-12-13 16:26:08,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406553204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:26:08,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:26:08,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:26:08,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909520553] [2022-12-13 16:26:08,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:26:08,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:26:08,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:08,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:26:08,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:26:08,733 INFO L87 Difference]: Start difference. First operand 140 states and 158 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:26:08,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:08,764 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2022-12-13 16:26:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:26:08,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58 [2022-12-13 16:26:08,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:08,765 INFO L225 Difference]: With dead ends: 146 [2022-12-13 16:26:08,765 INFO L226 Difference]: Without dead ends: 145 [2022-12-13 16:26:08,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 16:26:08,766 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:08,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:26:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-13 16:26:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2022-12-13 16:26:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 126 states have (on average 1.1825396825396826) internal successors, (149), 131 states have internal predecessors, (149), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 157 transitions. [2022-12-13 16:26:08,777 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 157 transitions. Word has length 58 [2022-12-13 16:26:08,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:08,778 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 157 transitions. [2022-12-13 16:26:08,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:26:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 157 transitions. [2022-12-13 16:26:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 16:26:08,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:08,779 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:08,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-12-13 16:26:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:08,981 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1551100269, now seen corresponding path program 1 times [2022-12-13 16:26:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881633091] [2022-12-13 16:26:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:26:08,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:08,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:08,987 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 16:26:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:26:09,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:26:09,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:09,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 9 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:09,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:09,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881633091] [2022-12-13 16:26:09,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881633091] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:09,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:09,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-12-13 16:26:09,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413725412] [2022-12-13 16:26:09,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:09,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 16:26:09,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:09,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 16:26:09,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:26:09,749 INFO L87 Difference]: Start difference. First operand 139 states and 157 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:11,247 INFO L93 Difference]: Finished difference Result 384 states and 469 transitions. [2022-12-13 16:26:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 16:26:11,247 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2022-12-13 16:26:11,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:11,249 INFO L225 Difference]: With dead ends: 384 [2022-12-13 16:26:11,249 INFO L226 Difference]: Without dead ends: 328 [2022-12-13 16:26:11,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=343, Invalid=649, Unknown=0, NotChecked=0, Total=992 [2022-12-13 16:26:11,250 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 367 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:11,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 788 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 16:26:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-12-13 16:26:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 141. [2022-12-13 16:26:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.125) internal successors, (144), 133 states have internal predecessors, (144), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 152 transitions. [2022-12-13 16:26:11,266 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 152 transitions. Word has length 58 [2022-12-13 16:26:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:11,266 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 152 transitions. [2022-12-13 16:26:11,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2022-12-13 16:26:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 16:26:11,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:11,267 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:11,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 16:26:11,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:11,469 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:11,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:11,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1547458023, now seen corresponding path program 3 times [2022-12-13 16:26:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:11,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499555986] [2022-12-13 16:26:11,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 16:26:11,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:11,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:11,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 16:26:11,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-12-13 16:26:11,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:26:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 16:26:11,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 2 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:11,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 2 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:12,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:12,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499555986] [2022-12-13 16:26:12,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499555986] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:12,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:12,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2022-12-13 16:26:12,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12100982] [2022-12-13 16:26:12,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:12,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-13 16:26:12,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:12,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-13 16:26:12,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=886, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 16:26:12,565 INFO L87 Difference]: Start difference. First operand 141 states and 152 transitions. Second operand has 35 states, 35 states have (on average 4.457142857142857) internal successors, (156), 33 states have internal predecessors, (156), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:18,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:18,313 INFO L93 Difference]: Finished difference Result 487 states and 585 transitions. [2022-12-13 16:26:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-12-13 16:26:18,313 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.457142857142857) internal successors, (156), 33 states have internal predecessors, (156), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2022-12-13 16:26:18,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:18,315 INFO L225 Difference]: With dead ends: 487 [2022-12-13 16:26:18,315 INFO L226 Difference]: Without dead ends: 431 [2022-12-13 16:26:18,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2296 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2711, Invalid=7189, Unknown=0, NotChecked=0, Total=9900 [2022-12-13 16:26:18,318 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 728 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:18,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 2993 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1671 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 16:26:18,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-12-13 16:26:18,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 219. [2022-12-13 16:26:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 206 states have (on average 1.1553398058252426) internal successors, (238), 211 states have internal predecessors, (238), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 246 transitions. [2022-12-13 16:26:18,339 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 246 transitions. Word has length 86 [2022-12-13 16:26:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:18,339 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 246 transitions. [2022-12-13 16:26:18,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.457142857142857) internal successors, (156), 33 states have internal predecessors, (156), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:26:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 246 transitions. [2022-12-13 16:26:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 16:26:18,340 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:18,341 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:18,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 16:26:18,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:18,541 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:18,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1705737363, now seen corresponding path program 2 times [2022-12-13 16:26:18,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:18,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153135721] [2022-12-13 16:26:18,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:26:18,542 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:18,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:18,543 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:18,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 16:26:18,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:26:18,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:26:18,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 16:26:18,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 9 proven. 483 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:19,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 9 proven. 483 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:26:20,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:20,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153135721] [2022-12-13 16:26:20,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153135721] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:20,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:20,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2022-12-13 16:26:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081655221] [2022-12-13 16:26:20,767 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:20,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-13 16:26:20,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:20,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 16:26:20,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 16:26:20,768 INFO L87 Difference]: Start difference. First operand 219 states and 246 transitions. Second operand has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:26:27,646 INFO L93 Difference]: Finished difference Result 678 states and 837 transitions. [2022-12-13 16:26:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 16:26:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 98 [2022-12-13 16:26:27,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:26:27,649 INFO L225 Difference]: With dead ends: 678 [2022-12-13 16:26:27,649 INFO L226 Difference]: Without dead ends: 622 [2022-12-13 16:26:27,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1327, Invalid=2705, Unknown=0, NotChecked=0, Total=4032 [2022-12-13 16:26:27,650 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 764 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 16:26:27,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2417 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 16:26:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2022-12-13 16:26:27,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 221. [2022-12-13 16:26:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 208 states have (on average 1.0817307692307692) internal successors, (225), 213 states have internal predecessors, (225), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:26:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 233 transitions. [2022-12-13 16:26:27,677 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 233 transitions. Word has length 98 [2022-12-13 16:26:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:26:27,678 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 233 transitions. [2022-12-13 16:26:27,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:26:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 233 transitions. [2022-12-13 16:26:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-13 16:26:27,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:26:27,679 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:26:27,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 16:26:27,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:27,880 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:26:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:26:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash 429521305, now seen corresponding path program 4 times [2022-12-13 16:26:27,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:26:27,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241518139] [2022-12-13 16:26:27,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 16:26:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:26:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:26:27,886 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:26:27,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 16:26:28,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 16:26:28,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:26:28,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 16:26:28,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:26:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 2 proven. 1380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:28,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:26:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 2 proven. 1380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:26:30,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:26:30,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241518139] [2022-12-13 16:26:30,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241518139] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:26:30,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:26:30,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 53 [2022-12-13 16:26:30,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918805781] [2022-12-13 16:26:30,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:26:30,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-12-13 16:26:30,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:26:30,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-12-13 16:26:30,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=731, Invalid=2131, Unknown=0, NotChecked=0, Total=2862 [2022-12-13 16:26:30,968 INFO L87 Difference]: Start difference. First operand 221 states and 233 transitions. Second operand has 54 states, 53 states have (on average 4.886792452830188) internal successors, (259), 52 states have internal predecessors, (259), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:27:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:10,636 INFO L93 Difference]: Finished difference Result 457 states and 523 transitions. [2022-12-13 16:27:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-12-13 16:27:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 4.886792452830188) internal successors, (259), 52 states have internal predecessors, (259), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-12-13 16:27:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:10,639 INFO L225 Difference]: With dead ends: 457 [2022-12-13 16:27:10,640 INFO L226 Difference]: Without dead ends: 456 [2022-12-13 16:27:10,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2112 ImplicationChecksByTransitivity, 38.0s TimeCoverageRelationStatistics Valid=4535, Invalid=12235, Unknown=0, NotChecked=0, Total=16770 [2022-12-13 16:27:10,642 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 878 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 3979 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:10,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 4140 Invalid, 4129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3979 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 16:27:10,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-12-13 16:27:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 339. [2022-12-13 16:27:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 326 states have (on average 1.1901840490797546) internal successors, (388), 331 states have internal predecessors, (388), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:27:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 396 transitions. [2022-12-13 16:27:10,709 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 396 transitions. Word has length 136 [2022-12-13 16:27:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 396 transitions. [2022-12-13 16:27:10,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 4.886792452830188) internal successors, (259), 52 states have internal predecessors, (259), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:27:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 396 transitions. [2022-12-13 16:27:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 16:27:10,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:10,711 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:10,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:10,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:10,912 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:10,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:10,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2109656538, now seen corresponding path program 1 times [2022-12-13 16:27:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:10,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229988494] [2022-12-13 16:27:10,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:10,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:10,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:10,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:10,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 16:27:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:11,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:27:11,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1385 trivial. 0 not checked. [2022-12-13 16:27:11,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:11,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:11,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229988494] [2022-12-13 16:27:11,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229988494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:11,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:11,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:27:11,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348973530] [2022-12-13 16:27:11,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:11,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:27:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:27:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:27:11,077 INFO L87 Difference]: Start difference. First operand 339 states and 396 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:27:11,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:11,505 INFO L93 Difference]: Finished difference Result 351 states and 411 transitions. [2022-12-13 16:27:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:27:11,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 149 [2022-12-13 16:27:11,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:11,507 INFO L225 Difference]: With dead ends: 351 [2022-12-13 16:27:11,507 INFO L226 Difference]: Without dead ends: 350 [2022-12-13 16:27:11,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 16:27:11,508 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 52 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:11,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 130 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 16:27:11,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-12-13 16:27:11,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 341. [2022-12-13 16:27:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 328 states have (on average 1.1920731707317074) internal successors, (391), 333 states have internal predecessors, (391), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:27:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 399 transitions. [2022-12-13 16:27:11,568 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 399 transitions. Word has length 149 [2022-12-13 16:27:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:11,568 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 399 transitions. [2022-12-13 16:27:11,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:27:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 399 transitions. [2022-12-13 16:27:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-13 16:27:11,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:11,569 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 23, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:11,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-13 16:27:11,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:11,770 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash -679741690, now seen corresponding path program 1 times [2022-12-13 16:27:11,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:11,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816137230] [2022-12-13 16:27:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:11,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:11,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:11,771 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:11,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 16:27:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:11,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:27:11,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 1385 trivial. 0 not checked. [2022-12-13 16:27:12,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:12,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:12,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816137230] [2022-12-13 16:27:12,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816137230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:12,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:12,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:27:12,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410987666] [2022-12-13 16:27:12,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:12,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:27:12,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:12,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:27:12,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:27:12,466 INFO L87 Difference]: Start difference. First operand 341 states and 399 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:27:14,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:14,891 INFO L93 Difference]: Finished difference Result 356 states and 418 transitions. [2022-12-13 16:27:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:27:14,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 152 [2022-12-13 16:27:14,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:14,894 INFO L225 Difference]: With dead ends: 356 [2022-12-13 16:27:14,894 INFO L226 Difference]: Without dead ends: 355 [2022-12-13 16:27:14,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:27:14,894 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 60 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:14,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 195 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 16:27:14,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-12-13 16:27:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 220. [2022-12-13 16:27:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 208 states have (on average 1.0721153846153846) internal successors, (223), 212 states have internal predecessors, (223), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:27:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 231 transitions. [2022-12-13 16:27:14,925 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 231 transitions. Word has length 152 [2022-12-13 16:27:14,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:14,925 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 231 transitions. [2022-12-13 16:27:14,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:27:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 231 transitions. [2022-12-13 16:27:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 16:27:14,926 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:14,927 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 1, 1, 1, 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 16:27:14,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 16:27:15,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:15,128 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:15,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:15,128 INFO L85 PathProgramCache]: Analyzing trace with hash 765853977, now seen corresponding path program 1 times [2022-12-13 16:27:15,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:15,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215388420] [2022-12-13 16:27:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:15,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:15,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:15,132 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:15,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 16:27:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:15,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:27:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2022-12-13 16:27:15,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:15,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:15,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215388420] [2022-12-13 16:27:15,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215388420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:15,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:15,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:27:15,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635606276] [2022-12-13 16:27:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:15,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:27:15,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:15,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:27:15,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:27:15,287 INFO L87 Difference]: Start difference. First operand 220 states and 231 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:15,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:15,359 INFO L93 Difference]: Finished difference Result 253 states and 266 transitions. [2022-12-13 16:27:15,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:27:15,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 161 [2022-12-13 16:27:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:15,361 INFO L225 Difference]: With dead ends: 253 [2022-12-13 16:27:15,361 INFO L226 Difference]: Without dead ends: 226 [2022-12-13 16:27:15,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:27:15,361 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 3 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:15,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 295 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:27:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-12-13 16:27:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2022-12-13 16:27:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 210 states have (on average 1.0714285714285714) internal successors, (225), 215 states have internal predecessors, (225), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 16:27:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 234 transitions. [2022-12-13 16:27:15,393 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 234 transitions. Word has length 161 [2022-12-13 16:27:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:15,393 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 234 transitions. [2022-12-13 16:27:15,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 234 transitions. [2022-12-13 16:27:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 16:27:15,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:15,395 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 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] [2022-12-13 16:27:15,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-13 16:27:15,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:15,596 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:15,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash 765465224, now seen corresponding path program 1 times [2022-12-13 16:27:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:15,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480909231] [2022-12-13 16:27:15,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:15,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:15,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 16:27:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:15,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 16:27:15,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1411 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-13 16:27:15,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:27:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1411 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-13 16:27:15,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:15,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480909231] [2022-12-13 16:27:15,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480909231] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:27:15,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:27:15,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-12-13 16:27:15,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455879420] [2022-12-13 16:27:15,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:27:15,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:27:15,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:15,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:27:15,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:27:15,822 INFO L87 Difference]: Start difference. First operand 223 states and 234 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:15,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:15,916 INFO L93 Difference]: Finished difference Result 255 states and 268 transitions. [2022-12-13 16:27:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:27:15,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 165 [2022-12-13 16:27:15,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:15,918 INFO L225 Difference]: With dead ends: 255 [2022-12-13 16:27:15,918 INFO L226 Difference]: Without dead ends: 223 [2022-12-13 16:27:15,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:27:15,919 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 6 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:15,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 423 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:27:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-12-13 16:27:15,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2022-12-13 16:27:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 208 states have (on average 1.0625) internal successors, (221), 212 states have internal predecessors, (221), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:27:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 229 transitions. [2022-12-13 16:27:15,949 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 229 transitions. Word has length 165 [2022-12-13 16:27:15,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:15,950 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 229 transitions. [2022-12-13 16:27:15,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 229 transitions. [2022-12-13 16:27:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 16:27:15,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:15,951 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:15,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-13 16:27:16,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:16,151 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash -644702791, now seen corresponding path program 2 times [2022-12-13 16:27:16,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:16,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298023247] [2022-12-13 16:27:16,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:27:16,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:16,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:16,153 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-13 16:27:16,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 16:27:16,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:27:16,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:27:16,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2022-12-13 16:27:16,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:16,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:16,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298023247] [2022-12-13 16:27:16,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298023247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:16,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:16,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:27:16,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647666595] [2022-12-13 16:27:16,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:16,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:27:16,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:16,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:27:16,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:27:16,221 INFO L87 Difference]: Start difference. First operand 220 states and 229 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:16,372 INFO L93 Difference]: Finished difference Result 220 states and 229 transitions. [2022-12-13 16:27:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:27:16,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 169 [2022-12-13 16:27:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:16,373 INFO L225 Difference]: With dead ends: 220 [2022-12-13 16:27:16,373 INFO L226 Difference]: Without dead ends: 218 [2022-12-13 16:27:16,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 166 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 16:27:16,374 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:16,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 151 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:27:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-12-13 16:27:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-12-13 16:27:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 208 states have (on average 1.0528846153846154) internal successors, (219), 210 states have internal predecessors, (219), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 16:27:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 227 transitions. [2022-12-13 16:27:16,401 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 227 transitions. Word has length 169 [2022-12-13 16:27:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:16,402 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 227 transitions. [2022-12-13 16:27:16,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 227 transitions. [2022-12-13 16:27:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 16:27:16,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:16,403 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:16,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-13 16:27:16,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:16,604 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:16,605 INFO L85 PathProgramCache]: Analyzing trace with hash 753038131, now seen corresponding path program 1 times [2022-12-13 16:27:16,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:16,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483071195] [2022-12-13 16:27:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:16,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:16,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:16,609 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:16,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-12-13 16:27:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:16,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 16:27:16,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-12-13 16:27:16,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:16,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:16,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483071195] [2022-12-13 16:27:16,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483071195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:16,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:16,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 16:27:16,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290517564] [2022-12-13 16:27:16,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:16,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:27:16,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:16,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:27:16,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:27:16,818 INFO L87 Difference]: Start difference. First operand 218 states and 227 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:16,922 INFO L93 Difference]: Finished difference Result 293 states and 307 transitions. [2022-12-13 16:27:16,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 16:27:16,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 172 [2022-12-13 16:27:16,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:16,923 INFO L225 Difference]: With dead ends: 293 [2022-12-13 16:27:16,923 INFO L226 Difference]: Without dead ends: 271 [2022-12-13 16:27:16,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:27:16,923 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 74 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:16,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 401 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:27:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-12-13 16:27:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 225. [2022-12-13 16:27:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 213 states have (on average 1.051643192488263) internal successors, (224), 215 states have internal predecessors, (224), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:27:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 237 transitions. [2022-12-13 16:27:16,953 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 237 transitions. Word has length 172 [2022-12-13 16:27:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:16,953 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 237 transitions. [2022-12-13 16:27:16,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 237 transitions. [2022-12-13 16:27:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 16:27:16,954 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:16,954 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:16,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-12-13 16:27:17,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:17,154 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:17,155 INFO L85 PathProgramCache]: Analyzing trace with hash 360011121, now seen corresponding path program 1 times [2022-12-13 16:27:17,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:17,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94741313] [2022-12-13 16:27:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:17,156 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-13 16:27:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 16:27:17,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-12-13 16:27:17,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:17,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:17,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94741313] [2022-12-13 16:27:17,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94741313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:17,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:17,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 16:27:17,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81317228] [2022-12-13 16:27:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:17,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:27:17,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:17,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:27:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:27:17,337 INFO L87 Difference]: Start difference. First operand 225 states and 237 transitions. Second operand has 11 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:17,603 INFO L93 Difference]: Finished difference Result 271 states and 284 transitions. [2022-12-13 16:27:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 16:27:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 172 [2022-12-13 16:27:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:17,605 INFO L225 Difference]: With dead ends: 271 [2022-12-13 16:27:17,605 INFO L226 Difference]: Without dead ends: 270 [2022-12-13 16:27:17,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:27:17,606 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 71 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:17,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 516 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:27:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-12-13 16:27:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 234. [2022-12-13 16:27:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 222 states have (on average 1.0495495495495495) internal successors, (233), 224 states have internal predecessors, (233), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:27:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 246 transitions. [2022-12-13 16:27:17,655 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 246 transitions. Word has length 172 [2022-12-13 16:27:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:17,655 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 246 transitions. [2022-12-13 16:27:17,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 246 transitions. [2022-12-13 16:27:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 16:27:17,657 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:17,657 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:17,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-13 16:27:17,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:17,858 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:17,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:17,858 INFO L85 PathProgramCache]: Analyzing trace with hash -770221667, now seen corresponding path program 1 times [2022-12-13 16:27:17,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:17,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49153329] [2022-12-13 16:27:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:17,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:17,859 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:17,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-12-13 16:27:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:17,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 16:27:17,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-12-13 16:27:17,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:27:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-12-13 16:27:18,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49153329] [2022-12-13 16:27:18,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49153329] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 16:27:18,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:27:18,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-12-13 16:27:18,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381453075] [2022-12-13 16:27:18,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:18,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:27:18,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:18,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:27:18,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:27:18,086 INFO L87 Difference]: Start difference. First operand 234 states and 246 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:18,347 INFO L93 Difference]: Finished difference Result 238 states and 249 transitions. [2022-12-13 16:27:18,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:27:18,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 174 [2022-12-13 16:27:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:18,349 INFO L225 Difference]: With dead ends: 238 [2022-12-13 16:27:18,349 INFO L226 Difference]: Without dead ends: 236 [2022-12-13 16:27:18,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:27:18,350 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 13 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:18,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 178 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:27:18,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-12-13 16:27:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 223. [2022-12-13 16:27:18,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 213 states have (on average 1.0422535211267605) internal successors, (222), 213 states have internal predecessors, (222), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:27:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 235 transitions. [2022-12-13 16:27:18,387 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 235 transitions. Word has length 174 [2022-12-13 16:27:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:18,387 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 235 transitions. [2022-12-13 16:27:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 235 transitions. [2022-12-13 16:27:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 16:27:18,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:18,388 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:18,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-12-13 16:27:18,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:18,588 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:18,589 INFO L85 PathProgramCache]: Analyzing trace with hash 948465498, now seen corresponding path program 1 times [2022-12-13 16:27:18,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:18,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982945300] [2022-12-13 16:27:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:18,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:18,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:18,590 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:18,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-12-13 16:27:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 16:27:18,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-12-13 16:27:18,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:18,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:18,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982945300] [2022-12-13 16:27:18,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982945300] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:18,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:18,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 16:27:18,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759965525] [2022-12-13 16:27:18,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:18,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 16:27:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:18,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 16:27:18,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-12-13 16:27:18,859 INFO L87 Difference]: Start difference. First operand 223 states and 235 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:19,260 INFO L93 Difference]: Finished difference Result 265 states and 278 transitions. [2022-12-13 16:27:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 16:27:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 178 [2022-12-13 16:27:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:19,261 INFO L225 Difference]: With dead ends: 265 [2022-12-13 16:27:19,261 INFO L226 Difference]: Without dead ends: 243 [2022-12-13 16:27:19,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:27:19,262 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 45 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:19,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 622 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 16:27:19,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-12-13 16:27:19,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 221. [2022-12-13 16:27:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 211 states have (on average 1.042654028436019) internal successors, (220), 212 states have internal predecessors, (220), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-12-13 16:27:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 232 transitions. [2022-12-13 16:27:19,289 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 232 transitions. Word has length 178 [2022-12-13 16:27:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:19,289 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 232 transitions. [2022-12-13 16:27:19,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 232 transitions. [2022-12-13 16:27:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-13 16:27:19,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:19,290 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:19,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-12-13 16:27:19,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:19,491 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:19,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:19,492 INFO L85 PathProgramCache]: Analyzing trace with hash 606708358, now seen corresponding path program 1 times [2022-12-13 16:27:19,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:19,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082156863] [2022-12-13 16:27:19,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:19,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:19,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:19,496 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:19,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-12-13 16:27:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:19,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 16:27:19,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-12-13 16:27:19,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:27:19,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:19,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082156863] [2022-12-13 16:27:19,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082156863] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:27:19,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1169421206] [2022-12-13 16:27:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:19,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 16:27:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 16:27:19,987 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 16:27:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-12-13 16:27:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:20,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 16:27:20,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-12-13 16:27:20,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:27:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2022-12-13 16:27:20,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1169421206] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:27:20,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:27:20,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2022-12-13 16:27:20,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020522904] [2022-12-13 16:27:20,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:27:20,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:27:20,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:20,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:27:20,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:27:20,114 INFO L87 Difference]: Start difference. First operand 221 states and 232 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:20,208 INFO L93 Difference]: Finished difference Result 263 states and 275 transitions. [2022-12-13 16:27:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:27:20,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 180 [2022-12-13 16:27:20,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:20,210 INFO L225 Difference]: With dead ends: 263 [2022-12-13 16:27:20,210 INFO L226 Difference]: Without dead ends: 243 [2022-12-13 16:27:20,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:27:20,211 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 45 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:20,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 413 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:27:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-12-13 16:27:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 223. [2022-12-13 16:27:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 213 states have (on average 1.0422535211267605) internal successors, (222), 213 states have internal predecessors, (222), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2022-12-13 16:27:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 234 transitions. [2022-12-13 16:27:20,258 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 234 transitions. Word has length 180 [2022-12-13 16:27:20,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:20,258 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 234 transitions. [2022-12-13 16:27:20,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 16:27:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 234 transitions. [2022-12-13 16:27:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-13 16:27:20,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:20,259 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:20,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-12-13 16:27:20,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2022-12-13 16:27:20,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 16:27:20,660 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:20,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:20,661 INFO L85 PathProgramCache]: Analyzing trace with hash -414359996, now seen corresponding path program 1 times [2022-12-13 16:27:20,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:20,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2769535] [2022-12-13 16:27:20,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:20,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:20,666 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:20,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-12-13 16:27:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:20,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:27:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-12-13 16:27:20,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:20,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:20,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2769535] [2022-12-13 16:27:20,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2769535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:20,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:20,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:27:20,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996688245] [2022-12-13 16:27:20,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:20,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:27:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:20,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:27:20,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:27:20,802 INFO L87 Difference]: Start difference. First operand 223 states and 234 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:20,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:20,901 INFO L93 Difference]: Finished difference Result 227 states and 237 transitions. [2022-12-13 16:27:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:27:20,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 180 [2022-12-13 16:27:20,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:20,902 INFO L225 Difference]: With dead ends: 227 [2022-12-13 16:27:20,902 INFO L226 Difference]: Without dead ends: 223 [2022-12-13 16:27:20,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 177 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 16:27:20,903 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:20,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 96 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:27:20,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-12-13 16:27:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-12-13 16:27:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 213 states have (on average 1.0375586854460095) internal successors, (221), 213 states have internal predecessors, (221), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2022-12-13 16:27:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 233 transitions. [2022-12-13 16:27:20,932 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 233 transitions. Word has length 180 [2022-12-13 16:27:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:20,933 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 233 transitions. [2022-12-13 16:27:20,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 233 transitions. [2022-12-13 16:27:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-13 16:27:20,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:27:20,934 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:20,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:21,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:21,135 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 16:27:21,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:21,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1691487341, now seen corresponding path program 1 times [2022-12-13 16:27:21,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:27:21,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058509250] [2022-12-13 16:27:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:21,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:27:21,141 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:27:21,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-12-13 16:27:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:21,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:27:21,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-12-13 16:27:21,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:27:21,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:27:21,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058509250] [2022-12-13 16:27:21,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058509250] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:21,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:21,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:27:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529601026] [2022-12-13 16:27:21,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:21,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:27:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:27:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:27:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:27:21,279 INFO L87 Difference]: Start difference. First operand 223 states and 233 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:21,429 INFO L93 Difference]: Finished difference Result 223 states and 233 transitions. [2022-12-13 16:27:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:27:21,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2022-12-13 16:27:21,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:27:21,430 INFO L225 Difference]: With dead ends: 223 [2022-12-13 16:27:21,430 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 16:27:21,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 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 16:27:21,431 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 9 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:27:21,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 135 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:27:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 16:27:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 16:27:21,431 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 16:27:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:27:21,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2022-12-13 16:27:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:27:21,432 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:27:21,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 16:27:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:27:21,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 16:27:21,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-12-13 16:27:21,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-12-13 16:27:21,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-12-13 16:27:21,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-12-13 16:27:21,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2022-12-13 16:27:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16c0dec5-8975-4114-9d04-461a13a6be83/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:27:21,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.