./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- 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-b5237d8 [2022-11-22 02:45:07,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:45:07,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:45:07,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:45:07,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:45:07,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:45:07,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:45:07,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:45:07,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:45:07,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:45:07,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:45:07,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:45:07,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:45:07,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:45:07,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:45:07,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:45:07,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:45:07,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:45:07,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:45:07,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:45:07,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:45:07,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:45:07,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:45:07,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:45:07,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:45:07,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:45:07,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:45:07,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:45:07,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:45:07,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:45:07,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:45:07,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:45:07,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:45:07,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:45:07,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:45:07,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:45:07,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:45:07,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:45:07,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:45:07,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:45:07,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:45:07,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:45:07,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:45:07,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:45:07,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:45:07,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:45:07,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:45:07,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:45:07,971 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:45:07,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:45:07,971 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:45:07,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:45:07,973 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:45:07,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:45:07,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:45:07,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:45:07,974 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:45:07,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:45:07,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:45:07,974 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:45:07,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:45:07,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:45:07,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:45:07,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:45:07,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:45:07,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:45:07,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:45:07,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:45:07,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:45:07,977 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:45:07,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:45:07,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:45:07,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:45:07,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:45:07,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:45:07,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:45:07,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:07,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:45:07,981 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:45:07,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:45:07,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:45:07,982 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:45:07,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:45:07,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:45:07,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:45:07,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2022-11-22 02:45:08,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:45:08,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:45:08,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:45:08,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:45:08,358 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:45:08,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-22 02:45:11,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:45:11,876 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:45:11,877 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-11-22 02:45:11,905 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/data/555905204/86ae02ee1428455fac3e9e55920cf031/FLAGdb972b040 [2022-11-22 02:45:11,924 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/data/555905204/86ae02ee1428455fac3e9e55920cf031 [2022-11-22 02:45:11,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:45:11,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:45:11,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:11,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:45:11,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:45:11,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:11" (1/1) ... [2022-11-22 02:45:11,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a084ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:11, skipping insertion in model container [2022-11-22 02:45:11,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:11" (1/1) ... [2022-11-22 02:45:11,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:45:12,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:45:12,191 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:45:12,841 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_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-22 02:45:12,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:12,925 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:45:12,939 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:45:13,008 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_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-11-22 02:45:13,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:13,214 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:45:13,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13 WrapperNode [2022-11-22 02:45:13,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:13,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:13,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:45:13,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:45:13,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,301 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2022-11-22 02:45:13,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:13,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:45:13,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:45:13,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:45:13,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,338 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:45:13,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:45:13,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:45:13,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:45:13,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (1/1) ... [2022-11-22 02:45:13,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:13,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:45:13,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:45:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 02:45:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:45:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 02:45:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:45:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:45:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:45:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:45:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:45:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 02:45:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 02:45:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:45:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:45:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:45:13,437 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:45:13,819 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:45:13,822 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:45:14,201 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:45:14,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:45:14,231 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:45:14,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:14 BoogieIcfgContainer [2022-11-22 02:45:14,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:45:14,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:45:14,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:45:14,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:45:14,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:45:11" (1/3) ... [2022-11-22 02:45:14,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e99d84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:14, skipping insertion in model container [2022-11-22 02:45:14,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:13" (2/3) ... [2022-11-22 02:45:14,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e99d84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:14, skipping insertion in model container [2022-11-22 02:45:14,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:14" (3/3) ... [2022-11-22 02:45:14,245 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-11-22 02:45:14,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:45:14,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:45:14,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 02:45:14,267 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:45:14,334 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 02:45:14,371 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:45:14,389 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 184 transitions, 384 flow [2022-11-22 02:45:14,397 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 184 transitions, 384 flow [2022-11-22 02:45:14,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 184 transitions, 384 flow [2022-11-22 02:45:14,532 INFO L130 PetriNetUnfolder]: 10/227 cut-off events. [2022-11-22 02:45:14,533 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 02:45:14,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 227 events. 10/227 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 325 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 135. Up to 4 conditions per place. [2022-11-22 02:45:14,545 INFO L119 LiptonReduction]: Number of co-enabled transitions 2596 [2022-11-22 02:46:24,701 INFO L134 LiptonReduction]: Checked pairs total: 6825 [2022-11-22 02:46:24,701 INFO L136 LiptonReduction]: Total number of compositions: 214 [2022-11-22 02:46:24,710 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 29 transitions, 74 flow [2022-11-22 02:46:24,750 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 274 states, 254 states have (on average 2.625984251968504) internal successors, (667), 273 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:24,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:46:24,775 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=FINITE_AUTOMATA, 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;@422ca7fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:46:24,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 02:46:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 254 states have (on average 2.625984251968504) internal successors, (667), 273 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:46:24,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:24,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:46:24,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:24,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:24,790 INFO L85 PathProgramCache]: Analyzing trace with hash 20509233, now seen corresponding path program 1 times [2022-11-22 02:46:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:24,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45159119] [2022-11-22 02:46:24,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:24,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:25,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:25,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45159119] [2022-11-22 02:46:25,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45159119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:25,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:25,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:46:25,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133198739] [2022-11-22 02:46:25,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:25,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:46:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:26,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:46:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:46:26,008 INFO L87 Difference]: Start difference. First operand has 274 states, 254 states have (on average 2.625984251968504) internal successors, (667), 273 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:26,188 INFO L93 Difference]: Finished difference Result 316 states and 737 transitions. [2022-11-22 02:46:26,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:46:26,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 02:46:26,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:26,205 INFO L225 Difference]: With dead ends: 316 [2022-11-22 02:46:26,209 INFO L226 Difference]: Without dead ends: 292 [2022-11-22 02:46:26,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:26,214 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:26,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:46:26,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-11-22 02:46:26,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 249. [2022-11-22 02:46:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 233 states have (on average 2.570815450643777) internal successors, (599), 248 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 599 transitions. [2022-11-22 02:46:26,287 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 599 transitions. Word has length 4 [2022-11-22 02:46:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:26,288 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 599 transitions. [2022-11-22 02:46:26,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 599 transitions. [2022-11-22 02:46:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:46:26,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:26,289 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:46:26,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:46:26,290 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:26,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 20509234, now seen corresponding path program 1 times [2022-11-22 02:46:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:26,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619717469] [2022-11-22 02:46:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:26,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:26,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:26,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619717469] [2022-11-22 02:46:26,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619717469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:26,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:26,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:46:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624249493] [2022-11-22 02:46:26,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:26,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:46:26,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:26,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:46:26,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:46:26,774 INFO L87 Difference]: Start difference. First operand 249 states and 599 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:26,910 INFO L93 Difference]: Finished difference Result 248 states and 597 transitions. [2022-11-22 02:46:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:26,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 02:46:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:26,913 INFO L225 Difference]: With dead ends: 248 [2022-11-22 02:46:26,913 INFO L226 Difference]: Without dead ends: 248 [2022-11-22 02:46:26,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:26,915 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:26,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:46:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-22 02:46:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-22 02:46:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 232 states have (on average 2.5732758620689653) internal successors, (597), 247 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 597 transitions. [2022-11-22 02:46:26,931 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 597 transitions. Word has length 4 [2022-11-22 02:46:26,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:26,932 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 597 transitions. [2022-11-22 02:46:26,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 597 transitions. [2022-11-22 02:46:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:46:26,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:26,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:46:26,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:46:26,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:26,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash 635788522, now seen corresponding path program 1 times [2022-11-22 02:46:26,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:26,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423030258] [2022-11-22 02:46:26,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:26,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:27,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:27,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423030258] [2022-11-22 02:46:27,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423030258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:27,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:27,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:27,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266526551] [2022-11-22 02:46:27,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:27,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:27,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:27,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:27,579 INFO L87 Difference]: Start difference. First operand 248 states and 597 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:27,787 INFO L93 Difference]: Finished difference Result 348 states and 861 transitions. [2022-11-22 02:46:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:46:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 02:46:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:27,792 INFO L225 Difference]: With dead ends: 348 [2022-11-22 02:46:27,792 INFO L226 Difference]: Without dead ends: 348 [2022-11-22 02:46:27,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:27,793 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:27,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:27,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-11-22 02:46:27,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 284. [2022-11-22 02:46:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 268 states have (on average 2.716417910447761) internal successors, (728), 283 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 728 transitions. [2022-11-22 02:46:27,823 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 728 transitions. Word has length 5 [2022-11-22 02:46:27,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:27,823 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 728 transitions. [2022-11-22 02:46:27,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 728 transitions. [2022-11-22 02:46:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:46:27,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:27,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:46:27,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:46:27,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:27,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:27,825 INFO L85 PathProgramCache]: Analyzing trace with hash 635788523, now seen corresponding path program 1 times [2022-11-22 02:46:27,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:27,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426986631] [2022-11-22 02:46:27,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:27,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:28,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:28,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426986631] [2022-11-22 02:46:28,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426986631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:28,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:28,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:28,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882219069] [2022-11-22 02:46:28,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:28,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:28,296 INFO L87 Difference]: Start difference. First operand 284 states and 728 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:28,453 INFO L93 Difference]: Finished difference Result 297 states and 747 transitions. [2022-11-22 02:46:28,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:28,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 02:46:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:28,456 INFO L225 Difference]: With dead ends: 297 [2022-11-22 02:46:28,456 INFO L226 Difference]: Without dead ends: 297 [2022-11-22 02:46:28,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:28,457 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:28,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:46:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-22 02:46:28,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 284. [2022-11-22 02:46:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 268 states have (on average 2.656716417910448) internal successors, (712), 283 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 712 transitions. [2022-11-22 02:46:28,476 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 712 transitions. Word has length 5 [2022-11-22 02:46:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:28,477 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 712 transitions. [2022-11-22 02:46:28,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:28,477 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 712 transitions. [2022-11-22 02:46:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:46:28,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:28,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:46:28,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:46:28,479 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash 635789452, now seen corresponding path program 2 times [2022-11-22 02:46:28,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:28,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965993800] [2022-11-22 02:46:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:28,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:29,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:29,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965993800] [2022-11-22 02:46:29,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965993800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:29,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:29,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:29,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817920706] [2022-11-22 02:46:29,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:29,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:29,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:29,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:29,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:29,022 INFO L87 Difference]: Start difference. First operand 284 states and 712 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:29,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:29,205 INFO L93 Difference]: Finished difference Result 285 states and 714 transitions. [2022-11-22 02:46:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:29,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 02:46:29,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:29,208 INFO L225 Difference]: With dead ends: 285 [2022-11-22 02:46:29,208 INFO L226 Difference]: Without dead ends: 285 [2022-11-22 02:46:29,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:29,209 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:29,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-11-22 02:46:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 275. [2022-11-22 02:46:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 259 states have (on average 2.6563706563706564) internal successors, (688), 274 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 688 transitions. [2022-11-22 02:46:29,226 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 688 transitions. Word has length 5 [2022-11-22 02:46:29,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:29,226 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 688 transitions. [2022-11-22 02:46:29,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 688 transitions. [2022-11-22 02:46:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:46:29,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:29,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:46:29,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:46:29,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1765543096, now seen corresponding path program 1 times [2022-11-22 02:46:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:29,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656453041] [2022-11-22 02:46:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:29,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:29,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:29,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656453041] [2022-11-22 02:46:29,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656453041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:29,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:29,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498089946] [2022-11-22 02:46:29,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:29,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:29,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:29,791 INFO L87 Difference]: Start difference. First operand 275 states and 688 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:29,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:29,991 INFO L93 Difference]: Finished difference Result 294 states and 695 transitions. [2022-11-22 02:46:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:46:29,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 02:46:29,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:29,994 INFO L225 Difference]: With dead ends: 294 [2022-11-22 02:46:29,994 INFO L226 Difference]: Without dead ends: 294 [2022-11-22 02:46:29,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:29,995 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:29,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:29,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-22 02:46:30,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 262. [2022-11-22 02:46:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 249 states have (on average 2.5943775100401605) internal successors, (646), 261 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 646 transitions. [2022-11-22 02:46:30,007 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 646 transitions. Word has length 6 [2022-11-22 02:46:30,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:30,007 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 646 transitions. [2022-11-22 02:46:30,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 646 transitions. [2022-11-22 02:46:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:46:30,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:30,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:46:30,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:46:30,009 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1765543095, now seen corresponding path program 1 times [2022-11-22 02:46:30,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:30,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328385499] [2022-11-22 02:46:30,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:30,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:30,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328385499] [2022-11-22 02:46:30,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328385499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:30,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:30,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:30,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299390417] [2022-11-22 02:46:30,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:30,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:30,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:30,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:30,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:30,379 INFO L87 Difference]: Start difference. First operand 262 states and 646 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:30,548 INFO L93 Difference]: Finished difference Result 250 states and 607 transitions. [2022-11-22 02:46:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:30,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 02:46:30,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:30,550 INFO L225 Difference]: With dead ends: 250 [2022-11-22 02:46:30,550 INFO L226 Difference]: Without dead ends: 250 [2022-11-22 02:46:30,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:30,551 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:30,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:30,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-22 02:46:30,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-11-22 02:46:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 2.5397489539748954) internal successors, (607), 249 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 607 transitions. [2022-11-22 02:46:30,563 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 607 transitions. Word has length 6 [2022-11-22 02:46:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:30,563 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 607 transitions. [2022-11-22 02:46:30,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 607 transitions. [2022-11-22 02:46:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:46:30,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:30,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:30,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:46:30,568 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:30,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:30,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1107363891, now seen corresponding path program 1 times [2022-11-22 02:46:30,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:30,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101861383] [2022-11-22 02:46:30,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:30,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:31,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:31,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101861383] [2022-11-22 02:46:31,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101861383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:31,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:31,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:31,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314212936] [2022-11-22 02:46:31,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:31,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:46:31,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:31,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:46:31,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:31,222 INFO L87 Difference]: Start difference. First operand 250 states and 607 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:31,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:31,450 INFO L93 Difference]: Finished difference Result 355 states and 873 transitions. [2022-11-22 02:46:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:46:31,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 02:46:31,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:31,452 INFO L225 Difference]: With dead ends: 355 [2022-11-22 02:46:31,453 INFO L226 Difference]: Without dead ends: 355 [2022-11-22 02:46:31,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:31,453 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:31,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-11-22 02:46:31,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 241. [2022-11-22 02:46:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 230 states have (on average 2.5565217391304347) internal successors, (588), 240 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 588 transitions. [2022-11-22 02:46:31,467 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 588 transitions. Word has length 7 [2022-11-22 02:46:31,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:31,467 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 588 transitions. [2022-11-22 02:46:31,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 588 transitions. [2022-11-22 02:46:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:46:31,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:31,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:31,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:46:31,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1107363892, now seen corresponding path program 1 times [2022-11-22 02:46:31,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:31,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072516491] [2022-11-22 02:46:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:32,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:32,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072516491] [2022-11-22 02:46:32,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072516491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:32,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:32,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:32,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015086147] [2022-11-22 02:46:32,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:32,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:46:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:32,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:46:32,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:32,108 INFO L87 Difference]: Start difference. First operand 241 states and 588 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:32,276 INFO L93 Difference]: Finished difference Result 235 states and 570 transitions. [2022-11-22 02:46:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:32,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 02:46:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:32,278 INFO L225 Difference]: With dead ends: 235 [2022-11-22 02:46:32,278 INFO L226 Difference]: Without dead ends: 235 [2022-11-22 02:46:32,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:46:32,279 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:32,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:46:32,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-11-22 02:46:32,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 232. [2022-11-22 02:46:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 221 states have (on average 2.5520361990950224) internal successors, (564), 231 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 564 transitions. [2022-11-22 02:46:32,288 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 564 transitions. Word has length 7 [2022-11-22 02:46:32,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:32,288 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 564 transitions. [2022-11-22 02:46:32,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 564 transitions. [2022-11-22 02:46:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:46:32,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:32,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:32,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:46:32,290 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1102742702, now seen corresponding path program 1 times [2022-11-22 02:46:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:32,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598201980] [2022-11-22 02:46:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:32,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:32,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:32,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598201980] [2022-11-22 02:46:32,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598201980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:32,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:32,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530820072] [2022-11-22 02:46:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:32,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:46:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:32,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:46:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:32,876 INFO L87 Difference]: Start difference. First operand 232 states and 564 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:33,163 INFO L93 Difference]: Finished difference Result 342 states and 843 transitions. [2022-11-22 02:46:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:46:33,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 02:46:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:33,165 INFO L225 Difference]: With dead ends: 342 [2022-11-22 02:46:33,166 INFO L226 Difference]: Without dead ends: 342 [2022-11-22 02:46:33,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:33,166 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:33,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-11-22 02:46:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 230. [2022-11-22 02:46:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 219 states have (on average 2.5616438356164384) internal successors, (561), 229 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 561 transitions. [2022-11-22 02:46:33,176 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 561 transitions. Word has length 7 [2022-11-22 02:46:33,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:33,177 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 561 transitions. [2022-11-22 02:46:33,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 561 transitions. [2022-11-22 02:46:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:46:33,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:33,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:33,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:46:33,178 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:33,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:33,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1102742703, now seen corresponding path program 1 times [2022-11-22 02:46:33,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:33,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436469300] [2022-11-22 02:46:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:33,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:33,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436469300] [2022-11-22 02:46:33,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436469300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:33,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:33,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:33,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102269885] [2022-11-22 02:46:33,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:33,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:46:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:33,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:46:33,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:46:33,673 INFO L87 Difference]: Start difference. First operand 230 states and 561 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:33,857 INFO L93 Difference]: Finished difference Result 224 states and 543 transitions. [2022-11-22 02:46:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:46:33,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 02:46:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:33,862 INFO L225 Difference]: With dead ends: 224 [2022-11-22 02:46:33,862 INFO L226 Difference]: Without dead ends: 224 [2022-11-22 02:46:33,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:46:33,863 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:33,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-11-22 02:46:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2022-11-22 02:46:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 207 states have (on average 2.550724637681159) internal successors, (528), 217 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 528 transitions. [2022-11-22 02:46:33,870 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 528 transitions. Word has length 7 [2022-11-22 02:46:33,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:33,870 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 528 transitions. [2022-11-22 02:46:33,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 528 transitions. [2022-11-22 02:46:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:46:33,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:33,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:33,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:46:33,874 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:33,875 INFO L85 PathProgramCache]: Analyzing trace with hash -31453897, now seen corresponding path program 1 times [2022-11-22 02:46:33,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:33,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596347465] [2022-11-22 02:46:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:33,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:33,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:33,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596347465] [2022-11-22 02:46:33,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596347465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:33,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:33,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:46:33,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831299283] [2022-11-22 02:46:33,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:33,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:46:33,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:33,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:46:33,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:46:33,946 INFO L87 Difference]: Start difference. First operand 218 states and 528 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:34,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:34,019 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2022-11-22 02:46:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:46:34,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 02:46:34,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:34,020 INFO L225 Difference]: With dead ends: 70 [2022-11-22 02:46:34,021 INFO L226 Difference]: Without dead ends: 70 [2022-11-22 02:46:34,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:46:34,021 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:34,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:46:34,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-22 02:46:34,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-22 02:46:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.9545454545454546) internal successors, (129), 69 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 129 transitions. [2022-11-22 02:46:34,025 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 129 transitions. Word has length 8 [2022-11-22 02:46:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:34,025 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 129 transitions. [2022-11-22 02:46:34,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2022-11-22 02:46:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:34,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:34,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:34,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:46:34,026 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:34,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:34,027 INFO L85 PathProgramCache]: Analyzing trace with hash -994544463, now seen corresponding path program 1 times [2022-11-22 02:46:34,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:34,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023485271] [2022-11-22 02:46:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:34,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:34,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023485271] [2022-11-22 02:46:34,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023485271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:34,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:34,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:34,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743846018] [2022-11-22 02:46:34,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:34,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:34,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:34,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:34,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:34,822 INFO L87 Difference]: Start difference. First operand 70 states and 129 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:35,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:35,315 INFO L93 Difference]: Finished difference Result 85 states and 151 transitions. [2022-11-22 02:46:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:46:35,316 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:35,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:35,317 INFO L225 Difference]: With dead ends: 85 [2022-11-22 02:46:35,317 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 02:46:35,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:46:35,318 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:35,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:46:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 02:46:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2022-11-22 02:46:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.9466666666666668) internal successors, (146), 78 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 146 transitions. [2022-11-22 02:46:35,321 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 146 transitions. Word has length 9 [2022-11-22 02:46:35,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:35,321 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 146 transitions. [2022-11-22 02:46:35,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2022-11-22 02:46:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:35,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:35,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:35,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:46:35,322 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:35,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash -994544462, now seen corresponding path program 1 times [2022-11-22 02:46:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:35,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901417285] [2022-11-22 02:46:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:35,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:35,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901417285] [2022-11-22 02:46:35,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901417285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:35,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:35,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:35,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258965703] [2022-11-22 02:46:35,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:35,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:35,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:35,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:35,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:35,796 INFO L87 Difference]: Start difference. First operand 79 states and 146 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:36,046 INFO L93 Difference]: Finished difference Result 124 states and 222 transitions. [2022-11-22 02:46:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:46:36,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:36,048 INFO L225 Difference]: With dead ends: 124 [2022-11-22 02:46:36,048 INFO L226 Difference]: Without dead ends: 124 [2022-11-22 02:46:36,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:36,049 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:36,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-22 02:46:36,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 96. [2022-11-22 02:46:36,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 95 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 179 transitions. [2022-11-22 02:46:36,052 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 179 transitions. Word has length 9 [2022-11-22 02:46:36,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:36,053 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 179 transitions. [2022-11-22 02:46:36,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2022-11-22 02:46:36,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:36,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:36,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:36,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 02:46:36,054 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:36,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash -998064512, now seen corresponding path program 2 times [2022-11-22 02:46:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:36,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557442587] [2022-11-22 02:46:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:36,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:36,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:36,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557442587] [2022-11-22 02:46:36,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557442587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:36,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:36,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:36,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73159454] [2022-11-22 02:46:36,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:36,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:36,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:36,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:36,469 INFO L87 Difference]: Start difference. First operand 96 states and 179 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:36,669 INFO L93 Difference]: Finished difference Result 131 states and 228 transitions. [2022-11-22 02:46:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:46:36,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:36,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:36,670 INFO L225 Difference]: With dead ends: 131 [2022-11-22 02:46:36,670 INFO L226 Difference]: Without dead ends: 131 [2022-11-22 02:46:36,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:36,671 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:36,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 0 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-22 02:46:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 108. [2022-11-22 02:46:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 104 states have (on average 1.9423076923076923) internal successors, (202), 107 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 202 transitions. [2022-11-22 02:46:36,676 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 202 transitions. Word has length 9 [2022-11-22 02:46:36,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:36,676 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 202 transitions. [2022-11-22 02:46:36,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:36,676 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2022-11-22 02:46:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:36,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:36,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:36,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 02:46:36,677 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:36,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash -975249610, now seen corresponding path program 1 times [2022-11-22 02:46:36,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:36,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846588093] [2022-11-22 02:46:36,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:37,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:37,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846588093] [2022-11-22 02:46:37,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846588093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:37,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:37,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:37,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293849385] [2022-11-22 02:46:37,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:37,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:37,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:37,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:37,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:37,624 INFO L87 Difference]: Start difference. First operand 108 states and 202 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:37,905 INFO L93 Difference]: Finished difference Result 108 states and 199 transitions. [2022-11-22 02:46:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:46:37,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:37,907 INFO L225 Difference]: With dead ends: 108 [2022-11-22 02:46:37,907 INFO L226 Difference]: Without dead ends: 102 [2022-11-22 02:46:37,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-22 02:46:37,908 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:37,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 0 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-22 02:46:37,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-11-22 02:46:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 98 states have (on average 1.9285714285714286) internal successors, (189), 101 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 189 transitions. [2022-11-22 02:46:37,913 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 189 transitions. Word has length 9 [2022-11-22 02:46:37,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:37,913 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 189 transitions. [2022-11-22 02:46:37,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 189 transitions. [2022-11-22 02:46:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:37,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:37,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:37,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 02:46:37,915 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:37,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1126139874, now seen corresponding path program 2 times [2022-11-22 02:46:37,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:37,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822139571] [2022-11-22 02:46:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:37,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:38,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:38,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822139571] [2022-11-22 02:46:38,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822139571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:38,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:38,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:38,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431567852] [2022-11-22 02:46:38,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:38,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:38,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:38,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:38,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:38,730 INFO L87 Difference]: Start difference. First operand 102 states and 189 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:39,224 INFO L93 Difference]: Finished difference Result 105 states and 194 transitions. [2022-11-22 02:46:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:46:39,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:39,226 INFO L225 Difference]: With dead ends: 105 [2022-11-22 02:46:39,226 INFO L226 Difference]: Without dead ends: 105 [2022-11-22 02:46:39,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:46:39,227 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:39,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:46:39,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-22 02:46:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99. [2022-11-22 02:46:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 96 states have (on average 1.9166666666666667) internal successors, (184), 98 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 184 transitions. [2022-11-22 02:46:39,231 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 184 transitions. Word has length 9 [2022-11-22 02:46:39,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:39,231 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 184 transitions. [2022-11-22 02:46:39,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 184 transitions. [2022-11-22 02:46:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:39,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:39,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:39,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 02:46:39,232 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:39,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1126139873, now seen corresponding path program 1 times [2022-11-22 02:46:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:39,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413815062] [2022-11-22 02:46:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:39,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:39,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:39,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413815062] [2022-11-22 02:46:39,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413815062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:39,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:39,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:39,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692485624] [2022-11-22 02:46:39,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:39,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:39,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:39,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:39,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:39,701 INFO L87 Difference]: Start difference. First operand 99 states and 184 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:39,938 INFO L93 Difference]: Finished difference Result 124 states and 213 transitions. [2022-11-22 02:46:39,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:46:39,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:39,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:39,939 INFO L225 Difference]: With dead ends: 124 [2022-11-22 02:46:39,939 INFO L226 Difference]: Without dead ends: 118 [2022-11-22 02:46:39,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:39,940 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:39,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:39,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-22 02:46:39,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 96. [2022-11-22 02:46:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 93 states have (on average 1.89247311827957) internal successors, (176), 95 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2022-11-22 02:46:39,944 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 9 [2022-11-22 02:46:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:39,944 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2022-11-22 02:46:39,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2022-11-22 02:46:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:39,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:39,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:39,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 02:46:39,945 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:39,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:39,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1126098953, now seen corresponding path program 2 times [2022-11-22 02:46:39,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:39,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140564155] [2022-11-22 02:46:39,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:39,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:40,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:40,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140564155] [2022-11-22 02:46:40,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140564155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:40,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:40,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:46:40,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892610838] [2022-11-22 02:46:40,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:40,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:46:40,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:46:40,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:46:40,220 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:40,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:40,425 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2022-11-22 02:46:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:46:40,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:40,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:40,426 INFO L225 Difference]: With dead ends: 107 [2022-11-22 02:46:40,426 INFO L226 Difference]: Without dead ends: 98 [2022-11-22 02:46:40,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:40,427 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:40,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:40,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-22 02:46:40,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 78. [2022-11-22 02:46:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.881578947368421) internal successors, (143), 77 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 143 transitions. [2022-11-22 02:46:40,430 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 143 transitions. Word has length 9 [2022-11-22 02:46:40,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:40,431 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 143 transitions. [2022-11-22 02:46:40,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2022-11-22 02:46:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:40,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:40,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:40,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 02:46:40,431 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:40,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash -832184687, now seen corresponding path program 2 times [2022-11-22 02:46:40,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:40,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058311130] [2022-11-22 02:46:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:41,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:41,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058311130] [2022-11-22 02:46:41,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058311130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:41,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:41,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917401185] [2022-11-22 02:46:41,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:41,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:41,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:41,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:41,042 INFO L87 Difference]: Start difference. First operand 78 states and 143 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:41,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:41,358 INFO L93 Difference]: Finished difference Result 76 states and 136 transitions. [2022-11-22 02:46:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:46:41,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:41,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:41,359 INFO L225 Difference]: With dead ends: 76 [2022-11-22 02:46:41,359 INFO L226 Difference]: Without dead ends: 76 [2022-11-22 02:46:41,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:46:41,360 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:41,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:41,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-22 02:46:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2022-11-22 02:46:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.873015873015873) internal successors, (118), 64 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 118 transitions. [2022-11-22 02:46:41,363 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 118 transitions. Word has length 9 [2022-11-22 02:46:41,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:41,363 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 118 transitions. [2022-11-22 02:46:41,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2022-11-22 02:46:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:46:41,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:41,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:41,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 02:46:41,364 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:41,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash -832184686, now seen corresponding path program 3 times [2022-11-22 02:46:41,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:41,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778341738] [2022-11-22 02:46:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:41,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:41,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:41,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778341738] [2022-11-22 02:46:41,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778341738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:41,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:41,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:46:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374412675] [2022-11-22 02:46:41,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:41,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 02:46:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 02:46:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:46:41,866 INFO L87 Difference]: Start difference. First operand 65 states and 118 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:42,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:42,118 INFO L93 Difference]: Finished difference Result 65 states and 114 transitions. [2022-11-22 02:46:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:46:42,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 02:46:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:42,119 INFO L225 Difference]: With dead ends: 65 [2022-11-22 02:46:42,119 INFO L226 Difference]: Without dead ends: 65 [2022-11-22 02:46:42,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:42,120 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:42,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:42,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-22 02:46:42,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 44. [2022-11-22 02:46:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 43 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 77 transitions. [2022-11-22 02:46:42,126 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 77 transitions. Word has length 9 [2022-11-22 02:46:42,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:42,127 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 77 transitions. [2022-11-22 02:46:42,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2022-11-22 02:46:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:42,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:42,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:42,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 02:46:42,129 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:42,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:42,129 INFO L85 PathProgramCache]: Analyzing trace with hash 465126859, now seen corresponding path program 1 times [2022-11-22 02:46:42,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:42,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121280821] [2022-11-22 02:46:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:42,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:43,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:43,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121280821] [2022-11-22 02:46:43,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121280821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:43,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:43,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:43,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793816563] [2022-11-22 02:46:43,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:43,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:43,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:43,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:43,191 INFO L87 Difference]: Start difference. First operand 44 states and 77 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:43,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:43,860 INFO L93 Difference]: Finished difference Result 62 states and 99 transitions. [2022-11-22 02:46:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 02:46:43,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:43,862 INFO L225 Difference]: With dead ends: 62 [2022-11-22 02:46:43,862 INFO L226 Difference]: Without dead ends: 62 [2022-11-22 02:46:43,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2022-11-22 02:46:43,863 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:43,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:46:43,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-22 02:46:43,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2022-11-22 02:46:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.7037037037037037) internal successors, (92), 55 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 92 transitions. [2022-11-22 02:46:43,865 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 92 transitions. Word has length 13 [2022-11-22 02:46:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:43,866 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 92 transitions. [2022-11-22 02:46:43,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2022-11-22 02:46:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:43,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:43,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:43,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 02:46:43,867 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:43,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash 465126860, now seen corresponding path program 1 times [2022-11-22 02:46:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:43,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129317687] [2022-11-22 02:46:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:43,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:44,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:44,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129317687] [2022-11-22 02:46:44,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129317687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:44,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:44,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:44,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587386331] [2022-11-22 02:46:44,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:44,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:44,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:44,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:44,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:44,595 INFO L87 Difference]: Start difference. First operand 56 states and 92 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:44,951 INFO L93 Difference]: Finished difference Result 91 states and 146 transitions. [2022-11-22 02:46:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:46:44,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:44,963 INFO L225 Difference]: With dead ends: 91 [2022-11-22 02:46:44,963 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 02:46:44,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-22 02:46:44,964 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:44,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:44,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 02:46:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 65. [2022-11-22 02:46:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.7619047619047619) internal successors, (111), 64 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 111 transitions. [2022-11-22 02:46:44,966 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 111 transitions. Word has length 13 [2022-11-22 02:46:44,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:44,966 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 111 transitions. [2022-11-22 02:46:44,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2022-11-22 02:46:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:44,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:44,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:44,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 02:46:44,966 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:44,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash 517856929, now seen corresponding path program 2 times [2022-11-22 02:46:44,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:44,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083836133] [2022-11-22 02:46:44,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:44,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:45,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:45,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083836133] [2022-11-22 02:46:45,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083836133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:45,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:45,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:45,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173320767] [2022-11-22 02:46:45,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:45,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:45,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:45,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:45,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:45,903 INFO L87 Difference]: Start difference. First operand 65 states and 111 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:47,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:47,050 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2022-11-22 02:46:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 02:46:47,050 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:47,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:47,051 INFO L225 Difference]: With dead ends: 85 [2022-11-22 02:46:47,051 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 02:46:47,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2022-11-22 02:46:47,052 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:47,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:46:47,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 02:46:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2022-11-22 02:46:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 70 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 122 transitions. [2022-11-22 02:46:47,055 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 122 transitions. Word has length 13 [2022-11-22 02:46:47,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:47,055 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 122 transitions. [2022-11-22 02:46:47,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2022-11-22 02:46:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:47,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:47,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:47,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 02:46:47,056 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:47,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:47,057 INFO L85 PathProgramCache]: Analyzing trace with hash 517856930, now seen corresponding path program 2 times [2022-11-22 02:46:47,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:47,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542244085] [2022-11-22 02:46:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:47,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:47,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:47,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542244085] [2022-11-22 02:46:47,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542244085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:47,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:47,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119792658] [2022-11-22 02:46:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:47,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:47,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:47,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:47,754 INFO L87 Difference]: Start difference. First operand 71 states and 122 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:48,123 INFO L93 Difference]: Finished difference Result 107 states and 170 transitions. [2022-11-22 02:46:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:48,124 INFO L225 Difference]: With dead ends: 107 [2022-11-22 02:46:48,124 INFO L226 Difference]: Without dead ends: 96 [2022-11-22 02:46:48,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:48,125 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:48,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:48,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-22 02:46:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 68. [2022-11-22 02:46:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.7575757575757576) internal successors, (116), 67 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 116 transitions. [2022-11-22 02:46:48,133 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 116 transitions. Word has length 13 [2022-11-22 02:46:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:48,134 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 116 transitions. [2022-11-22 02:46:48,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 116 transitions. [2022-11-22 02:46:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:48,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:48,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:48,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 02:46:48,135 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:48,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:48,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1768786032, now seen corresponding path program 3 times [2022-11-22 02:46:48,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:48,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748830067] [2022-11-22 02:46:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:48,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:48,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:48,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748830067] [2022-11-22 02:46:48,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748830067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:48,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:48,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:48,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79626548] [2022-11-22 02:46:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:48,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:48,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:48,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:48,683 INFO L87 Difference]: Start difference. First operand 68 states and 116 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:48,999 INFO L93 Difference]: Finished difference Result 114 states and 169 transitions. [2022-11-22 02:46:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:49,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:49,000 INFO L225 Difference]: With dead ends: 114 [2022-11-22 02:46:49,000 INFO L226 Difference]: Without dead ends: 102 [2022-11-22 02:46:49,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:49,001 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:49,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-22 02:46:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 68. [2022-11-22 02:46:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.6363636363636365) internal successors, (108), 67 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 108 transitions. [2022-11-22 02:46:49,004 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 108 transitions. Word has length 13 [2022-11-22 02:46:49,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:49,004 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 108 transitions. [2022-11-22 02:46:49,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2022-11-22 02:46:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:49,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:49,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:49,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 02:46:49,005 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash -891549094, now seen corresponding path program 4 times [2022-11-22 02:46:49,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:49,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529685860] [2022-11-22 02:46:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:49,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:49,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529685860] [2022-11-22 02:46:49,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529685860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:49,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:49,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:49,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178371188] [2022-11-22 02:46:49,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:49,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:49,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:49,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:49,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:49,488 INFO L87 Difference]: Start difference. First operand 68 states and 108 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:49,769 INFO L93 Difference]: Finished difference Result 104 states and 150 transitions. [2022-11-22 02:46:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:49,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:49,771 INFO L225 Difference]: With dead ends: 104 [2022-11-22 02:46:49,771 INFO L226 Difference]: Without dead ends: 98 [2022-11-22 02:46:49,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:49,772 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:49,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-22 02:46:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 68. [2022-11-22 02:46:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.606060606060606) internal successors, (106), 67 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2022-11-22 02:46:49,775 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 13 [2022-11-22 02:46:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:49,775 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2022-11-22 02:46:49,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2022-11-22 02:46:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:49,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:49,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:49,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 02:46:49,776 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash -916573534, now seen corresponding path program 5 times [2022-11-22 02:46:49,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:49,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470190949] [2022-11-22 02:46:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:50,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:50,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470190949] [2022-11-22 02:46:50,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470190949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:50,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:50,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:50,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943385915] [2022-11-22 02:46:50,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:50,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:50,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:50,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:50,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:50,418 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:50,729 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2022-11-22 02:46:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:46:50,729 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:50,730 INFO L225 Difference]: With dead ends: 100 [2022-11-22 02:46:50,730 INFO L226 Difference]: Without dead ends: 84 [2022-11-22 02:46:50,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-22 02:46:50,731 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:50,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-22 02:46:50,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 62. [2022-11-22 02:46:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 61 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2022-11-22 02:46:50,734 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 13 [2022-11-22 02:46:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:50,734 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2022-11-22 02:46:50,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2022-11-22 02:46:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:50,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:50,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:50,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 02:46:50,735 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:50,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:50,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1053858288, now seen corresponding path program 6 times [2022-11-22 02:46:50,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:50,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202498433] [2022-11-22 02:46:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:50,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:51,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:51,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202498433] [2022-11-22 02:46:51,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202498433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:51,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:51,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:51,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196127762] [2022-11-22 02:46:51,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:51,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:51,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:51,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:51,290 INFO L87 Difference]: Start difference. First operand 62 states and 94 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:51,586 INFO L93 Difference]: Finished difference Result 80 states and 113 transitions. [2022-11-22 02:46:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:51,586 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:51,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:51,587 INFO L225 Difference]: With dead ends: 80 [2022-11-22 02:46:51,587 INFO L226 Difference]: Without dead ends: 73 [2022-11-22 02:46:51,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:51,587 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:51,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-22 02:46:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2022-11-22 02:46:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 60 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 92 transitions. [2022-11-22 02:46:51,590 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 92 transitions. Word has length 13 [2022-11-22 02:46:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:51,590 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 92 transitions. [2022-11-22 02:46:51,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2022-11-22 02:46:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:51,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:51,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:51,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 02:46:51,591 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:51,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1915111402, now seen corresponding path program 7 times [2022-11-22 02:46:51,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:51,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60181038] [2022-11-22 02:46:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:52,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:52,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60181038] [2022-11-22 02:46:52,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60181038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:52,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:52,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:52,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257209921] [2022-11-22 02:46:52,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:52,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:52,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:52,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:52,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:52,070 INFO L87 Difference]: Start difference. First operand 61 states and 92 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:52,407 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2022-11-22 02:46:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:52,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:52,408 INFO L225 Difference]: With dead ends: 77 [2022-11-22 02:46:52,408 INFO L226 Difference]: Without dead ends: 63 [2022-11-22 02:46:52,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:52,409 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:52,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-22 02:46:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 53. [2022-11-22 02:46:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2022-11-22 02:46:52,411 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 13 [2022-11-22 02:46:52,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:52,411 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2022-11-22 02:46:52,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2022-11-22 02:46:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:52,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:52,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-22 02:46:52,412 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash -22656679, now seen corresponding path program 3 times [2022-11-22 02:46:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:52,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383054002] [2022-11-22 02:46:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:53,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:53,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383054002] [2022-11-22 02:46:53,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383054002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:53,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:53,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757739883] [2022-11-22 02:46:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:53,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:53,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:53,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:53,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:53,303 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:53,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:53,747 INFO L93 Difference]: Finished difference Result 61 states and 85 transitions. [2022-11-22 02:46:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:46:53,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:53,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:53,749 INFO L225 Difference]: With dead ends: 61 [2022-11-22 02:46:53,749 INFO L226 Difference]: Without dead ends: 61 [2022-11-22 02:46:53,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:46:53,749 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:53,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:53,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-22 02:46:53,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2022-11-22 02:46:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2022-11-22 02:46:53,752 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 13 [2022-11-22 02:46:53,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:53,752 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2022-11-22 02:46:53,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2022-11-22 02:46:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:53,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:53,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:53,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-22 02:46:53,753 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:53,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash -22656678, now seen corresponding path program 8 times [2022-11-22 02:46:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:53,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842645693] [2022-11-22 02:46:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:54,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:54,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842645693] [2022-11-22 02:46:54,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842645693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:54,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:54,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:54,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111907729] [2022-11-22 02:46:54,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:54,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:54,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:54,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:54,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:54,304 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:54,646 INFO L93 Difference]: Finished difference Result 71 states and 96 transitions. [2022-11-22 02:46:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:54,647 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:54,648 INFO L225 Difference]: With dead ends: 71 [2022-11-22 02:46:54,648 INFO L226 Difference]: Without dead ends: 64 [2022-11-22 02:46:54,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:46:54,648 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:54,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-22 02:46:54,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2022-11-22 02:46:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2022-11-22 02:46:54,651 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 13 [2022-11-22 02:46:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:54,651 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2022-11-22 02:46:54,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2022-11-22 02:46:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:54,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:54,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:54,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-22 02:46:54,652 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:54,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:54,652 INFO L85 PathProgramCache]: Analyzing trace with hash -882720501, now seen corresponding path program 4 times [2022-11-22 02:46:54,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:54,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835548371] [2022-11-22 02:46:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:54,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:55,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:55,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835548371] [2022-11-22 02:46:55,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835548371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:55,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:55,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923865280] [2022-11-22 02:46:55,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:55,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:55,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:55,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:55,744 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:56,139 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2022-11-22 02:46:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:56,139 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:56,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:56,140 INFO L225 Difference]: With dead ends: 59 [2022-11-22 02:46:56,140 INFO L226 Difference]: Without dead ends: 59 [2022-11-22 02:46:56,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:46:56,141 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:56,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:56,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-22 02:46:56,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2022-11-22 02:46:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2022-11-22 02:46:56,143 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 13 [2022-11-22 02:46:56,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:56,143 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2022-11-22 02:46:56,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-11-22 02:46:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:56,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:56,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:56,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-22 02:46:56,144 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:56,145 INFO L85 PathProgramCache]: Analyzing trace with hash -882720500, now seen corresponding path program 9 times [2022-11-22 02:46:56,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:56,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111257208] [2022-11-22 02:46:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:56,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:56,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111257208] [2022-11-22 02:46:56,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111257208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:56,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:56,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:46:56,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29865495] [2022-11-22 02:46:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:56,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:46:56,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:46:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:46:56,699 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:56,972 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2022-11-22 02:46:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:46:56,972 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:56,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:56,973 INFO L225 Difference]: With dead ends: 73 [2022-11-22 02:46:56,973 INFO L226 Difference]: Without dead ends: 67 [2022-11-22 02:46:56,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:46:56,974 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:56,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-22 02:46:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2022-11-22 02:46:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2022-11-22 02:46:56,976 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 13 [2022-11-22 02:46:56,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:56,977 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2022-11-22 02:46:56,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-22 02:46:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:56,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:56,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:56,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-22 02:46:56,978 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:56,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:56,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1325415935, now seen corresponding path program 5 times [2022-11-22 02:46:56,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:56,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090798320] [2022-11-22 02:46:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:57,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:57,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090798320] [2022-11-22 02:46:57,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090798320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:57,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:57,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:57,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434131437] [2022-11-22 02:46:57,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:57,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:57,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:57,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:57,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:57,817 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:58,310 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions. [2022-11-22 02:46:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:46:58,311 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:58,312 INFO L225 Difference]: With dead ends: 67 [2022-11-22 02:46:58,312 INFO L226 Difference]: Without dead ends: 62 [2022-11-22 02:46:58,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:46:58,314 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:58,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-22 02:46:58,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2022-11-22 02:46:58,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 49 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2022-11-22 02:46:58,317 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 13 [2022-11-22 02:46:58,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:58,317 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2022-11-22 02:46:58,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2022-11-22 02:46:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:58,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:58,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:58,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-22 02:46:58,318 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:58,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1350440375, now seen corresponding path program 6 times [2022-11-22 02:46:58,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:58,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750457263] [2022-11-22 02:46:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:46:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:46:59,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:46:59,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750457263] [2022-11-22 02:46:59,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750457263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:46:59,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:46:59,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:46:59,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467941661] [2022-11-22 02:46:59,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:46:59,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:46:59,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:46:59,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:46:59,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:46:59,084 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:46:59,449 INFO L93 Difference]: Finished difference Result 60 states and 84 transitions. [2022-11-22 02:46:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:46:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:46:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:46:59,450 INFO L225 Difference]: With dead ends: 60 [2022-11-22 02:46:59,450 INFO L226 Difference]: Without dead ends: 60 [2022-11-22 02:46:59,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:46:59,451 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:46:59,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:46:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-22 02:46:59,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 48. [2022-11-22 02:46:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2022-11-22 02:46:59,454 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 13 [2022-11-22 02:46:59,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:46:59,454 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2022-11-22 02:46:59,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:46:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2022-11-22 02:46:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:46:59,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:46:59,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:46:59,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-22 02:46:59,455 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:46:59,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:46:59,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1350440374, now seen corresponding path program 10 times [2022-11-22 02:46:59,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:46:59,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710305460] [2022-11-22 02:46:59,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:46:59,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:46:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:00,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:00,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710305460] [2022-11-22 02:47:00,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710305460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:00,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:00,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:47:00,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371758134] [2022-11-22 02:47:00,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:00,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:47:00,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:00,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:47:00,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:47:00,008 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:00,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:00,296 INFO L93 Difference]: Finished difference Result 58 states and 81 transitions. [2022-11-22 02:47:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:47:00,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:00,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:00,297 INFO L225 Difference]: With dead ends: 58 [2022-11-22 02:47:00,297 INFO L226 Difference]: Without dead ends: 44 [2022-11-22 02:47:00,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:47:00,298 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:00,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:47:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-22 02:47:00,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-22 02:47:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 43 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2022-11-22 02:47:00,300 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 13 [2022-11-22 02:47:00,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:00,300 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2022-11-22 02:47:00,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-11-22 02:47:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:47:00,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:00,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:00,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-22 02:47:00,301 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:47:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1524547499, now seen corresponding path program 7 times [2022-11-22 02:47:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:00,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815292299] [2022-11-22 02:47:00,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:00,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:00,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815292299] [2022-11-22 02:47:00,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815292299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:00,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:00,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:47:00,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377074501] [2022-11-22 02:47:00,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:00,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:47:00,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:00,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:47:00,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:47:00,977 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:01,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:01,442 INFO L93 Difference]: Finished difference Result 54 states and 75 transitions. [2022-11-22 02:47:01,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:47:01,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:01,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:01,443 INFO L225 Difference]: With dead ends: 54 [2022-11-22 02:47:01,444 INFO L226 Difference]: Without dead ends: 54 [2022-11-22 02:47:01,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:47:01,444 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:01,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:47:01,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-22 02:47:01,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 42. [2022-11-22 02:47:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.55) internal successors, (62), 41 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 62 transitions. [2022-11-22 02:47:01,447 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 62 transitions. Word has length 13 [2022-11-22 02:47:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:01,447 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 62 transitions. [2022-11-22 02:47:01,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2022-11-22 02:47:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:47:01,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:01,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:01,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-22 02:47:01,449 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:47:01,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:01,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1524547500, now seen corresponding path program 11 times [2022-11-22 02:47:01,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:01,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106565032] [2022-11-22 02:47:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:02,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:02,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106565032] [2022-11-22 02:47:02,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106565032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:02,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:02,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 02:47:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356943514] [2022-11-22 02:47:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:02,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 02:47:02,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:02,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 02:47:02,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:47:02,104 INFO L87 Difference]: Start difference. First operand 42 states and 62 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:02,486 INFO L93 Difference]: Finished difference Result 46 states and 65 transitions. [2022-11-22 02:47:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:47:02,486 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:02,487 INFO L225 Difference]: With dead ends: 46 [2022-11-22 02:47:02,487 INFO L226 Difference]: Without dead ends: 40 [2022-11-22 02:47:02,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:47:02,488 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:02,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:47:02,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-22 02:47:02,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-22 02:47:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2022-11-22 02:47:02,490 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 13 [2022-11-22 02:47:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:02,490 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2022-11-22 02:47:02,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-11-22 02:47:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:47:02,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:02,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:02,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-22 02:47:02,492 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:47:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1577277569, now seen corresponding path program 8 times [2022-11-22 02:47:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:02,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032891691] [2022-11-22 02:47:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:03,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:03,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032891691] [2022-11-22 02:47:03,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032891691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:03,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:03,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:47:03,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572718847] [2022-11-22 02:47:03,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:03,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:47:03,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:03,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:47:03,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:47:03,311 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:03,782 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2022-11-22 02:47:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:47:03,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:03,783 INFO L225 Difference]: With dead ends: 38 [2022-11-22 02:47:03,783 INFO L226 Difference]: Without dead ends: 38 [2022-11-22 02:47:03,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:47:03,784 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:03,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:47:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-22 02:47:03,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 27. [2022-11-22 02:47:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2022-11-22 02:47:03,786 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 38 transitions. Word has length 13 [2022-11-22 02:47:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:03,787 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 38 transitions. [2022-11-22 02:47:03,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-11-22 02:47:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:47:03,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:03,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:03,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-22 02:47:03,788 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:47:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1577277570, now seen corresponding path program 12 times [2022-11-22 02:47:03,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:03,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581113707] [2022-11-22 02:47:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:03,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:04,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:04,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581113707] [2022-11-22 02:47:04,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581113707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:04,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:04,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 02:47:04,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489364869] [2022-11-22 02:47:04,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:04,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 02:47:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 02:47:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:47:04,485 INFO L87 Difference]: Start difference. First operand 27 states and 38 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:04,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:04,882 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2022-11-22 02:47:04,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:47:04,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:04,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:04,883 INFO L225 Difference]: With dead ends: 35 [2022-11-22 02:47:04,883 INFO L226 Difference]: Without dead ends: 23 [2022-11-22 02:47:04,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:47:04,883 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:04,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:47:04,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-22 02:47:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-22 02:47:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-22 02:47:04,885 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 13 [2022-11-22 02:47:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:04,885 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-22 02:47:04,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-22 02:47:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:47:04,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:04,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:04,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-22 02:47:04,887 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 02:47:04,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:04,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1182333258, now seen corresponding path program 13 times [2022-11-22 02:47:04,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:04,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005585109] [2022-11-22 02:47:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:04,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:47:05,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:05,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005585109] [2022-11-22 02:47:05,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005585109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:05,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:05,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:47:05,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564694180] [2022-11-22 02:47:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:05,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:47:05,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:47:05,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:47:05,348 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:05,503 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-11-22 02:47:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:47:05,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:47:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:05,504 INFO L225 Difference]: With dead ends: 21 [2022-11-22 02:47:05,504 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:47:05,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:47:05,505 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:05,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:47:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:47:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:47:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:47:05,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-22 02:47:05,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:05,507 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:47:05,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:47:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:47:05,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:47:05,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-11-22 02:47:05,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-11-22 02:47:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 02:47:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 02:47:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 02:47:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 02:47:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 02:47:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 02:47:05,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-22 02:47:05,518 INFO L444 BasicCegarLoop]: Path program histogram: [13, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:05,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:47:05,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:47:05,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:47:05 BasicIcfg [2022-11-22 02:47:05,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:47:05,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:47:05,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:47:05,526 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:47:05,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:14" (3/4) ... [2022-11-22 02:47:05,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:47:05,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-22 02:47:05,547 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-22 02:47:05,548 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 02:47:05,548 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 02:47:05,548 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:47:05,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:47:05,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:47:05,586 INFO L158 Benchmark]: Toolchain (without parser) took 113655.46ms. Allocated memory was 151.0MB in the beginning and 497.0MB in the end (delta: 346.0MB). Free memory was 107.0MB in the beginning and 421.1MB in the end (delta: -314.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,586 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 151.0MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:47:05,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.21ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 106.7MB in the beginning and 158.0MB in the end (delta: -51.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.47ms. Allocated memory is still 197.1MB. Free memory was 158.0MB in the beginning and 154.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,587 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 151.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,588 INFO L158 Benchmark]: RCFGBuilder took 888.77ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 126.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,588 INFO L158 Benchmark]: TraceAbstraction took 111287.78ms. Allocated memory was 197.1MB in the beginning and 497.0MB in the end (delta: 299.9MB). Free memory was 125.4MB in the beginning and 424.2MB in the end (delta: -298.8MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,588 INFO L158 Benchmark]: Witness Printer took 59.97ms. Allocated memory is still 497.0MB. Free memory was 424.2MB in the beginning and 421.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:47:05,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 151.0MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1280.21ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 106.7MB in the beginning and 158.0MB in the end (delta: -51.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.47ms. Allocated memory is still 197.1MB. Free memory was 158.0MB in the beginning and 154.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 151.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.77ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 126.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 111287.78ms. Allocated memory was 197.1MB in the beginning and 497.0MB in the end (delta: 299.9MB). Free memory was 125.4MB in the beginning and 424.2MB in the end (delta: -298.8MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 59.97ms. Allocated memory is still 497.0MB. Free memory was 424.2MB in the beginning and 421.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.3s, 182 PlacesBefore, 33 PlacesAfterwards, 184 TransitionsBefore, 29 TransitionsAfterwards, 2596 CoEnabledTransitionPairs, 10 FixpointIterations, 111 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 29 ConcurrentYvCompositions, 6 ChoiceCompositions, 214 TotalNumberOfCompositions, 6825 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2795, independent: 2504, independent conditional: 0, independent unconditional: 2504, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 130, unknown conditional: 0, unknown unconditional: 130] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1811, independent: 1757, independent conditional: 0, independent unconditional: 1757, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1811, independent: 1745, independent conditional: 0, independent unconditional: 1745, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49114, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 48666, unknown conditional: 0, unknown unconditional: 48666] ], Cache Queries: [ total: 2795, independent: 747, independent conditional: 0, independent unconditional: 747, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 1918, unknown conditional: 0, unknown unconditional: 1918] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 8, Unknown conditional cache size: 0, Unknown unconditional cache size: 8 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 190 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 111.2s, OverallIterations: 42, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 70.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1326 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1326 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 505 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5031 IncrementalHoareTripleChecker+Invalid, 5536 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 505 mSolverCounterUnsat, 7 mSDtfsCounter, 5031 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=3, InterpolantAutomatonStates: 336, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 42 MinimizatonAttempts, 793 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 5915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 02:47:05,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc388f2f-54f6-42f7-bfd1-04843a3c32e4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE