./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI --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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- 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-5e519f3 [2022-11-03 01:40:12,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:40:12,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:40:12,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:40:12,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:40:12,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:40:12,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:40:12,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:40:12,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:40:12,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:40:12,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:40:12,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:40:12,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:40:12,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:40:12,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:40:12,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:40:12,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:40:12,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:40:12,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:40:12,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:40:12,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:40:12,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:40:12,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:40:12,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:40:12,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:40:12,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:40:12,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:40:12,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:40:12,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:40:12,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:40:12,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:40:12,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:40:12,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:40:12,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:40:12,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:40:12,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:40:12,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:40:12,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:40:12,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:40:12,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:40:12,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:40:12,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 01:40:12,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:40:12,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:40:12,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:40:12,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:40:12,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:40:12,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:40:12,558 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:40:12,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:40:12,558 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:40:12,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:40:12,559 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:40:12,560 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:40:12,560 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:40:12,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:40:12,560 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:40:12,561 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:40:12,561 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:40:12,561 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:40:12,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:40:12,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:40:12,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:40:12,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:40:12,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:40:12,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:40:12,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:40:12,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:40:12,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:40:12,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:40:12,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:40:12,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:40:12,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:40:12,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:40:12,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:40:12,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:40:12,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:40:12,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:40:12,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:40:12,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:40:12,567 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_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2022-11-03 01:40:12,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:40:12,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:40:12,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:40:12,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:40:12,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:40:12,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2022-11-03 01:40:13,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/data/a9785dd94/bce53b9baf8a4bf3aaed47deee4e061f/FLAG1e75648cc [2022-11-03 01:40:13,773 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:40:13,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2022-11-03 01:40:13,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/data/a9785dd94/bce53b9baf8a4bf3aaed47deee4e061f/FLAG1e75648cc [2022-11-03 01:40:13,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/data/a9785dd94/bce53b9baf8a4bf3aaed47deee4e061f [2022-11-03 01:40:13,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:40:13,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:40:13,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:40:13,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:40:13,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:40:13,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:40:13" (1/1) ... [2022-11-03 01:40:13,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4685f611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:13, skipping insertion in model container [2022-11-03 01:40:13,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:40:13" (1/1) ... [2022-11-03 01:40:13,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:40:14,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:40:14,308 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 01:40:14,964 WARN L230 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_577d361a-ca11-453b-9cf6-dbc4c2cdee86/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2022-11-03 01:40:15,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:40:15,012 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:40:15,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 01:40:15,061 WARN L230 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_577d361a-ca11-453b-9cf6-dbc4c2cdee86/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2022-11-03 01:40:15,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:40:15,215 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:40:15,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15 WrapperNode [2022-11-03 01:40:15,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:40:15,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:40:15,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:40:15,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:40:15,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,326 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-11-03 01:40:15,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:40:15,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:40:15,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:40:15,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:40:15,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:40:15,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:40:15,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:40:15,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:40:15,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (1/1) ... [2022-11-03 01:40:15,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:40:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:40:15,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:40:15,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:40:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 01:40:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:40:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:40:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:40:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-03 01:40:15,513 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-03 01:40:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:40:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:40:15,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:40:15,515 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:40:15,981 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:40:15,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:40:16,282 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:40:16,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:40:16,377 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:40:16,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:40:16 BoogieIcfgContainer [2022-11-03 01:40:16,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:40:16,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:40:16,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:40:16,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:40:16,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:40:13" (1/3) ... [2022-11-03 01:40:16,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706c645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:40:16, skipping insertion in model container [2022-11-03 01:40:16,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:15" (2/3) ... [2022-11-03 01:40:16,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706c645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:40:16, skipping insertion in model container [2022-11-03 01:40:16,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:40:16" (3/3) ... [2022-11-03 01:40:16,394 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2022-11-03 01:40:16,404 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:40:16,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:40:16,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 01:40:16,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:40:16,517 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-03 01:40:16,561 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:40:16,574 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 173 transitions, 362 flow [2022-11-03 01:40:16,577 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 173 transitions, 362 flow [2022-11-03 01:40:16,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 173 transitions, 362 flow [2022-11-03 01:40:16,669 INFO L130 PetriNetUnfolder]: 8/220 cut-off events. [2022-11-03 01:40:16,669 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-03 01:40:16,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 220 events. 8/220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 396 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 120. Up to 4 conditions per place. [2022-11-03 01:40:16,676 INFO L118 LiptonReduction]: Number of co-enabled transitions 3900 [2022-11-03 01:41:06,467 INFO L133 LiptonReduction]: Checked pairs total: 11018 [2022-11-03 01:41:06,467 INFO L135 LiptonReduction]: Total number of compositions: 180 [2022-11-03 01:41:06,476 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 38 transitions, 92 flow [2022-11-03 01:41:06,573 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 696 states, 676 states have (on average 2.764792899408284) internal successors, (1869), 695 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:06,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:41:06,614 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;@11c192de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:41:06,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-03 01:41:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 696 states, 676 states have (on average 2.764792899408284) internal successors, (1869), 695 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 01:41:06,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:06,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 01:41:06,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:06,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 621563415, now seen corresponding path program 1 times [2022-11-03 01:41:06,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:06,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075336805] [2022-11-03 01:41:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:07,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:07,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075336805] [2022-11-03 01:41:07,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075336805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:07,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:07,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:41:07,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587778070] [2022-11-03 01:41:07,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:07,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:41:07,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:07,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:41:07,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:41:07,960 INFO L87 Difference]: Start difference. First operand has 696 states, 676 states have (on average 2.764792899408284) internal successors, (1869), 695 states have internal predecessors, (1869), 0 states have call successors, (0), 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 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) [2022-11-03 01:41:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:08,254 INFO L93 Difference]: Finished difference Result 694 states and 1805 transitions. [2022-11-03 01:41:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:08,257 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 [2022-11-03 01:41:08,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:08,274 INFO L225 Difference]: With dead ends: 694 [2022-11-03 01:41:08,274 INFO L226 Difference]: Without dead ends: 636 [2022-11-03 01:41:08,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:08,279 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:08,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2022-11-03 01:41:08,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2022-11-03 01:41:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 620 states have (on average 2.643548387096774) internal successors, (1639), 635 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1639 transitions. [2022-11-03 01:41:08,372 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1639 transitions. Word has length 5 [2022-11-03 01:41:08,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:08,373 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 1639 transitions. [2022-11-03 01:41:08,373 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) [2022-11-03 01:41:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1639 transitions. [2022-11-03 01:41:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 01:41:08,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:08,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 01:41:08,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:41:08,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:08,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2088599370, now seen corresponding path program 1 times [2022-11-03 01:41:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:08,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020497738] [2022-11-03 01:41:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:08,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:09,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:09,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020497738] [2022-11-03 01:41:09,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020497738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:09,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:09,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437836113] [2022-11-03 01:41:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:09,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:41:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:41:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:41:09,036 INFO L87 Difference]: Start difference. First operand 636 states and 1639 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-11-03 01:41:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:09,359 INFO L93 Difference]: Finished difference Result 626 states and 1607 transitions. [2022-11-03 01:41:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:09,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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 [2022-11-03 01:41:09,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:09,364 INFO L225 Difference]: With dead ends: 626 [2022-11-03 01:41:09,364 INFO L226 Difference]: Without dead ends: 626 [2022-11-03 01:41:09,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:09,366 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:09,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-11-03 01:41:09,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-11-03 01:41:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 610 states have (on average 2.634426229508197) internal successors, (1607), 625 states have internal predecessors, (1607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 1607 transitions. [2022-11-03 01:41:09,396 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 1607 transitions. Word has length 6 [2022-11-03 01:41:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:09,397 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 1607 transitions. [2022-11-03 01:41:09,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2022-11-03 01:41:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1607 transitions. [2022-11-03 01:41:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 01:41:09,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:09,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:09,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:41:09,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash 303455472, now seen corresponding path program 1 times [2022-11-03 01:41:09,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:09,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012466800] [2022-11-03 01:41:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:09,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:09,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:09,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012466800] [2022-11-03 01:41:09,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012466800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:09,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:09,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281916508] [2022-11-03 01:41:09,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:09,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:41:09,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:41:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:41:09,949 INFO L87 Difference]: Start difference. First operand 626 states and 1607 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) [2022-11-03 01:41:10,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:10,186 INFO L93 Difference]: Finished difference Result 618 states and 1579 transitions. [2022-11-03 01:41:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:10,187 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 [2022-11-03 01:41:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:10,191 INFO L225 Difference]: With dead ends: 618 [2022-11-03 01:41:10,191 INFO L226 Difference]: Without dead ends: 618 [2022-11-03 01:41:10,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:10,192 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:10,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:10,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-11-03 01:41:10,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2022-11-03 01:41:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 602 states have (on average 2.622923588039867) internal successors, (1579), 617 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 1579 transitions. [2022-11-03 01:41:10,219 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 1579 transitions. Word has length 7 [2022-11-03 01:41:10,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:10,220 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 1579 transitions. [2022-11-03 01:41:10,220 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) [2022-11-03 01:41:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1579 transitions. [2022-11-03 01:41:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:10,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:10,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:10,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:41:10,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash 271087636, now seen corresponding path program 1 times [2022-11-03 01:41:10,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:10,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77913848] [2022-11-03 01:41:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:10,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:10,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:10,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77913848] [2022-11-03 01:41:10,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77913848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:10,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:10,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:41:10,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402136837] [2022-11-03 01:41:10,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:10,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:41:10,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:10,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:41:10,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:41:10,359 INFO L87 Difference]: Start difference. First operand 618 states and 1579 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-03 01:41:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:10,457 INFO L93 Difference]: Finished difference Result 398 states and 991 transitions. [2022-11-03 01:41:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:41:10,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 [2022-11-03 01:41:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:10,461 INFO L225 Difference]: With dead ends: 398 [2022-11-03 01:41:10,461 INFO L226 Difference]: Without dead ends: 398 [2022-11-03 01:41:10,461 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 [2022-11-03 01:41:10,462 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:10,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:41:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-03 01:41:10,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-11-03 01:41:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 390 states have (on average 2.541025641025641) internal successors, (991), 397 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 991 transitions. [2022-11-03 01:41:10,478 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 991 transitions. Word has length 9 [2022-11-03 01:41:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:10,478 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 991 transitions. [2022-11-03 01:41:10,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-03 01:41:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 991 transitions. [2022-11-03 01:41:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:10,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:10,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:41:10,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash 271088628, now seen corresponding path program 1 times [2022-11-03 01:41:10,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:10,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966654604] [2022-11-03 01:41:10,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:11,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:11,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966654604] [2022-11-03 01:41:11,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966654604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:11,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:11,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:11,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234104321] [2022-11-03 01:41:11,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:11,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:11,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:11,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:11,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:11,268 INFO L87 Difference]: Start difference. First operand 398 states and 991 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) [2022-11-03 01:41:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:11,571 INFO L93 Difference]: Finished difference Result 394 states and 979 transitions. [2022-11-03 01:41:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:11,572 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 [2022-11-03 01:41:11,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:11,574 INFO L225 Difference]: With dead ends: 394 [2022-11-03 01:41:11,574 INFO L226 Difference]: Without dead ends: 394 [2022-11-03 01:41:11,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:41:11,575 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:11,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:11,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-03 01:41:11,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2022-11-03 01:41:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 386 states have (on average 2.5362694300518136) internal successors, (979), 393 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 979 transitions. [2022-11-03 01:41:11,590 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 979 transitions. Word has length 9 [2022-11-03 01:41:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:11,591 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 979 transitions. [2022-11-03 01:41:11,591 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) [2022-11-03 01:41:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 979 transitions. [2022-11-03 01:41:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:11,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:11,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:11,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:41:11,593 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash 271085292, now seen corresponding path program 1 times [2022-11-03 01:41:11,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:11,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111235571] [2022-11-03 01:41:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:12,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:12,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111235571] [2022-11-03 01:41:12,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111235571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:12,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:12,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:12,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418094972] [2022-11-03 01:41:12,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:12,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:12,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:12,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:12,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:12,528 INFO L87 Difference]: Start difference. First operand 394 states and 979 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:13,120 INFO L93 Difference]: Finished difference Result 408 states and 1017 transitions. [2022-11-03 01:41:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:13,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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 [2022-11-03 01:41:13,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:13,124 INFO L225 Difference]: With dead ends: 408 [2022-11-03 01:41:13,124 INFO L226 Difference]: Without dead ends: 408 [2022-11-03 01:41:13,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:41:13,125 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 33 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:13,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:41:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-03 01:41:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2022-11-03 01:41:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 400 states have (on average 2.5425) internal successors, (1017), 407 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 1017 transitions. [2022-11-03 01:41:13,145 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 1017 transitions. Word has length 9 [2022-11-03 01:41:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:13,145 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 1017 transitions. [2022-11-03 01:41:13,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1017 transitions. [2022-11-03 01:41:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:13,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:13,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:13,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:41:13,153 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash 631153946, now seen corresponding path program 2 times [2022-11-03 01:41:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:13,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071206298] [2022-11-03 01:41:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:13,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:13,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:13,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071206298] [2022-11-03 01:41:13,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071206298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:13,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:13,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:13,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026900259] [2022-11-03 01:41:13,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:13,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:13,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:13,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:13,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:13,896 INFO L87 Difference]: Start difference. First operand 408 states and 1017 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:14,466 INFO L93 Difference]: Finished difference Result 434 states and 1091 transitions. [2022-11-03 01:41:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:14,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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 [2022-11-03 01:41:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:14,470 INFO L225 Difference]: With dead ends: 434 [2022-11-03 01:41:14,470 INFO L226 Difference]: Without dead ends: 434 [2022-11-03 01:41:14,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:41:14,471 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 34 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:14,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-11-03 01:41:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 416. [2022-11-03 01:41:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 408 states have (on average 2.551470588235294) internal successors, (1041), 415 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 1041 transitions. [2022-11-03 01:41:14,489 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 1041 transitions. Word has length 9 [2022-11-03 01:41:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:14,489 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 1041 transitions. [2022-11-03 01:41:14,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1041 transitions. [2022-11-03 01:41:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:14,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:14,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:14,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:41:14,491 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash -433774464, now seen corresponding path program 1 times [2022-11-03 01:41:14,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:14,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829114144] [2022-11-03 01:41:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:15,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:15,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829114144] [2022-11-03 01:41:15,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829114144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:15,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:15,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068691041] [2022-11-03 01:41:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:15,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:15,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:15,368 INFO L87 Difference]: Start difference. First operand 416 states and 1041 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) [2022-11-03 01:41:15,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:15,634 INFO L93 Difference]: Finished difference Result 422 states and 1059 transitions. [2022-11-03 01:41:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:15,634 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 [2022-11-03 01:41:15,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:15,637 INFO L225 Difference]: With dead ends: 422 [2022-11-03 01:41:15,637 INFO L226 Difference]: Without dead ends: 422 [2022-11-03 01:41:15,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:41:15,638 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 17 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:15,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-11-03 01:41:15,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 420. [2022-11-03 01:41:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 412 states have (on average 2.5558252427184467) internal successors, (1053), 419 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1053 transitions. [2022-11-03 01:41:15,653 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1053 transitions. Word has length 9 [2022-11-03 01:41:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:15,653 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 1053 transitions. [2022-11-03 01:41:15,653 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) [2022-11-03 01:41:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1053 transitions. [2022-11-03 01:41:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:15,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:15,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:15,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:41:15,655 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:15,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash -434206914, now seen corresponding path program 2 times [2022-11-03 01:41:15,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:15,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042647456] [2022-11-03 01:41:15,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:15,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:16,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:16,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042647456] [2022-11-03 01:41:16,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042647456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:16,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:16,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:16,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464623393] [2022-11-03 01:41:16,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:16,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:16,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:16,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:16,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:16,518 INFO L87 Difference]: Start difference. First operand 420 states and 1053 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) [2022-11-03 01:41:16,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:16,804 INFO L93 Difference]: Finished difference Result 416 states and 1041 transitions. [2022-11-03 01:41:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:16,807 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 [2022-11-03 01:41:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:16,809 INFO L225 Difference]: With dead ends: 416 [2022-11-03 01:41:16,809 INFO L226 Difference]: Without dead ends: 416 [2022-11-03 01:41:16,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:41:16,810 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 17 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:16,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-11-03 01:41:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 412. [2022-11-03 01:41:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 404 states have (on average 2.547029702970297) internal successors, (1029), 411 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1029 transitions. [2022-11-03 01:41:16,826 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1029 transitions. Word has length 9 [2022-11-03 01:41:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:16,827 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 1029 transitions. [2022-11-03 01:41:16,827 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) [2022-11-03 01:41:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1029 transitions. [2022-11-03 01:41:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:16,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:16,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:16,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:41:16,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:16,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -418686764, now seen corresponding path program 3 times [2022-11-03 01:41:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:16,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587513599] [2022-11-03 01:41:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:17,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:17,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587513599] [2022-11-03 01:41:17,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587513599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:17,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:17,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:17,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307512893] [2022-11-03 01:41:17,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:17,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:17,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:17,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:17,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:17,636 INFO L87 Difference]: Start difference. First operand 412 states and 1029 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:18,423 INFO L93 Difference]: Finished difference Result 432 states and 1085 transitions. [2022-11-03 01:41:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:41:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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 [2022-11-03 01:41:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:18,426 INFO L225 Difference]: With dead ends: 432 [2022-11-03 01:41:18,426 INFO L226 Difference]: Without dead ends: 432 [2022-11-03 01:41:18,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:41:18,427 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:18,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-11-03 01:41:18,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 406. [2022-11-03 01:41:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 398 states have (on average 2.540201005025126) internal successors, (1011), 405 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 1011 transitions. [2022-11-03 01:41:18,443 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 1011 transitions. Word has length 9 [2022-11-03 01:41:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:18,444 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 1011 transitions. [2022-11-03 01:41:18,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1011 transitions. [2022-11-03 01:41:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:41:18,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:18,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:18,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 01:41:18,446 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash -432986444, now seen corresponding path program 4 times [2022-11-03 01:41:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:18,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290202375] [2022-11-03 01:41:18,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:19,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:19,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290202375] [2022-11-03 01:41:19,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290202375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:19,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:19,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:19,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844399173] [2022-11-03 01:41:19,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:19,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:19,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:19,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:19,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:19,125 INFO L87 Difference]: Start difference. First operand 406 states and 1011 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:19,678 INFO L93 Difference]: Finished difference Result 382 states and 939 transitions. [2022-11-03 01:41:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:41:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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 [2022-11-03 01:41:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:19,681 INFO L225 Difference]: With dead ends: 382 [2022-11-03 01:41:19,682 INFO L226 Difference]: Without dead ends: 382 [2022-11-03 01:41:19,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:41:19,683 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 37 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:19,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 2 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:19,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-11-03 01:41:19,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 366. [2022-11-03 01:41:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 358 states have (on average 2.5) internal successors, (895), 365 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:19,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 895 transitions. [2022-11-03 01:41:19,697 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 895 transitions. Word has length 9 [2022-11-03 01:41:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:19,698 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 895 transitions. [2022-11-03 01:41:19,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 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) [2022-11-03 01:41:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 895 transitions. [2022-11-03 01:41:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:41:19,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:19,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:19,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 01:41:19,699 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:19,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:19,700 INFO L85 PathProgramCache]: Analyzing trace with hash -186192464, now seen corresponding path program 1 times [2022-11-03 01:41:19,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:19,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350014002] [2022-11-03 01:41:19,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:19,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:20,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:20,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350014002] [2022-11-03 01:41:20,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350014002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:20,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:20,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:20,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645147957] [2022-11-03 01:41:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:20,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:20,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:20,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:20,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:20,231 INFO L87 Difference]: Start difference. First operand 366 states and 895 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:20,577 INFO L93 Difference]: Finished difference Result 747 states and 1756 transitions. [2022-11-03 01:41:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:41:20,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:41:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:20,584 INFO L225 Difference]: With dead ends: 747 [2022-11-03 01:41:20,584 INFO L226 Difference]: Without dead ends: 731 [2022-11-03 01:41:20,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:20,585 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 122 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:20,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 6 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:20,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-11-03 01:41:20,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 452. [2022-11-03 01:41:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 444 states have (on average 2.59009009009009) internal successors, (1150), 451 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 1150 transitions. [2022-11-03 01:41:20,610 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 1150 transitions. Word has length 10 [2022-11-03 01:41:20,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:20,611 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 1150 transitions. [2022-11-03 01:41:20,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1150 transitions. [2022-11-03 01:41:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:41:20,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:20,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:20,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 01:41:20,612 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash -561681680, now seen corresponding path program 2 times [2022-11-03 01:41:20,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953935180] [2022-11-03 01:41:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:20,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:21,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:21,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953935180] [2022-11-03 01:41:21,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953935180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:21,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:21,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:21,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995467101] [2022-11-03 01:41:21,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:21,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:41:21,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:21,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:41:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:21,442 INFO L87 Difference]: Start difference. First operand 452 states and 1150 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:22,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:22,353 INFO L93 Difference]: Finished difference Result 539 states and 1382 transitions. [2022-11-03 01:41:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:41:22,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:41:22,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:22,357 INFO L225 Difference]: With dead ends: 539 [2022-11-03 01:41:22,358 INFO L226 Difference]: Without dead ends: 539 [2022-11-03 01:41:22,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:41:22,359 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 55 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:22,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 0 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-11-03 01:41:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 460. [2022-11-03 01:41:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 452 states have (on average 2.5973451327433628) internal successors, (1174), 459 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 1174 transitions. [2022-11-03 01:41:22,378 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 1174 transitions. Word has length 10 [2022-11-03 01:41:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:22,378 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 1174 transitions. [2022-11-03 01:41:22,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1174 transitions. [2022-11-03 01:41:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:41:22,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:22,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:22,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 01:41:22,380 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash -562110336, now seen corresponding path program 1 times [2022-11-03 01:41:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:22,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141093968] [2022-11-03 01:41:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:22,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:23,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:23,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141093968] [2022-11-03 01:41:23,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141093968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:23,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:23,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819713267] [2022-11-03 01:41:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:23,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:41:23,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:23,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:41:23,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:23,331 INFO L87 Difference]: Start difference. First operand 460 states and 1174 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:24,288 INFO L93 Difference]: Finished difference Result 549 states and 1409 transitions. [2022-11-03 01:41:24,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:41:24,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:41:24,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:24,292 INFO L225 Difference]: With dead ends: 549 [2022-11-03 01:41:24,292 INFO L226 Difference]: Without dead ends: 549 [2022-11-03 01:41:24,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:41:24,293 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 51 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:24,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 0 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-11-03 01:41:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 480. [2022-11-03 01:41:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 472 states have (on average 2.5953389830508473) internal successors, (1225), 479 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 1225 transitions. [2022-11-03 01:41:24,313 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 1225 transitions. Word has length 10 [2022-11-03 01:41:24,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:24,313 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 1225 transitions. [2022-11-03 01:41:24,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1225 transitions. [2022-11-03 01:41:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:41:24,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:24,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:24,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 01:41:24,315 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:24,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:24,316 INFO L85 PathProgramCache]: Analyzing trace with hash -569839640, now seen corresponding path program 3 times [2022-11-03 01:41:24,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:24,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232609959] [2022-11-03 01:41:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:24,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:24,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232609959] [2022-11-03 01:41:24,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232609959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:24,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:24,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:24,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916023805] [2022-11-03 01:41:24,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:24,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:24,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:24,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:24,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:24,877 INFO L87 Difference]: Start difference. First operand 480 states and 1225 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:25,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:25,278 INFO L93 Difference]: Finished difference Result 769 states and 1895 transitions. [2022-11-03 01:41:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:25,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:41:25,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:25,283 INFO L225 Difference]: With dead ends: 769 [2022-11-03 01:41:25,283 INFO L226 Difference]: Without dead ends: 741 [2022-11-03 01:41:25,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:25,284 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 118 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:25,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 3 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:25,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-03 01:41:25,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 464. [2022-11-03 01:41:25,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 456 states have (on average 2.5789473684210527) internal successors, (1176), 463 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1176 transitions. [2022-11-03 01:41:25,306 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1176 transitions. Word has length 10 [2022-11-03 01:41:25,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:25,308 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 1176 transitions. [2022-11-03 01:41:25,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1176 transitions. [2022-11-03 01:41:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:41:25,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:25,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:25,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 01:41:25,310 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:25,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -569853516, now seen corresponding path program 2 times [2022-11-03 01:41:25,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:25,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276926455] [2022-11-03 01:41:25,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:25,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:25,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276926455] [2022-11-03 01:41:25,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276926455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:25,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:25,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:25,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886421520] [2022-11-03 01:41:25,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:25,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:25,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:25,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:25,941 INFO L87 Difference]: Start difference. First operand 464 states and 1176 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:26,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:26,393 INFO L93 Difference]: Finished difference Result 730 states and 1814 transitions. [2022-11-03 01:41:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:26,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:41:26,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:26,397 INFO L225 Difference]: With dead ends: 730 [2022-11-03 01:41:26,397 INFO L226 Difference]: Without dead ends: 730 [2022-11-03 01:41:26,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:26,398 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 114 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:26,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 6 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:26,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-11-03 01:41:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 483. [2022-11-03 01:41:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 475 states have (on average 2.562105263157895) internal successors, (1217), 482 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 1217 transitions. [2022-11-03 01:41:26,420 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 1217 transitions. Word has length 10 [2022-11-03 01:41:26,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:26,421 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 1217 transitions. [2022-11-03 01:41:26,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1217 transitions. [2022-11-03 01:41:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:26,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:26,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:26,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 01:41:26,423 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:26,425 INFO L85 PathProgramCache]: Analyzing trace with hash 883166185, now seen corresponding path program 1 times [2022-11-03 01:41:26,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:26,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647837261] [2022-11-03 01:41:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:27,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:27,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647837261] [2022-11-03 01:41:27,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647837261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:27,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:27,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:27,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741316001] [2022-11-03 01:41:27,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:27,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:27,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:27,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:27,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:27,605 INFO L87 Difference]: Start difference. First operand 483 states and 1217 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:28,881 INFO L93 Difference]: Finished difference Result 738 states and 1718 transitions. [2022-11-03 01:41:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:41:28,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:28,886 INFO L225 Difference]: With dead ends: 738 [2022-11-03 01:41:28,886 INFO L226 Difference]: Without dead ends: 738 [2022-11-03 01:41:28,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:41:28,887 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 89 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:28,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 6 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:41:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2022-11-03 01:41:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 489. [2022-11-03 01:41:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 481 states have (on average 2.5592515592515594) internal successors, (1231), 488 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 1231 transitions. [2022-11-03 01:41:28,908 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 1231 transitions. Word has length 11 [2022-11-03 01:41:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:28,908 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 1231 transitions. [2022-11-03 01:41:28,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1231 transitions. [2022-11-03 01:41:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:28,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:28,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:28,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 01:41:28,910 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:28,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:28,911 INFO L85 PathProgramCache]: Analyzing trace with hash 883166186, now seen corresponding path program 1 times [2022-11-03 01:41:28,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:28,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518833871] [2022-11-03 01:41:28,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:28,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:29,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:29,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518833871] [2022-11-03 01:41:29,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518833871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:29,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:29,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:29,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283129059] [2022-11-03 01:41:29,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:29,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:29,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:29,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:29,804 INFO L87 Difference]: Start difference. First operand 489 states and 1231 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:31,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:31,121 INFO L93 Difference]: Finished difference Result 794 states and 1956 transitions. [2022-11-03 01:41:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 01:41:31,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:31,127 INFO L225 Difference]: With dead ends: 794 [2022-11-03 01:41:31,127 INFO L226 Difference]: Without dead ends: 794 [2022-11-03 01:41:31,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:41:31,128 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 121 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:31,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 6 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:41:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2022-11-03 01:41:31,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 523. [2022-11-03 01:41:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 515 states have (on average 2.541747572815534) internal successors, (1309), 522 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 1309 transitions. [2022-11-03 01:41:31,151 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 1309 transitions. Word has length 11 [2022-11-03 01:41:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:31,151 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 1309 transitions. [2022-11-03 01:41:31,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1309 transitions. [2022-11-03 01:41:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:31,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:31,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:31,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 01:41:31,153 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:31,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:31,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1128764860, now seen corresponding path program 2 times [2022-11-03 01:41:31,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:31,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133097107] [2022-11-03 01:41:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:31,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133097107] [2022-11-03 01:41:31,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133097107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:31,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:31,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:31,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049371288] [2022-11-03 01:41:31,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:31,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:31,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:31,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:31,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:31,613 INFO L87 Difference]: Start difference. First operand 523 states and 1309 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:32,166 INFO L93 Difference]: Finished difference Result 933 states and 2241 transitions. [2022-11-03 01:41:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:41:32,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:32,172 INFO L225 Difference]: With dead ends: 933 [2022-11-03 01:41:32,172 INFO L226 Difference]: Without dead ends: 933 [2022-11-03 01:41:32,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:41:32,173 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 131 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:32,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 16 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:41:32,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-11-03 01:41:32,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 686. [2022-11-03 01:41:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 678 states have (on average 2.622418879056047) internal successors, (1778), 685 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1778 transitions. [2022-11-03 01:41:32,202 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1778 transitions. Word has length 11 [2022-11-03 01:41:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:32,203 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1778 transitions. [2022-11-03 01:41:32,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1778 transitions. [2022-11-03 01:41:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:32,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:32,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:32,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 01:41:32,205 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:32,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:32,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1123878640, now seen corresponding path program 3 times [2022-11-03 01:41:32,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:32,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106597615] [2022-11-03 01:41:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:32,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:32,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:32,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106597615] [2022-11-03 01:41:32,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106597615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:32,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:32,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:32,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955889195] [2022-11-03 01:41:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:32,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:32,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:32,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:32,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:32,698 INFO L87 Difference]: Start difference. First operand 686 states and 1778 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:33,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:33,263 INFO L93 Difference]: Finished difference Result 991 states and 2357 transitions. [2022-11-03 01:41:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:41:33,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:33,270 INFO L225 Difference]: With dead ends: 991 [2022-11-03 01:41:33,270 INFO L226 Difference]: Without dead ends: 991 [2022-11-03 01:41:33,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:41:33,272 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 123 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:33,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 10 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:41:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-11-03 01:41:33,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 701. [2022-11-03 01:41:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 693 states have (on average 2.6176046176046177) internal successors, (1814), 700 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1814 transitions. [2022-11-03 01:41:33,308 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1814 transitions. Word has length 11 [2022-11-03 01:41:33,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:33,308 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 1814 transitions. [2022-11-03 01:41:33,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1814 transitions. [2022-11-03 01:41:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:33,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:33,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:33,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 01:41:33,310 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:33,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1476746372, now seen corresponding path program 1 times [2022-11-03 01:41:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:33,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928947174] [2022-11-03 01:41:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:34,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:34,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928947174] [2022-11-03 01:41:34,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928947174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:34,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:34,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:34,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016214004] [2022-11-03 01:41:34,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:34,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:34,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:34,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:34,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:34,423 INFO L87 Difference]: Start difference. First operand 701 states and 1814 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:35,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:35,542 INFO L93 Difference]: Finished difference Result 736 states and 1911 transitions. [2022-11-03 01:41:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:41:35,543 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:35,548 INFO L225 Difference]: With dead ends: 736 [2022-11-03 01:41:35,548 INFO L226 Difference]: Without dead ends: 736 [2022-11-03 01:41:35,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:41:35,549 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 58 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:35,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-11-03 01:41:35,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 717. [2022-11-03 01:41:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 709 states have (on average 2.6248236953455573) internal successors, (1861), 716 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1861 transitions. [2022-11-03 01:41:35,577 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1861 transitions. Word has length 11 [2022-11-03 01:41:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:35,581 INFO L495 AbstractCegarLoop]: Abstraction has 717 states and 1861 transitions. [2022-11-03 01:41:35,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1861 transitions. [2022-11-03 01:41:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:35,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:35,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:35,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 01:41:35,584 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:35,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:35,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1476746322, now seen corresponding path program 1 times [2022-11-03 01:41:35,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:35,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098227909] [2022-11-03 01:41:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:35,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:36,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:36,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098227909] [2022-11-03 01:41:36,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098227909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:36,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:36,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:36,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782081197] [2022-11-03 01:41:36,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:36,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:36,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:36,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:36,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:36,898 INFO L87 Difference]: Start difference. First operand 717 states and 1861 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:38,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:38,064 INFO L93 Difference]: Finished difference Result 726 states and 1878 transitions. [2022-11-03 01:41:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:41:38,065 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:38,070 INFO L225 Difference]: With dead ends: 726 [2022-11-03 01:41:38,070 INFO L226 Difference]: Without dead ends: 726 [2022-11-03 01:41:38,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:41:38,072 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 46 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:38,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:41:38,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-11-03 01:41:38,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 699. [2022-11-03 01:41:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 691 states have (on average 2.6049204052098407) internal successors, (1800), 698 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1800 transitions. [2022-11-03 01:41:38,104 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1800 transitions. Word has length 11 [2022-11-03 01:41:38,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:38,105 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 1800 transitions. [2022-11-03 01:41:38,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1800 transitions. [2022-11-03 01:41:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:38,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:38,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:38,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 01:41:38,107 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:38,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1480055045, now seen corresponding path program 1 times [2022-11-03 01:41:38,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:38,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984575954] [2022-11-03 01:41:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:39,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:39,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984575954] [2022-11-03 01:41:39,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984575954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:39,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:39,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:41:39,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212019411] [2022-11-03 01:41:39,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:39,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:41:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:39,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:41:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:39,064 INFO L87 Difference]: Start difference. First operand 699 states and 1800 transitions. Second operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:39,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:39,917 INFO L93 Difference]: Finished difference Result 782 states and 1949 transitions. [2022-11-03 01:41:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:41:39,918 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:39,922 INFO L225 Difference]: With dead ends: 782 [2022-11-03 01:41:39,923 INFO L226 Difference]: Without dead ends: 767 [2022-11-03 01:41:39,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:41:39,924 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 54 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:39,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 6 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-11-03 01:41:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 711. [2022-11-03 01:41:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 703 states have (on average 2.5988620199146517) internal successors, (1827), 710 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1827 transitions. [2022-11-03 01:41:39,951 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1827 transitions. Word has length 11 [2022-11-03 01:41:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:39,951 INFO L495 AbstractCegarLoop]: Abstraction has 711 states and 1827 transitions. [2022-11-03 01:41:39,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1827 transitions. [2022-11-03 01:41:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:39,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:39,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:39,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 01:41:39,954 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:39,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1480069975, now seen corresponding path program 2 times [2022-11-03 01:41:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:39,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803277540] [2022-11-03 01:41:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:40,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:40,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803277540] [2022-11-03 01:41:40,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803277540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:40,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:40,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:41:40,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359282499] [2022-11-03 01:41:40,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:40,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:41:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:41:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:40,950 INFO L87 Difference]: Start difference. First operand 711 states and 1827 transitions. Second operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:42,123 INFO L93 Difference]: Finished difference Result 869 states and 2118 transitions. [2022-11-03 01:41:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:41:42,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:42,130 INFO L225 Difference]: With dead ends: 869 [2022-11-03 01:41:42,130 INFO L226 Difference]: Without dead ends: 869 [2022-11-03 01:41:42,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:41:42,132 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 55 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:42,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 6 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:41:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2022-11-03 01:41:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 729. [2022-11-03 01:41:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 721 states have (on average 2.6019417475728157) internal successors, (1876), 728 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1876 transitions. [2022-11-03 01:41:42,160 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1876 transitions. Word has length 11 [2022-11-03 01:41:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:42,160 INFO L495 AbstractCegarLoop]: Abstraction has 729 states and 1876 transitions. [2022-11-03 01:41:42,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1876 transitions. [2022-11-03 01:41:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:42,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:42,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:42,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 01:41:42,163 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash 948537769, now seen corresponding path program 2 times [2022-11-03 01:41:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:42,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216368917] [2022-11-03 01:41:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:43,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:43,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216368917] [2022-11-03 01:41:43,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216368917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:43,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:43,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:43,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664276452] [2022-11-03 01:41:43,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:43,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:43,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:43,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:43,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:43,072 INFO L87 Difference]: Start difference. First operand 729 states and 1876 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:44,098 INFO L93 Difference]: Finished difference Result 813 states and 2021 transitions. [2022-11-03 01:41:44,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:41:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:44,103 INFO L225 Difference]: With dead ends: 813 [2022-11-03 01:41:44,103 INFO L226 Difference]: Without dead ends: 783 [2022-11-03 01:41:44,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:41:44,104 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 51 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:44,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 6 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:41:44,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-11-03 01:41:44,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 723. [2022-11-03 01:41:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 715 states have (on average 2.602797202797203) internal successors, (1861), 722 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1861 transitions. [2022-11-03 01:41:44,128 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1861 transitions. Word has length 11 [2022-11-03 01:41:44,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:44,129 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 1861 transitions. [2022-11-03 01:41:44,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1861 transitions. [2022-11-03 01:41:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:44,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:44,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:44,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 01:41:44,131 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:44,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:44,132 INFO L85 PathProgramCache]: Analyzing trace with hash 948522839, now seen corresponding path program 3 times [2022-11-03 01:41:44,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:44,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659019868] [2022-11-03 01:41:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:44,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:44,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:44,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659019868] [2022-11-03 01:41:44,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659019868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:44,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:44,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:44,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111763711] [2022-11-03 01:41:44,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:44,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:44,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:44,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:44,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:44,863 INFO L87 Difference]: Start difference. First operand 723 states and 1861 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:45,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:45,916 INFO L93 Difference]: Finished difference Result 891 states and 2167 transitions. [2022-11-03 01:41:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:41:45,917 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:45,922 INFO L225 Difference]: With dead ends: 891 [2022-11-03 01:41:45,922 INFO L226 Difference]: Without dead ends: 891 [2022-11-03 01:41:45,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:41:45,923 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 59 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:45,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 6 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:41:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-03 01:41:45,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 711. [2022-11-03 01:41:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 703 states have (on average 2.601706970128023) internal successors, (1829), 710 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1829 transitions. [2022-11-03 01:41:45,947 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1829 transitions. Word has length 11 [2022-11-03 01:41:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:45,948 INFO L495 AbstractCegarLoop]: Abstraction has 711 states and 1829 transitions. [2022-11-03 01:41:45,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1829 transitions. [2022-11-03 01:41:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:45,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:45,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:45,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 01:41:45,950 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:45,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:45,951 INFO L85 PathProgramCache]: Analyzing trace with hash -227051420, now seen corresponding path program 2 times [2022-11-03 01:41:45,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:45,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670940277] [2022-11-03 01:41:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:46,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:46,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670940277] [2022-11-03 01:41:46,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670940277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:46,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:46,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732367656] [2022-11-03 01:41:46,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:46,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:41:46,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:46,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:41:46,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:41:46,340 INFO L87 Difference]: Start difference. First operand 711 states and 1829 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:46,515 INFO L93 Difference]: Finished difference Result 801 states and 1925 transitions. [2022-11-03 01:41:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:46,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:46,520 INFO L225 Difference]: With dead ends: 801 [2022-11-03 01:41:46,520 INFO L226 Difference]: Without dead ends: 801 [2022-11-03 01:41:46,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:46,521 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 69 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 9 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:41:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-03 01:41:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 678. [2022-11-03 01:41:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 670 states have (on average 2.5313432835820895) internal successors, (1696), 677 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1696 transitions. [2022-11-03 01:41:46,557 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1696 transitions. Word has length 11 [2022-11-03 01:41:46,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:46,559 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1696 transitions. [2022-11-03 01:41:46,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1696 transitions. [2022-11-03 01:41:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:46,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:46,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:46,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 01:41:46,561 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:46,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash -241351100, now seen corresponding path program 3 times [2022-11-03 01:41:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:46,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590619715] [2022-11-03 01:41:46,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:46,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:47,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:47,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590619715] [2022-11-03 01:41:47,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590619715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:47,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:47,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:47,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739697776] [2022-11-03 01:41:47,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:47,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:47,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:47,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:47,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:47,479 INFO L87 Difference]: Start difference. First operand 678 states and 1696 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:48,367 INFO L93 Difference]: Finished difference Result 677 states and 1683 transitions. [2022-11-03 01:41:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:41:48,368 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:48,370 INFO L225 Difference]: With dead ends: 677 [2022-11-03 01:41:48,371 INFO L226 Difference]: Without dead ends: 677 [2022-11-03 01:41:48,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:41:48,372 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 47 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:48,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:41:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-11-03 01:41:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 664. [2022-11-03 01:41:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 656 states have (on average 2.5091463414634148) internal successors, (1646), 663 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1646 transitions. [2022-11-03 01:41:48,395 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1646 transitions. Word has length 11 [2022-11-03 01:41:48,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:48,396 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 1646 transitions. [2022-11-03 01:41:48,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1646 transitions. [2022-11-03 01:41:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:48,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:48,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:48,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 01:41:48,398 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:48,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:48,399 INFO L85 PathProgramCache]: Analyzing trace with hash 510411828, now seen corresponding path program 4 times [2022-11-03 01:41:48,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:48,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145163518] [2022-11-03 01:41:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:48,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:48,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145163518] [2022-11-03 01:41:48,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145163518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:48,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:48,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061852062] [2022-11-03 01:41:48,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:48,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:48,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:48,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:48,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:48,802 INFO L87 Difference]: Start difference. First operand 664 states and 1646 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:49,236 INFO L93 Difference]: Finished difference Result 780 states and 1801 transitions. [2022-11-03 01:41:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:49,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:49,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:49,240 INFO L225 Difference]: With dead ends: 780 [2022-11-03 01:41:49,240 INFO L226 Difference]: Without dead ends: 780 [2022-11-03 01:41:49,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:49,241 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 110 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:49,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 18 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:41:49,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2022-11-03 01:41:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 564. [2022-11-03 01:41:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 556 states have (on average 2.4010791366906474) internal successors, (1335), 563 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1335 transitions. [2022-11-03 01:41:49,259 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1335 transitions. Word has length 11 [2022-11-03 01:41:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:49,260 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 1335 transitions. [2022-11-03 01:41:49,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1335 transitions. [2022-11-03 01:41:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:49,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:49,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:49,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 01:41:49,262 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:49,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:49,262 INFO L85 PathProgramCache]: Analyzing trace with hash 511839427, now seen corresponding path program 3 times [2022-11-03 01:41:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:49,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690874487] [2022-11-03 01:41:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:50,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:50,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690874487] [2022-11-03 01:41:50,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690874487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:50,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:50,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:50,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36810377] [2022-11-03 01:41:50,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:50,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:50,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:50,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:50,126 INFO L87 Difference]: Start difference. First operand 564 states and 1335 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:51,231 INFO L93 Difference]: Finished difference Result 657 states and 1529 transitions. [2022-11-03 01:41:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 01:41:51,232 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:51,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:51,234 INFO L225 Difference]: With dead ends: 657 [2022-11-03 01:41:51,234 INFO L226 Difference]: Without dead ends: 627 [2022-11-03 01:41:51,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:41:51,236 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 61 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:51,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 6 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:41:51,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-11-03 01:41:51,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 564. [2022-11-03 01:41:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 556 states have (on average 2.4010791366906474) internal successors, (1335), 563 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1335 transitions. [2022-11-03 01:41:51,253 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1335 transitions. Word has length 11 [2022-11-03 01:41:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:51,254 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 1335 transitions. [2022-11-03 01:41:51,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1335 transitions. [2022-11-03 01:41:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:51,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:51,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:51,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 01:41:51,256 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash 511824497, now seen corresponding path program 4 times [2022-11-03 01:41:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266123943] [2022-11-03 01:41:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:52,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:52,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266123943] [2022-11-03 01:41:52,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266123943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:52,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:52,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:41:52,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3478623] [2022-11-03 01:41:52,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:52,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:41:52,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:52,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:41:52,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:52,057 INFO L87 Difference]: Start difference. First operand 564 states and 1335 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:52,991 INFO L93 Difference]: Finished difference Result 703 states and 1597 transitions. [2022-11-03 01:41:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:41:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:52,994 INFO L225 Difference]: With dead ends: 703 [2022-11-03 01:41:52,994 INFO L226 Difference]: Without dead ends: 703 [2022-11-03 01:41:52,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:41:52,995 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 61 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:52,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 6 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:41:52,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2022-11-03 01:41:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 546. [2022-11-03 01:41:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 538 states have (on average 2.399628252788104) internal successors, (1291), 545 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 1291 transitions. [2022-11-03 01:41:53,014 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 1291 transitions. Word has length 11 [2022-11-03 01:41:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:53,014 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 1291 transitions. [2022-11-03 01:41:53,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1291 transitions. [2022-11-03 01:41:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:53,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:53,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-03 01:41:53,018 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:53,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:53,018 INFO L85 PathProgramCache]: Analyzing trace with hash 874856003, now seen corresponding path program 4 times [2022-11-03 01:41:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:53,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596154236] [2022-11-03 01:41:53,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:53,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:53,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:53,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596154236] [2022-11-03 01:41:53,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596154236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:53,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:53,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:41:53,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313026123] [2022-11-03 01:41:53,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:53,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:41:53,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:53,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:41:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:41:53,664 INFO L87 Difference]: Start difference. First operand 546 states and 1291 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:54,781 INFO L93 Difference]: Finished difference Result 742 states and 1678 transitions. [2022-11-03 01:41:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:41:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:54,784 INFO L225 Difference]: With dead ends: 742 [2022-11-03 01:41:54,784 INFO L226 Difference]: Without dead ends: 700 [2022-11-03 01:41:54,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:41:54,785 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 61 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:54,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 12 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:41:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2022-11-03 01:41:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 561. [2022-11-03 01:41:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 553 states have (on average 2.390596745027125) internal successors, (1322), 560 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 1322 transitions. [2022-11-03 01:41:54,804 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 1322 transitions. Word has length 11 [2022-11-03 01:41:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:54,804 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 1322 transitions. [2022-11-03 01:41:54,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1322 transitions. [2022-11-03 01:41:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:41:54,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:54,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:54,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 01:41:54,807 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:54,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:54,807 INFO L85 PathProgramCache]: Analyzing trace with hash 870001403, now seen corresponding path program 5 times [2022-11-03 01:41:54,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:54,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699442920] [2022-11-03 01:41:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:54,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:55,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:55,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699442920] [2022-11-03 01:41:55,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699442920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:55,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:55,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:41:55,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659693770] [2022-11-03 01:41:55,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:55,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:41:55,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:55,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:41:55,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:41:55,657 INFO L87 Difference]: Start difference. First operand 561 states and 1322 transitions. Second operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:57,414 INFO L93 Difference]: Finished difference Result 628 states and 1476 transitions. [2022-11-03 01:41:57,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 01:41:57,415 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-11-03 01:41:57,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:57,416 INFO L225 Difference]: With dead ends: 628 [2022-11-03 01:41:57,416 INFO L226 Difference]: Without dead ends: 628 [2022-11-03 01:41:57,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:41:57,417 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 53 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:57,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 01:41:57,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-11-03 01:41:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 549. [2022-11-03 01:41:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 541 states have (on average 2.3955637707948245) internal successors, (1296), 548 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1296 transitions. [2022-11-03 01:41:57,431 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1296 transitions. Word has length 11 [2022-11-03 01:41:57,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:57,432 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 1296 transitions. [2022-11-03 01:41:57,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1296 transitions. [2022-11-03 01:41:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:41:57,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:57,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:57,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-03 01:41:57,433 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:57,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:57,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1465498884, now seen corresponding path program 1 times [2022-11-03 01:41:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:57,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481797028] [2022-11-03 01:41:57,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:57,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:57,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:57,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481797028] [2022-11-03 01:41:57,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481797028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:57,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:57,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:57,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497022916] [2022-11-03 01:41:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:57,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:41:57,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:57,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:41:57,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:57,937 INFO L87 Difference]: Start difference. First operand 549 states and 1296 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:58,269 INFO L93 Difference]: Finished difference Result 1051 states and 2418 transitions. [2022-11-03 01:41:58,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:41:58,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:41:58,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:58,272 INFO L225 Difference]: With dead ends: 1051 [2022-11-03 01:41:58,273 INFO L226 Difference]: Without dead ends: 1051 [2022-11-03 01:41:58,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:41:58,274 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 119 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:58,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 12 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:41:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-11-03 01:41:58,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 615. [2022-11-03 01:41:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 607 states have (on average 2.4942339373970346) internal successors, (1514), 614 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 1514 transitions. [2022-11-03 01:41:58,293 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 1514 transitions. Word has length 12 [2022-11-03 01:41:58,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:58,294 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 1514 transitions. [2022-11-03 01:41:58,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1514 transitions. [2022-11-03 01:41:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:41:58,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:58,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:58,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-03 01:41:58,296 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:58,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1465366874, now seen corresponding path program 1 times [2022-11-03 01:41:58,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:58,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775161007] [2022-11-03 01:41:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:41:58,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:58,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775161007] [2022-11-03 01:41:58,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775161007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:58,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:58,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:58,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3966655] [2022-11-03 01:41:58,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:58,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:41:58,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:58,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:41:58,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:41:58,858 INFO L87 Difference]: Start difference. First operand 615 states and 1514 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:59,041 INFO L93 Difference]: Finished difference Result 607 states and 1400 transitions. [2022-11-03 01:41:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:41:59,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:41:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:59,044 INFO L225 Difference]: With dead ends: 607 [2022-11-03 01:41:59,044 INFO L226 Difference]: Without dead ends: 607 [2022-11-03 01:41:59,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:59,045 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 86 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:59,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 10 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:41:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-11-03 01:41:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 573. [2022-11-03 01:41:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 565 states have (on average 2.384070796460177) internal successors, (1347), 572 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1347 transitions. [2022-11-03 01:41:59,060 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1347 transitions. Word has length 12 [2022-11-03 01:41:59,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:59,060 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 1347 transitions. [2022-11-03 01:41:59,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:41:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1347 transitions. [2022-11-03 01:41:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:41:59,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:59,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:41:59,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-03 01:41:59,062 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:41:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1108046702, now seen corresponding path program 2 times [2022-11-03 01:41:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931103627] [2022-11-03 01:41:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:59,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:00,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:00,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931103627] [2022-11-03 01:42:00,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931103627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:00,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:00,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332720518] [2022-11-03 01:42:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:00,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:00,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:00,255 INFO L87 Difference]: Start difference. First operand 573 states and 1347 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:02,505 INFO L93 Difference]: Finished difference Result 856 states and 1981 transitions. [2022-11-03 01:42:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 01:42:02,506 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:02,508 INFO L225 Difference]: With dead ends: 856 [2022-11-03 01:42:02,508 INFO L226 Difference]: Without dead ends: 856 [2022-11-03 01:42:02,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2022-11-03 01:42:02,509 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 101 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:02,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 0 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:42:02,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2022-11-03 01:42:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 584. [2022-11-03 01:42:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 576 states have (on average 2.3975694444444446) internal successors, (1381), 583 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1381 transitions. [2022-11-03 01:42:02,526 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1381 transitions. Word has length 12 [2022-11-03 01:42:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:02,526 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 1381 transitions. [2022-11-03 01:42:02,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1381 transitions. [2022-11-03 01:42:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:42:02,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:02,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:02,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-03 01:42:02,528 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:02,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:02,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1107914642, now seen corresponding path program 3 times [2022-11-03 01:42:02,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:02,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443405296] [2022-11-03 01:42:02,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:03,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:03,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443405296] [2022-11-03 01:42:03,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443405296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:03,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:03,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:42:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387744612] [2022-11-03 01:42:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:03,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:42:03,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:03,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:42:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:42:03,225 INFO L87 Difference]: Start difference. First operand 584 states and 1381 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:04,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:04,116 INFO L93 Difference]: Finished difference Result 959 states and 2022 transitions. [2022-11-03 01:42:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:42:04,116 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:04,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:04,119 INFO L225 Difference]: With dead ends: 959 [2022-11-03 01:42:04,119 INFO L226 Difference]: Without dead ends: 933 [2022-11-03 01:42:04,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:42:04,121 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 183 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:04,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 14 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:42:04,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-11-03 01:42:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 636. [2022-11-03 01:42:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 620 states have (on average 2.306451612903226) internal successors, (1430), 635 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1430 transitions. [2022-11-03 01:42:04,138 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1430 transitions. Word has length 12 [2022-11-03 01:42:04,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:04,139 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 1430 transitions. [2022-11-03 01:42:04,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1430 transitions. [2022-11-03 01:42:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:42:04,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:04,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:04,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-03 01:42:04,141 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:04,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:04,142 INFO L85 PathProgramCache]: Analyzing trace with hash 977995452, now seen corresponding path program 2 times [2022-11-03 01:42:04,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:04,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557030376] [2022-11-03 01:42:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:04,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:05,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:05,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557030376] [2022-11-03 01:42:05,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557030376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:05,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:05,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:05,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381110299] [2022-11-03 01:42:05,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:05,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:05,474 INFO L87 Difference]: Start difference. First operand 636 states and 1430 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:07,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:07,850 INFO L93 Difference]: Finished difference Result 790 states and 1791 transitions. [2022-11-03 01:42:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 01:42:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:07,852 INFO L225 Difference]: With dead ends: 790 [2022-11-03 01:42:07,853 INFO L226 Difference]: Without dead ends: 790 [2022-11-03 01:42:07,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:42:07,854 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 88 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:07,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 0 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 01:42:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2022-11-03 01:42:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 670. [2022-11-03 01:42:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 654 states have (on average 2.3226299694189603) internal successors, (1519), 669 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1519 transitions. [2022-11-03 01:42:07,870 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1519 transitions. Word has length 12 [2022-11-03 01:42:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:07,870 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 1519 transitions. [2022-11-03 01:42:07,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1519 transitions. [2022-11-03 01:42:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:42:07,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:07,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:07,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-03 01:42:07,872 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 855017832, now seen corresponding path program 3 times [2022-11-03 01:42:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:07,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741057299] [2022-11-03 01:42:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:07,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:08,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:08,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741057299] [2022-11-03 01:42:08,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741057299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:08,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:08,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691032337] [2022-11-03 01:42:08,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:08,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:08,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:08,808 INFO L87 Difference]: Start difference. First operand 670 states and 1519 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:10,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:10,631 INFO L93 Difference]: Finished difference Result 791 states and 1746 transitions. [2022-11-03 01:42:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:42:10,631 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:10,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:10,634 INFO L225 Difference]: With dead ends: 791 [2022-11-03 01:42:10,634 INFO L226 Difference]: Without dead ends: 779 [2022-11-03 01:42:10,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:42:10,635 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 102 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:10,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 0 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:42:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2022-11-03 01:42:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 584. [2022-11-03 01:42:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 568 states have (on average 2.204225352112676) internal successors, (1252), 583 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1252 transitions. [2022-11-03 01:42:10,648 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1252 transitions. Word has length 12 [2022-11-03 01:42:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:10,648 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 1252 transitions. [2022-11-03 01:42:10,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1252 transitions. [2022-11-03 01:42:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:42:10,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:10,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:10,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-03 01:42:10,651 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2130666104, now seen corresponding path program 4 times [2022-11-03 01:42:10,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511177850] [2022-11-03 01:42:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:11,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:11,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511177850] [2022-11-03 01:42:11,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511177850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:11,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:11,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789513204] [2022-11-03 01:42:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:11,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:11,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:11,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:11,565 INFO L87 Difference]: Start difference. First operand 584 states and 1252 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:13,381 INFO L93 Difference]: Finished difference Result 589 states and 1300 transitions. [2022-11-03 01:42:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 01:42:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:13,384 INFO L225 Difference]: With dead ends: 589 [2022-11-03 01:42:13,384 INFO L226 Difference]: Without dead ends: 589 [2022-11-03 01:42:13,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:42:13,385 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:13,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:42:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2022-11-03 01:42:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 464. [2022-11-03 01:42:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 459 states have (on average 2.150326797385621) internal successors, (987), 463 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 987 transitions. [2022-11-03 01:42:13,398 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 987 transitions. Word has length 12 [2022-11-03 01:42:13,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:13,398 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 987 transitions. [2022-11-03 01:42:13,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 987 transitions. [2022-11-03 01:42:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:42:13,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:13,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:13,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-03 01:42:13,400 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1445185513, now seen corresponding path program 1 times [2022-11-03 01:42:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:13,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340860720] [2022-11-03 01:42:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:13,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:13,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340860720] [2022-11-03 01:42:13,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340860720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:13,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:13,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:42:13,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164033482] [2022-11-03 01:42:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:13,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:42:13,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:13,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:42:13,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:42:13,939 INFO L87 Difference]: Start difference. First operand 464 states and 987 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:14,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:14,737 INFO L93 Difference]: Finished difference Result 737 states and 1460 transitions. [2022-11-03 01:42:14,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:42:14,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-11-03 01:42:14,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:14,740 INFO L225 Difference]: With dead ends: 737 [2022-11-03 01:42:14,740 INFO L226 Difference]: Without dead ends: 737 [2022-11-03 01:42:14,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:42:14,741 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 113 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:14,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 9 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:14,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-03 01:42:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 446. [2022-11-03 01:42:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 441 states have (on average 2.1564625850340136) internal successors, (951), 445 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 951 transitions. [2022-11-03 01:42:14,768 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 951 transitions. Word has length 12 [2022-11-03 01:42:14,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:14,768 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 951 transitions. [2022-11-03 01:42:14,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 951 transitions. [2022-11-03 01:42:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:42:14,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:14,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:14,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-03 01:42:14,770 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash -11616317, now seen corresponding path program 1 times [2022-11-03 01:42:14,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:14,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119713597] [2022-11-03 01:42:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:15,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:15,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119713597] [2022-11-03 01:42:15,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119713597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:15,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:15,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:42:15,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128283857] [2022-11-03 01:42:15,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:15,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:42:15,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:15,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:42:15,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:42:15,745 INFO L87 Difference]: Start difference. First operand 446 states and 951 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2022-11-03 01:42:16,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:16,465 INFO L93 Difference]: Finished difference Result 543 states and 1116 transitions. [2022-11-03 01:42:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:42:16,465 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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 [2022-11-03 01:42:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:16,467 INFO L225 Difference]: With dead ends: 543 [2022-11-03 01:42:16,467 INFO L226 Difference]: Without dead ends: 531 [2022-11-03 01:42:16,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:42:16,468 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 60 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:16,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:16,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-11-03 01:42:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 436. [2022-11-03 01:42:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 431 states have (on average 2.1577726218097446) internal successors, (930), 435 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 930 transitions. [2022-11-03 01:42:16,479 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 930 transitions. Word has length 13 [2022-11-03 01:42:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:16,480 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 930 transitions. [2022-11-03 01:42:16,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2022-11-03 01:42:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 930 transitions. [2022-11-03 01:42:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:42:16,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:16,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:16,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-03 01:42:16,482 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:16,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash -10188717, now seen corresponding path program 1 times [2022-11-03 01:42:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:16,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031621178] [2022-11-03 01:42:16,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:17,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:17,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031621178] [2022-11-03 01:42:17,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031621178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:17,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:17,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:17,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732286512] [2022-11-03 01:42:17,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:17,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:17,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:17,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:17,310 INFO L87 Difference]: Start difference. First operand 436 states and 930 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2022-11-03 01:42:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:18,517 INFO L93 Difference]: Finished difference Result 564 states and 1178 transitions. [2022-11-03 01:42:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:42:18,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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 [2022-11-03 01:42:18,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:18,519 INFO L225 Difference]: With dead ends: 564 [2022-11-03 01:42:18,519 INFO L226 Difference]: Without dead ends: 504 [2022-11-03 01:42:18,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:42:18,520 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:18,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 3 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-11-03 01:42:18,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 433. [2022-11-03 01:42:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 428 states have (on average 2.142523364485981) internal successors, (917), 432 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 917 transitions. [2022-11-03 01:42:18,532 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 917 transitions. Word has length 13 [2022-11-03 01:42:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:18,533 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 917 transitions. [2022-11-03 01:42:18,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2022-11-03 01:42:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 917 transitions. [2022-11-03 01:42:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:42:18,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:18,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:18,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-03 01:42:18,535 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:18,536 INFO L85 PathProgramCache]: Analyzing trace with hash 352827859, now seen corresponding path program 2 times [2022-11-03 01:42:18,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:18,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813381890] [2022-11-03 01:42:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:18,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:18,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813381890] [2022-11-03 01:42:18,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813381890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:18,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:18,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:42:18,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558669339] [2022-11-03 01:42:18,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:18,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:42:18,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:42:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:18,828 INFO L87 Difference]: Start difference. First operand 433 states and 917 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-03 01:42:18,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:18,957 INFO L93 Difference]: Finished difference Result 250 states and 440 transitions. [2022-11-03 01:42:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:18,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 [2022-11-03 01:42:18,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:18,959 INFO L225 Difference]: With dead ends: 250 [2022-11-03 01:42:18,959 INFO L226 Difference]: Without dead ends: 250 [2022-11-03 01:42:18,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:42:18,960 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 53 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:18,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 11 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:42:18,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-03 01:42:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 245. [2022-11-03 01:42:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 241 states have (on average 1.7883817427385893) internal successors, (431), 244 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 431 transitions. [2022-11-03 01:42:18,966 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 431 transitions. Word has length 13 [2022-11-03 01:42:18,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:18,966 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 431 transitions. [2022-11-03 01:42:18,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-03 01:42:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 431 transitions. [2022-11-03 01:42:18,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:18,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:18,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:18,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-03 01:42:18,968 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:18,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:18,968 INFO L85 PathProgramCache]: Analyzing trace with hash -464737192, now seen corresponding path program 1 times [2022-11-03 01:42:18,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:18,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166905475] [2022-11-03 01:42:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:20,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:20,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166905475] [2022-11-03 01:42:20,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166905475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:20,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:20,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815627354] [2022-11-03 01:42:20,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:20,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:20,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:20,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:20,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:20,187 INFO L87 Difference]: Start difference. First operand 245 states and 431 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:22,284 INFO L93 Difference]: Finished difference Result 295 states and 514 transitions. [2022-11-03 01:42:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-03 01:42:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:22,286 INFO L225 Difference]: With dead ends: 295 [2022-11-03 01:42:22,286 INFO L226 Difference]: Without dead ends: 295 [2022-11-03 01:42:22,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 01:42:22,287 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 91 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:22,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 1 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:42:22,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-11-03 01:42:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 259. [2022-11-03 01:42:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 255 states have (on average 1.796078431372549) internal successors, (458), 258 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 458 transitions. [2022-11-03 01:42:22,294 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 458 transitions. Word has length 14 [2022-11-03 01:42:22,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:22,294 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 458 transitions. [2022-11-03 01:42:22,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 458 transitions. [2022-11-03 01:42:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:22,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:22,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:22,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-03 01:42:22,296 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:22,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:22,297 INFO L85 PathProgramCache]: Analyzing trace with hash -464737191, now seen corresponding path program 1 times [2022-11-03 01:42:22,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:22,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350324868] [2022-11-03 01:42:22,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:22,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:23,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:23,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350324868] [2022-11-03 01:42:23,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350324868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:23,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:23,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:23,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841579831] [2022-11-03 01:42:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:23,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:23,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:23,218 INFO L87 Difference]: Start difference. First operand 259 states and 458 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:24,504 INFO L93 Difference]: Finished difference Result 365 states and 628 transitions. [2022-11-03 01:42:24,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:42:24,504 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:24,505 INFO L225 Difference]: With dead ends: 365 [2022-11-03 01:42:24,506 INFO L226 Difference]: Without dead ends: 365 [2022-11-03 01:42:24,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-11-03 01:42:24,507 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 137 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:24,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 6 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-03 01:42:24,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 251. [2022-11-03 01:42:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.7894736842105263) internal successors, (442), 250 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 442 transitions. [2022-11-03 01:42:24,513 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 442 transitions. Word has length 14 [2022-11-03 01:42:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 442 transitions. [2022-11-03 01:42:24,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 442 transitions. [2022-11-03 01:42:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:24,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:24,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:24,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-03 01:42:24,515 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:24,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash -511643602, now seen corresponding path program 2 times [2022-11-03 01:42:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:24,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280554395] [2022-11-03 01:42:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:25,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:25,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280554395] [2022-11-03 01:42:25,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280554395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:25,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:25,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:25,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999165249] [2022-11-03 01:42:25,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:25,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:25,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:25,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:25,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:25,662 INFO L87 Difference]: Start difference. First operand 251 states and 442 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:26,838 INFO L93 Difference]: Finished difference Result 281 states and 489 transitions. [2022-11-03 01:42:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:42:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:26,843 INFO L225 Difference]: With dead ends: 281 [2022-11-03 01:42:26,843 INFO L226 Difference]: Without dead ends: 281 [2022-11-03 01:42:26,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:42:26,845 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 59 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:26,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-11-03 01:42:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 265. [2022-11-03 01:42:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 261 states have (on average 1.789272030651341) internal successors, (467), 264 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 467 transitions. [2022-11-03 01:42:26,852 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 467 transitions. Word has length 14 [2022-11-03 01:42:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:26,852 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 467 transitions. [2022-11-03 01:42:26,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 467 transitions. [2022-11-03 01:42:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:26,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:26,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:26,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-03 01:42:26,855 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:26,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:26,856 INFO L85 PathProgramCache]: Analyzing trace with hash 477884338, now seen corresponding path program 3 times [2022-11-03 01:42:26,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:26,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788341961] [2022-11-03 01:42:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:27,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:27,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788341961] [2022-11-03 01:42:27,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788341961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:27,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:27,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:42:27,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249962342] [2022-11-03 01:42:27,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:27,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:42:27,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:27,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:42:27,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:42:27,449 INFO L87 Difference]: Start difference. First operand 265 states and 467 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:28,100 INFO L93 Difference]: Finished difference Result 382 states and 656 transitions. [2022-11-03 01:42:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:42:28,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:28,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:28,102 INFO L225 Difference]: With dead ends: 382 [2022-11-03 01:42:28,102 INFO L226 Difference]: Without dead ends: 382 [2022-11-03 01:42:28,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:42:28,103 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 51 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:28,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 8 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:28,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-11-03 01:42:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 273. [2022-11-03 01:42:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 269 states have (on average 1.79182156133829) internal successors, (482), 272 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 482 transitions. [2022-11-03 01:42:28,111 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 482 transitions. Word has length 14 [2022-11-03 01:42:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:28,112 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 482 transitions. [2022-11-03 01:42:28,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 482 transitions. [2022-11-03 01:42:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:28,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:28,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:28,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-03 01:42:28,114 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1041047272, now seen corresponding path program 4 times [2022-11-03 01:42:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:28,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661808521] [2022-11-03 01:42:28,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:29,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:29,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661808521] [2022-11-03 01:42:29,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661808521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:29,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:29,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:29,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785063948] [2022-11-03 01:42:29,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:29,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:29,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:29,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:29,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:29,220 INFO L87 Difference]: Start difference. First operand 273 states and 482 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:30,363 INFO L93 Difference]: Finished difference Result 390 states and 670 transitions. [2022-11-03 01:42:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 01:42:30,363 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:30,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:30,364 INFO L225 Difference]: With dead ends: 390 [2022-11-03 01:42:30,365 INFO L226 Difference]: Without dead ends: 390 [2022-11-03 01:42:30,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-11-03 01:42:30,365 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 63 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:30,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 3 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:30,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-11-03 01:42:30,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 271. [2022-11-03 01:42:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 267 states have (on average 1.7902621722846441) internal successors, (478), 270 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:30,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 478 transitions. [2022-11-03 01:42:30,373 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 478 transitions. Word has length 14 [2022-11-03 01:42:30,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:30,374 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 478 transitions. [2022-11-03 01:42:30,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 478 transitions. [2022-11-03 01:42:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:30,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:30,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:30,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-03 01:42:30,375 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:30,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1606111014, now seen corresponding path program 5 times [2022-11-03 01:42:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:30,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413350815] [2022-11-03 01:42:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:31,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:31,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413350815] [2022-11-03 01:42:31,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413350815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:31,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:31,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:42:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203350816] [2022-11-03 01:42:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:31,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:42:31,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:31,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:42:31,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:42:31,163 INFO L87 Difference]: Start difference. First operand 271 states and 478 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:32,078 INFO L93 Difference]: Finished difference Result 478 states and 815 transitions. [2022-11-03 01:42:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 01:42:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:32,079 INFO L225 Difference]: With dead ends: 478 [2022-11-03 01:42:32,079 INFO L226 Difference]: Without dead ends: 478 [2022-11-03 01:42:32,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:42:32,080 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 103 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:32,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 10 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:42:32,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-11-03 01:42:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 267. [2022-11-03 01:42:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 263 states have (on average 1.7870722433460076) internal successors, (470), 266 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 470 transitions. [2022-11-03 01:42:32,087 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 470 transitions. Word has length 14 [2022-11-03 01:42:32,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:32,087 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 470 transitions. [2022-11-03 01:42:32,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 470 transitions. [2022-11-03 01:42:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:32,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:32,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:32,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-03 01:42:32,089 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:32,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1960271048, now seen corresponding path program 6 times [2022-11-03 01:42:32,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:32,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583895060] [2022-11-03 01:42:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:33,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:33,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583895060] [2022-11-03 01:42:33,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583895060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:33,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:33,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140356196] [2022-11-03 01:42:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:33,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:33,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:33,095 INFO L87 Difference]: Start difference. First operand 267 states and 470 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:33,972 INFO L93 Difference]: Finished difference Result 286 states and 496 transitions. [2022-11-03 01:42:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:42:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:33,973 INFO L225 Difference]: With dead ends: 286 [2022-11-03 01:42:33,973 INFO L226 Difference]: Without dead ends: 286 [2022-11-03 01:42:33,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:42:33,974 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:33,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-03 01:42:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 259. [2022-11-03 01:42:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 255 states have (on average 1.780392156862745) internal successors, (454), 258 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 454 transitions. [2022-11-03 01:42:33,980 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 454 transitions. Word has length 14 [2022-11-03 01:42:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:33,980 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 454 transitions. [2022-11-03 01:42:33,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 454 transitions. [2022-11-03 01:42:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:33,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:33,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-03 01:42:33,982 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:33,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:33,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1852785064, now seen corresponding path program 7 times [2022-11-03 01:42:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:33,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883882842] [2022-11-03 01:42:33,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:34,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:34,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883882842] [2022-11-03 01:42:34,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883882842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:34,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:34,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668665123] [2022-11-03 01:42:34,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:34,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:34,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:34,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:34,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:34,776 INFO L87 Difference]: Start difference. First operand 259 states and 454 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:35,617 INFO L93 Difference]: Finished difference Result 364 states and 622 transitions. [2022-11-03 01:42:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:42:35,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:35,618 INFO L225 Difference]: With dead ends: 364 [2022-11-03 01:42:35,618 INFO L226 Difference]: Without dead ends: 364 [2022-11-03 01:42:35,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:42:35,619 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 68 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:35,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 3 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-11-03 01:42:35,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 282. [2022-11-03 01:42:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 278 states have (on average 1.79136690647482) internal successors, (498), 281 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 498 transitions. [2022-11-03 01:42:35,627 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 498 transitions. Word has length 14 [2022-11-03 01:42:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:35,627 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 498 transitions. [2022-11-03 01:42:35,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 498 transitions. [2022-11-03 01:42:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:35,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:35,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:35,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-03 01:42:35,628 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:35,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:35,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2099042229, now seen corresponding path program 1 times [2022-11-03 01:42:35,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:35,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952440274] [2022-11-03 01:42:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:36,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:36,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952440274] [2022-11-03 01:42:36,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952440274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:36,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:36,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:42:36,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217653785] [2022-11-03 01:42:36,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:36,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:42:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:36,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:42:36,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:42:36,547 INFO L87 Difference]: Start difference. First operand 282 states and 498 transitions. Second operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:37,538 INFO L93 Difference]: Finished difference Result 299 states and 529 transitions. [2022-11-03 01:42:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:42:37,539 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:37,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:37,540 INFO L225 Difference]: With dead ends: 299 [2022-11-03 01:42:37,540 INFO L226 Difference]: Without dead ends: 295 [2022-11-03 01:42:37,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2022-11-03 01:42:37,540 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 36 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:37,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:37,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-11-03 01:42:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 283. [2022-11-03 01:42:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 279 states have (on average 1.7956989247311828) internal successors, (501), 282 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 501 transitions. [2022-11-03 01:42:37,547 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 501 transitions. Word has length 14 [2022-11-03 01:42:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:37,548 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 501 transitions. [2022-11-03 01:42:37,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 501 transitions. [2022-11-03 01:42:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:37,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:37,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:37,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-03 01:42:37,550 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2136636911, now seen corresponding path program 2 times [2022-11-03 01:42:37,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:37,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752136282] [2022-11-03 01:42:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:37,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:38,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:38,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752136282] [2022-11-03 01:42:38,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752136282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:38,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:38,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975212161] [2022-11-03 01:42:38,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:38,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:38,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:38,419 INFO L87 Difference]: Start difference. First operand 283 states and 501 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:39,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:39,127 INFO L93 Difference]: Finished difference Result 334 states and 572 transitions. [2022-11-03 01:42:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:42:39,127 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:39,128 INFO L225 Difference]: With dead ends: 334 [2022-11-03 01:42:39,129 INFO L226 Difference]: Without dead ends: 334 [2022-11-03 01:42:39,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:42:39,130 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 64 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:39,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:39,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-03 01:42:39,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 252. [2022-11-03 01:42:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 248 states have (on average 1.778225806451613) internal successors, (441), 251 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 441 transitions. [2022-11-03 01:42:39,136 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 441 transitions. Word has length 14 [2022-11-03 01:42:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:39,137 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 441 transitions. [2022-11-03 01:42:39,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 441 transitions. [2022-11-03 01:42:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:39,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:39,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:39,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-03 01:42:39,138 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:39,139 INFO L85 PathProgramCache]: Analyzing trace with hash 546294762, now seen corresponding path program 8 times [2022-11-03 01:42:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:39,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197902065] [2022-11-03 01:42:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:40,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:40,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197902065] [2022-11-03 01:42:40,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197902065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:40,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:40,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970061907] [2022-11-03 01:42:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:40,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:40,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:40,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:40,387 INFO L87 Difference]: Start difference. First operand 252 states and 441 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:41,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:41,526 INFO L93 Difference]: Finished difference Result 267 states and 466 transitions. [2022-11-03 01:42:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 01:42:41,527 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:41,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:41,528 INFO L225 Difference]: With dead ends: 267 [2022-11-03 01:42:41,528 INFO L226 Difference]: Without dead ends: 267 [2022-11-03 01:42:41,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2022-11-03 01:42:41,528 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 53 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:41,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:42:41,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-03 01:42:41,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 248. [2022-11-03 01:42:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.7745901639344261) internal successors, (433), 247 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 433 transitions. [2022-11-03 01:42:41,534 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 433 transitions. Word has length 14 [2022-11-03 01:42:41,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:41,535 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 433 transitions. [2022-11-03 01:42:41,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 433 transitions. [2022-11-03 01:42:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:41,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:41,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:41,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-03 01:42:41,536 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:41,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:41,537 INFO L85 PathProgramCache]: Analyzing trace with hash 499388352, now seen corresponding path program 9 times [2022-11-03 01:42:41,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:41,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439321006] [2022-11-03 01:42:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:42,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:42,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439321006] [2022-11-03 01:42:42,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439321006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:42,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:42,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:42,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102080262] [2022-11-03 01:42:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:42,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:42,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:42,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:42,753 INFO L87 Difference]: Start difference. First operand 248 states and 433 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:43,774 INFO L93 Difference]: Finished difference Result 256 states and 445 transitions. [2022-11-03 01:42:43,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:42:43,774 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:43,775 INFO L225 Difference]: With dead ends: 256 [2022-11-03 01:42:43,775 INFO L226 Difference]: Without dead ends: 256 [2022-11-03 01:42:43,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:42:43,776 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:43,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-03 01:42:43,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 235. [2022-11-03 01:42:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 231 states have (on average 1.774891774891775) internal successors, (410), 234 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 410 transitions. [2022-11-03 01:42:43,782 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 410 transitions. Word has length 14 [2022-11-03 01:42:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:43,782 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 410 transitions. [2022-11-03 01:42:43,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 410 transitions. [2022-11-03 01:42:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:43,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:43,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:43,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-03 01:42:43,784 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:43,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:43,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1597572417, now seen corresponding path program 2 times [2022-11-03 01:42:43,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:43,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678251381] [2022-11-03 01:42:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:43,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:44,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:44,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678251381] [2022-11-03 01:42:44,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678251381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:44,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:44,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:44,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732358861] [2022-11-03 01:42:44,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:44,740 INFO L87 Difference]: Start difference. First operand 235 states and 410 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:45,573 INFO L93 Difference]: Finished difference Result 302 states and 516 transitions. [2022-11-03 01:42:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 01:42:45,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:45,575 INFO L225 Difference]: With dead ends: 302 [2022-11-03 01:42:45,575 INFO L226 Difference]: Without dead ends: 271 [2022-11-03 01:42:45,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:42:45,576 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 46 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:45,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 3 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-11-03 01:42:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 232. [2022-11-03 01:42:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 228 states have (on average 1.7675438596491229) internal successors, (403), 231 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 403 transitions. [2022-11-03 01:42:45,582 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 403 transitions. Word has length 14 [2022-11-03 01:42:45,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:45,583 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 403 transitions. [2022-11-03 01:42:45,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 403 transitions. [2022-11-03 01:42:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:45,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:45,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:45,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-03 01:42:45,585 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:45,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:45,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1455366999, now seen corresponding path program 3 times [2022-11-03 01:42:45,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:45,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223017142] [2022-11-03 01:42:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:46,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:46,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223017142] [2022-11-03 01:42:46,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223017142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:46,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:46,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026296485] [2022-11-03 01:42:46,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:46,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:46,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:46,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:46,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:46,782 INFO L87 Difference]: Start difference. First operand 232 states and 403 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:47,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:47,574 INFO L93 Difference]: Finished difference Result 264 states and 459 transitions. [2022-11-03 01:42:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 01:42:47,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:47,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:47,575 INFO L225 Difference]: With dead ends: 264 [2022-11-03 01:42:47,576 INFO L226 Difference]: Without dead ends: 264 [2022-11-03 01:42:47,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:42:47,577 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 37 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:47,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 3 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:42:47,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-03 01:42:47,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 228. [2022-11-03 01:42:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 224 states have (on average 1.7723214285714286) internal successors, (397), 227 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 397 transitions. [2022-11-03 01:42:47,583 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 397 transitions. Word has length 14 [2022-11-03 01:42:47,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:47,583 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 397 transitions. [2022-11-03 01:42:47,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 397 transitions. [2022-11-03 01:42:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:42:47,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:47,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:47,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-03 01:42:47,585 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:47,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:47,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1455395829, now seen corresponding path program 4 times [2022-11-03 01:42:47,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:47,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285961193] [2022-11-03 01:42:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:47,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:48,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:48,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285961193] [2022-11-03 01:42:48,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285961193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:48,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:48,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:48,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874291513] [2022-11-03 01:42:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:48,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:48,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:48,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:48,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:48,742 INFO L87 Difference]: Start difference. First operand 228 states and 397 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:49,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:49,806 INFO L93 Difference]: Finished difference Result 245 states and 427 transitions. [2022-11-03 01:42:49,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:42:49,807 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-11-03 01:42:49,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:49,807 INFO L225 Difference]: With dead ends: 245 [2022-11-03 01:42:49,807 INFO L226 Difference]: Without dead ends: 239 [2022-11-03 01:42:49,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:42:49,808 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 28 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:49,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:49,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-03 01:42:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2022-11-03 01:42:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 217 states have (on average 1.7788018433179724) internal successors, (386), 220 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 386 transitions. [2022-11-03 01:42:49,812 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 386 transitions. Word has length 14 [2022-11-03 01:42:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:49,813 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 386 transitions. [2022-11-03 01:42:49,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 386 transitions. [2022-11-03 01:42:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:42:49,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:49,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:49,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-03 01:42:49,814 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:49,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:49,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1318913682, now seen corresponding path program 1 times [2022-11-03 01:42:49,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:49,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742693232] [2022-11-03 01:42:49,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:49,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:50,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742693232] [2022-11-03 01:42:50,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742693232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:50,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:50,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:42:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284636434] [2022-11-03 01:42:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:50,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:42:50,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:42:50,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:42:50,305 INFO L87 Difference]: Start difference. First operand 221 states and 386 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:50,608 INFO L93 Difference]: Finished difference Result 264 states and 443 transitions. [2022-11-03 01:42:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:42:50,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:42:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:50,610 INFO L225 Difference]: With dead ends: 264 [2022-11-03 01:42:50,610 INFO L226 Difference]: Without dead ends: 264 [2022-11-03 01:42:50,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:42:50,611 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 83 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:50,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 17 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:42:50,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-03 01:42:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 215. [2022-11-03 01:42:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 211 states have (on average 1.7772511848341233) internal successors, (375), 214 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 375 transitions. [2022-11-03 01:42:50,617 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 375 transitions. Word has length 15 [2022-11-03 01:42:50,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:50,617 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 375 transitions. [2022-11-03 01:42:50,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:50,618 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 375 transitions. [2022-11-03 01:42:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:42:50,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:50,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:50,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-03 01:42:50,619 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:50,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:50,620 INFO L85 PathProgramCache]: Analyzing trace with hash 945956060, now seen corresponding path program 2 times [2022-11-03 01:42:50,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:50,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983735580] [2022-11-03 01:42:50,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:51,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:51,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983735580] [2022-11-03 01:42:51,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983735580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:51,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:51,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:42:51,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901974477] [2022-11-03 01:42:51,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:51,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:42:51,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:51,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:42:51,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:42:51,496 INFO L87 Difference]: Start difference. First operand 215 states and 375 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:53,220 INFO L93 Difference]: Finished difference Result 357 states and 597 transitions. [2022-11-03 01:42:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 01:42:53,220 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:42:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:53,221 INFO L225 Difference]: With dead ends: 357 [2022-11-03 01:42:53,221 INFO L226 Difference]: Without dead ends: 357 [2022-11-03 01:42:53,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=233, Invalid=469, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:42:53,222 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 156 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:53,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 12 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-11-03 01:42:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 223. [2022-11-03 01:42:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.7762557077625571) internal successors, (389), 222 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 389 transitions. [2022-11-03 01:42:53,229 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 389 transitions. Word has length 15 [2022-11-03 01:42:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:53,229 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 389 transitions. [2022-11-03 01:42:53,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 389 transitions. [2022-11-03 01:42:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:42:53,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:53,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:53,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-03 01:42:53,231 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1551888284, now seen corresponding path program 3 times [2022-11-03 01:42:53,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:53,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312472176] [2022-11-03 01:42:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:53,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:54,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:54,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312472176] [2022-11-03 01:42:54,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312472176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:54,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:54,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:42:54,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592733107] [2022-11-03 01:42:54,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:54,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:42:54,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:54,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:42:54,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:42:54,115 INFO L87 Difference]: Start difference. First operand 223 states and 389 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:55,534 INFO L93 Difference]: Finished difference Result 342 states and 546 transitions. [2022-11-03 01:42:55,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 01:42:55,535 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:42:55,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:55,535 INFO L225 Difference]: With dead ends: 342 [2022-11-03 01:42:55,536 INFO L226 Difference]: Without dead ends: 321 [2022-11-03 01:42:55,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=459, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:42:55,536 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 121 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:55,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 9 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:55,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-03 01:42:55,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 238. [2022-11-03 01:42:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 232 states have (on average 1.7370689655172413) internal successors, (403), 237 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 403 transitions. [2022-11-03 01:42:55,541 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 403 transitions. Word has length 15 [2022-11-03 01:42:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:55,541 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 403 transitions. [2022-11-03 01:42:55,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 403 transitions. [2022-11-03 01:42:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:42:55,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:55,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:55,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-03 01:42:55,542 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:55,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1551888285, now seen corresponding path program 1 times [2022-11-03 01:42:55,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:55,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913220771] [2022-11-03 01:42:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:56,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:56,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913220771] [2022-11-03 01:42:56,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913220771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:56,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:56,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:42:56,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124593568] [2022-11-03 01:42:56,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:56,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:42:56,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:56,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:42:56,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:42:56,248 INFO L87 Difference]: Start difference. First operand 238 states and 403 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:57,607 INFO L93 Difference]: Finished difference Result 292 states and 485 transitions. [2022-11-03 01:42:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:42:57,607 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:42:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:57,608 INFO L225 Difference]: With dead ends: 292 [2022-11-03 01:42:57,608 INFO L226 Difference]: Without dead ends: 285 [2022-11-03 01:42:57,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:42:57,608 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 131 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:57,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 9 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:42:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-11-03 01:42:57,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 230. [2022-11-03 01:42:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.7555555555555555) internal successors, (395), 229 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 395 transitions. [2022-11-03 01:42:57,612 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 395 transitions. Word has length 15 [2022-11-03 01:42:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:57,612 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 395 transitions. [2022-11-03 01:42:57,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:42:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 395 transitions. [2022-11-03 01:42:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:42:57,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:57,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:57,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-03 01:42:57,614 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:42:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash 173087444, now seen corresponding path program 4 times [2022-11-03 01:42:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:57,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576867356] [2022-11-03 01:42:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:57,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:42:58,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:58,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576867356] [2022-11-03 01:42:58,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576867356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:58,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:58,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:42:58,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370135244] [2022-11-03 01:42:58,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:58,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:42:58,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:58,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:42:58,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:42:58,476 INFO L87 Difference]: Start difference. First operand 230 states and 395 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:00,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:00,046 INFO L93 Difference]: Finished difference Result 372 states and 608 transitions. [2022-11-03 01:43:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:43:00,047 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:00,047 INFO L225 Difference]: With dead ends: 372 [2022-11-03 01:43:00,048 INFO L226 Difference]: Without dead ends: 348 [2022-11-03 01:43:00,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:43:00,048 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 160 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:00,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 8 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:43:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-11-03 01:43:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 207. [2022-11-03 01:43:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 202 states have (on average 1.7524752475247525) internal successors, (354), 206 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 354 transitions. [2022-11-03 01:43:00,054 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 354 transitions. Word has length 15 [2022-11-03 01:43:00,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:00,054 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 354 transitions. [2022-11-03 01:43:00,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 354 transitions. [2022-11-03 01:43:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:00,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:00,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:00,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-03 01:43:00,056 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:00,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2090952779, now seen corresponding path program 1 times [2022-11-03 01:43:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:00,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823555498] [2022-11-03 01:43:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:00,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:00,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:00,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823555498] [2022-11-03 01:43:00,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823555498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:00,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:00,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:00,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745417886] [2022-11-03 01:43:00,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:00,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:00,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:00,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:00,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:00,968 INFO L87 Difference]: Start difference. First operand 207 states and 354 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:02,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:02,165 INFO L93 Difference]: Finished difference Result 299 states and 462 transitions. [2022-11-03 01:43:02,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:43:02,166 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:02,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:02,166 INFO L225 Difference]: With dead ends: 299 [2022-11-03 01:43:02,166 INFO L226 Difference]: Without dead ends: 277 [2022-11-03 01:43:02,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-11-03 01:43:02,167 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 143 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:02,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 12 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:43:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-11-03 01:43:02,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 216. [2022-11-03 01:43:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 210 states have (on average 1.723809523809524) internal successors, (362), 215 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 362 transitions. [2022-11-03 01:43:02,173 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 362 transitions. Word has length 15 [2022-11-03 01:43:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:02,173 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 362 transitions. [2022-11-03 01:43:02,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 362 transitions. [2022-11-03 01:43:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:02,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:02,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:02,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-03 01:43:02,174 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:02,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:02,175 INFO L85 PathProgramCache]: Analyzing trace with hash 896492199, now seen corresponding path program 2 times [2022-11-03 01:43:02,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:02,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208429143] [2022-11-03 01:43:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:02,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:03,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:03,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208429143] [2022-11-03 01:43:03,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208429143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:03,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:03,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:03,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888374113] [2022-11-03 01:43:03,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:03,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:03,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:03,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:03,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:03,199 INFO L87 Difference]: Start difference. First operand 216 states and 362 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:04,664 INFO L93 Difference]: Finished difference Result 286 states and 474 transitions. [2022-11-03 01:43:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:43:04,664 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:04,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:04,665 INFO L225 Difference]: With dead ends: 286 [2022-11-03 01:43:04,665 INFO L226 Difference]: Without dead ends: 243 [2022-11-03 01:43:04,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2022-11-03 01:43:04,666 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 73 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:04,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 0 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 01:43:04,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-11-03 01:43:04,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 201. [2022-11-03 01:43:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.7025641025641025) internal successors, (332), 200 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 332 transitions. [2022-11-03 01:43:04,671 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 332 transitions. Word has length 15 [2022-11-03 01:43:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:04,671 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 332 transitions. [2022-11-03 01:43:04,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 332 transitions. [2022-11-03 01:43:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:04,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:04,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:04,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-03 01:43:04,672 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:04,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2109785508, now seen corresponding path program 5 times [2022-11-03 01:43:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:04,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153864637] [2022-11-03 01:43:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:04,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:05,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:05,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153864637] [2022-11-03 01:43:05,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153864637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:05,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:05,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:05,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319575584] [2022-11-03 01:43:05,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:05,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:05,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:05,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:05,641 INFO L87 Difference]: Start difference. First operand 201 states and 332 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:06,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:06,969 INFO L93 Difference]: Finished difference Result 307 states and 491 transitions. [2022-11-03 01:43:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:43:06,970 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:06,971 INFO L225 Difference]: With dead ends: 307 [2022-11-03 01:43:06,971 INFO L226 Difference]: Without dead ends: 301 [2022-11-03 01:43:06,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:43:06,972 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 131 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:06,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 6 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:43:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-11-03 01:43:06,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 193. [2022-11-03 01:43:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 187 states have (on average 1.7165775401069518) internal successors, (321), 192 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 321 transitions. [2022-11-03 01:43:06,975 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 321 transitions. Word has length 15 [2022-11-03 01:43:06,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:06,975 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 321 transitions. [2022-11-03 01:43:06,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 321 transitions. [2022-11-03 01:43:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:06,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:06,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:06,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-03 01:43:06,976 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:06,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:06,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1863528343, now seen corresponding path program 3 times [2022-11-03 01:43:06,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:06,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375412727] [2022-11-03 01:43:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:06,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:07,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:07,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375412727] [2022-11-03 01:43:07,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375412727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:07,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:07,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:07,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250670427] [2022-11-03 01:43:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:07,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:07,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:07,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:07,797 INFO L87 Difference]: Start difference. First operand 193 states and 321 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:08,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:08,948 INFO L93 Difference]: Finished difference Result 249 states and 407 transitions. [2022-11-03 01:43:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:43:08,949 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:08,950 INFO L225 Difference]: With dead ends: 249 [2022-11-03 01:43:08,950 INFO L226 Difference]: Without dead ends: 221 [2022-11-03 01:43:08,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2022-11-03 01:43:08,951 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 144 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:08,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 6 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:43:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-03 01:43:08,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 161. [2022-11-03 01:43:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 157 states have (on average 1.7707006369426752) internal successors, (278), 160 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 278 transitions. [2022-11-03 01:43:08,955 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 278 transitions. Word has length 15 [2022-11-03 01:43:08,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:08,955 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 278 transitions. [2022-11-03 01:43:08,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2022-11-03 01:43:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:08,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:08,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:08,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-03 01:43:08,957 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:08,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:08,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1132138054, now seen corresponding path program 6 times [2022-11-03 01:43:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:08,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360591059] [2022-11-03 01:43:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:08,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:09,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:09,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360591059] [2022-11-03 01:43:09,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360591059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:09,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:09,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:09,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073487898] [2022-11-03 01:43:09,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:09,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:09,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:09,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:09,906 INFO L87 Difference]: Start difference. First operand 161 states and 278 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:11,379 INFO L93 Difference]: Finished difference Result 312 states and 492 transitions. [2022-11-03 01:43:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:43:11,383 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:11,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:11,384 INFO L225 Difference]: With dead ends: 312 [2022-11-03 01:43:11,384 INFO L226 Difference]: Without dead ends: 300 [2022-11-03 01:43:11,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2022-11-03 01:43:11,384 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 148 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:11,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 12 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:43:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2022-11-03 01:43:11,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 168. [2022-11-03 01:43:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 164 states have (on average 1.7073170731707317) internal successors, (280), 167 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 280 transitions. [2022-11-03 01:43:11,389 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 280 transitions. Word has length 15 [2022-11-03 01:43:11,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:11,389 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 280 transitions. [2022-11-03 01:43:11,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 280 transitions. [2022-11-03 01:43:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:11,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:11,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:11,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-03 01:43:11,390 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1132138053, now seen corresponding path program 2 times [2022-11-03 01:43:11,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:11,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210417978] [2022-11-03 01:43:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:11,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:12,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:12,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210417978] [2022-11-03 01:43:12,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210417978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:12,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:12,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:12,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004641697] [2022-11-03 01:43:12,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:12,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:12,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:12,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:12,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:12,119 INFO L87 Difference]: Start difference. First operand 168 states and 280 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:13,635 INFO L93 Difference]: Finished difference Result 288 states and 460 transitions. [2022-11-03 01:43:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:43:13,636 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:13,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:13,637 INFO L225 Difference]: With dead ends: 288 [2022-11-03 01:43:13,637 INFO L226 Difference]: Without dead ends: 281 [2022-11-03 01:43:13,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:43:13,637 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 145 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:13,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 12 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:43:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-11-03 01:43:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 161. [2022-11-03 01:43:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 157 states have (on average 1.732484076433121) internal successors, (272), 160 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 272 transitions. [2022-11-03 01:43:13,640 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 272 transitions. Word has length 15 [2022-11-03 01:43:13,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:13,640 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 272 transitions. [2022-11-03 01:43:13,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 272 transitions. [2022-11-03 01:43:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:13,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:13,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:13,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-03 01:43:13,641 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:13,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1784028402, now seen corresponding path program 7 times [2022-11-03 01:43:13,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:13,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437685663] [2022-11-03 01:43:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:14,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:14,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437685663] [2022-11-03 01:43:14,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437685663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:14,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:14,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:14,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786680999] [2022-11-03 01:43:14,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:14,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:14,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:14,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:14,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:14,561 INFO L87 Difference]: Start difference. First operand 161 states and 272 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:16,092 INFO L93 Difference]: Finished difference Result 310 states and 497 transitions. [2022-11-03 01:43:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 01:43:16,093 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:16,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:16,093 INFO L225 Difference]: With dead ends: 310 [2022-11-03 01:43:16,093 INFO L226 Difference]: Without dead ends: 304 [2022-11-03 01:43:16,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=237, Invalid=575, Unknown=0, NotChecked=0, Total=812 [2022-11-03 01:43:16,094 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 131 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:16,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 11 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:43:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-11-03 01:43:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 129. [2022-11-03 01:43:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.752) internal successors, (219), 128 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 219 transitions. [2022-11-03 01:43:16,096 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 219 transitions. Word has length 15 [2022-11-03 01:43:16,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:16,096 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 219 transitions. [2022-11-03 01:43:16,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2022-11-03 01:43:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:16,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:16,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:16,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-03 01:43:16,097 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:16,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:16,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1342415588, now seen corresponding path program 8 times [2022-11-03 01:43:16,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:16,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010503353] [2022-11-03 01:43:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:16,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:16,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010503353] [2022-11-03 01:43:16,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010503353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:16,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:43:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827634] [2022-11-03 01:43:16,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:16,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:43:16,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:16,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:43:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:43:16,846 INFO L87 Difference]: Start difference. First operand 129 states and 219 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:18,206 INFO L93 Difference]: Finished difference Result 295 states and 472 transitions. [2022-11-03 01:43:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:43:18,206 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:18,207 INFO L225 Difference]: With dead ends: 295 [2022-11-03 01:43:18,207 INFO L226 Difference]: Without dead ends: 295 [2022-11-03 01:43:18,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=248, Invalid=508, Unknown=0, NotChecked=0, Total=756 [2022-11-03 01:43:18,207 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 142 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:18,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 15 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:43:18,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-11-03 01:43:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 124. [2022-11-03 01:43:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.7355371900826446) internal successors, (210), 123 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 210 transitions. [2022-11-03 01:43:18,211 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 210 transitions. Word has length 15 [2022-11-03 01:43:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:18,211 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 210 transitions. [2022-11-03 01:43:18,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2022-11-03 01:43:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 01:43:18,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:18,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:18,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-03 01:43:18,212 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:18,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:18,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1342415589, now seen corresponding path program 3 times [2022-11-03 01:43:18,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:18,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057811800] [2022-11-03 01:43:18,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:18,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:19,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:19,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057811800] [2022-11-03 01:43:19,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057811800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:19,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:19,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:43:19,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772858213] [2022-11-03 01:43:19,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:19,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:43:19,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:43:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:43:19,026 INFO L87 Difference]: Start difference. First operand 124 states and 210 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:20,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:20,222 INFO L93 Difference]: Finished difference Result 261 states and 418 transitions. [2022-11-03 01:43:20,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:43:20,222 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 01:43:20,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:20,223 INFO L225 Difference]: With dead ends: 261 [2022-11-03 01:43:20,223 INFO L226 Difference]: Without dead ends: 260 [2022-11-03 01:43:20,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2022-11-03 01:43:20,224 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 134 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:20,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 15 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:43:20,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-11-03 01:43:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 105. [2022-11-03 01:43:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.7087378640776698) internal successors, (176), 104 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) [2022-11-03 01:43:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 176 transitions. [2022-11-03 01:43:20,226 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 176 transitions. Word has length 15 [2022-11-03 01:43:20,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:20,226 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 176 transitions. [2022-11-03 01:43:20,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2022-11-03 01:43:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:20,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:20,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:20,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-03 01:43:20,227 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:20,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash -153556377, now seen corresponding path program 1 times [2022-11-03 01:43:20,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:20,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582732176] [2022-11-03 01:43:20,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:21,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:21,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582732176] [2022-11-03 01:43:21,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582732176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:21,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:21,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:43:21,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275238730] [2022-11-03 01:43:21,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:21,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:43:21,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:43:21,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:43:21,493 INFO L87 Difference]: Start difference. First operand 105 states and 176 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:21,876 INFO L93 Difference]: Finished difference Result 157 states and 255 transitions. [2022-11-03 01:43:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:43:21,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:21,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:21,877 INFO L225 Difference]: With dead ends: 157 [2022-11-03 01:43:21,877 INFO L226 Difference]: Without dead ends: 133 [2022-11-03 01:43:21,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:21,878 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 78 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:21,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 6 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:21,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-03 01:43:21,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 105. [2022-11-03 01:43:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.6699029126213591) internal successors, (172), 104 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 172 transitions. [2022-11-03 01:43:21,881 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 172 transitions. Word has length 20 [2022-11-03 01:43:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:21,881 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 172 transitions. [2022-11-03 01:43:21,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2022-11-03 01:43:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:21,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:21,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:21,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-03 01:43:21,882 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:21,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:21,882 INFO L85 PathProgramCache]: Analyzing trace with hash -509215215, now seen corresponding path program 2 times [2022-11-03 01:43:21,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:21,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373288256] [2022-11-03 01:43:21,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:21,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:22,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:22,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373288256] [2022-11-03 01:43:22,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373288256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:22,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:22,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:43:22,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196906832] [2022-11-03 01:43:22,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:22,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:43:22,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:22,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:43:22,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:43:22,930 INFO L87 Difference]: Start difference. First operand 105 states and 172 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:23,375 INFO L93 Difference]: Finished difference Result 134 states and 211 transitions. [2022-11-03 01:43:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:43:23,375 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:23,376 INFO L225 Difference]: With dead ends: 134 [2022-11-03 01:43:23,376 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 01:43:23,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:23,377 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 64 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:23,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 11 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:23,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 01:43:23,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2022-11-03 01:43:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 79 states have (on average 1.6582278481012658) internal successors, (131), 80 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:23,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 131 transitions. [2022-11-03 01:43:23,379 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 131 transitions. Word has length 20 [2022-11-03 01:43:23,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:23,379 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 131 transitions. [2022-11-03 01:43:23,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2022-11-03 01:43:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:23,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:23,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:23,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-03 01:43:23,380 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:23,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -398130307, now seen corresponding path program 3 times [2022-11-03 01:43:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:23,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128544961] [2022-11-03 01:43:23,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:24,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:24,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128544961] [2022-11-03 01:43:24,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128544961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:24,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:43:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201679926] [2022-11-03 01:43:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:24,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:43:24,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:43:24,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:43:24,393 INFO L87 Difference]: Start difference. First operand 81 states and 131 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:24,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:24,682 INFO L93 Difference]: Finished difference Result 107 states and 162 transitions. [2022-11-03 01:43:24,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:43:24,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:24,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:24,683 INFO L225 Difference]: With dead ends: 107 [2022-11-03 01:43:24,683 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 01:43:24,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:43:24,684 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 75 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:24,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 14 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 01:43:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2022-11-03 01:43:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 79 states have (on average 1.6329113924050633) internal successors, (129), 80 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) [2022-11-03 01:43:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 129 transitions. [2022-11-03 01:43:24,686 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 129 transitions. Word has length 20 [2022-11-03 01:43:24,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:24,686 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 129 transitions. [2022-11-03 01:43:24,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2022-11-03 01:43:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:24,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:24,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:24,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-03 01:43:24,689 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:24,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1580103321, now seen corresponding path program 4 times [2022-11-03 01:43:24,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:24,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739319894] [2022-11-03 01:43:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:25,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:25,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739319894] [2022-11-03 01:43:25,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739319894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:25,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:25,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:43:25,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646121972] [2022-11-03 01:43:25,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:25,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:43:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:25,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:43:25,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:43:25,754 INFO L87 Difference]: Start difference. First operand 81 states and 129 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:26,093 INFO L93 Difference]: Finished difference Result 91 states and 142 transitions. [2022-11-03 01:43:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:43:26,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:26,094 INFO L225 Difference]: With dead ends: 91 [2022-11-03 01:43:26,094 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 01:43:26,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:26,095 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 59 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:26,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 13 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 01:43:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-03 01:43:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 61 states have (on average 1.639344262295082) internal successors, (100), 62 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 100 transitions. [2022-11-03 01:43:26,097 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 100 transitions. Word has length 20 [2022-11-03 01:43:26,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:26,097 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 100 transitions. [2022-11-03 01:43:26,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2022-11-03 01:43:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:26,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:26,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:26,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-03 01:43:26,099 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash 485452083, now seen corresponding path program 5 times [2022-11-03 01:43:26,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:26,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5735337] [2022-11-03 01:43:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:27,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:27,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5735337] [2022-11-03 01:43:27,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5735337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:27,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:27,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:43:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143424436] [2022-11-03 01:43:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:27,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:43:27,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:43:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:43:27,302 INFO L87 Difference]: Start difference. First operand 63 states and 100 transitions. Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:27,815 INFO L93 Difference]: Finished difference Result 90 states and 137 transitions. [2022-11-03 01:43:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:27,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:27,816 INFO L225 Difference]: With dead ends: 90 [2022-11-03 01:43:27,816 INFO L226 Difference]: Without dead ends: 90 [2022-11-03 01:43:27,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:43:27,816 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 50 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:27,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 10 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:27,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-03 01:43:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2022-11-03 01:43:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 87 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 136 transitions. [2022-11-03 01:43:27,818 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 136 transitions. Word has length 20 [2022-11-03 01:43:27,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:27,818 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 136 transitions. [2022-11-03 01:43:27,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2022-11-03 01:43:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:27,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:27,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:27,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-03 01:43:27,819 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:27,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:27,819 INFO L85 PathProgramCache]: Analyzing trace with hash 485452084, now seen corresponding path program 1 times [2022-11-03 01:43:27,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:27,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580604515] [2022-11-03 01:43:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:28,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:28,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580604515] [2022-11-03 01:43:28,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580604515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:28,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:28,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:43:28,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618423530] [2022-11-03 01:43:28,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:28,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:43:28,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:28,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:43:28,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:43:28,990 INFO L87 Difference]: Start difference. First operand 88 states and 136 transitions. Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:29,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:29,552 INFO L93 Difference]: Finished difference Result 88 states and 134 transitions. [2022-11-03 01:43:29,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:29,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:29,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:29,553 INFO L225 Difference]: With dead ends: 88 [2022-11-03 01:43:29,553 INFO L226 Difference]: Without dead ends: 62 [2022-11-03 01:43:29,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:43:29,554 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 45 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:29,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 10 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:29,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-03 01:43:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-03 01:43:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 61 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 98 transitions. [2022-11-03 01:43:29,556 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 98 transitions. Word has length 20 [2022-11-03 01:43:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:29,557 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 98 transitions. [2022-11-03 01:43:29,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2022-11-03 01:43:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:29,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:29,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:29,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-03 01:43:29,558 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:29,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:29,558 INFO L85 PathProgramCache]: Analyzing trace with hash 594097689, now seen corresponding path program 6 times [2022-11-03 01:43:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:29,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980678765] [2022-11-03 01:43:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:31,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:31,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980678765] [2022-11-03 01:43:31,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980678765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:31,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:31,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:31,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627309615] [2022-11-03 01:43:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:31,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:31,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:31,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:31,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:31,213 INFO L87 Difference]: Start difference. First operand 62 states and 98 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:32,002 INFO L93 Difference]: Finished difference Result 92 states and 141 transitions. [2022-11-03 01:43:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:32,003 INFO L225 Difference]: With dead ends: 92 [2022-11-03 01:43:32,003 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 01:43:32,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:43:32,003 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 34 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:32,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:32,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 01:43:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 87. [2022-11-03 01:43:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 85 states have (on average 1.611764705882353) internal successors, (137), 86 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 137 transitions. [2022-11-03 01:43:32,005 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 137 transitions. Word has length 20 [2022-11-03 01:43:32,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:32,005 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 137 transitions. [2022-11-03 01:43:32,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2022-11-03 01:43:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:32,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:32,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:32,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-03 01:43:32,006 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash 594097690, now seen corresponding path program 2 times [2022-11-03 01:43:32,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:32,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332740237] [2022-11-03 01:43:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:32,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332740237] [2022-11-03 01:43:32,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332740237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:32,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:32,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:43:32,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523712873] [2022-11-03 01:43:32,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:32,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:43:32,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:32,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:43:32,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:43:32,777 INFO L87 Difference]: Start difference. First operand 87 states and 137 transitions. Second operand has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:33,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:33,260 INFO L93 Difference]: Finished difference Result 120 states and 183 transitions. [2022-11-03 01:43:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:43:33,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:33,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:33,261 INFO L225 Difference]: With dead ends: 120 [2022-11-03 01:43:33,261 INFO L226 Difference]: Without dead ends: 98 [2022-11-03 01:43:33,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:43:33,262 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 93 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:33,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 14 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-03 01:43:33,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2022-11-03 01:43:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.5957446808510638) internal successors, (150), 95 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 150 transitions. [2022-11-03 01:43:33,264 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 150 transitions. Word has length 20 [2022-11-03 01:43:33,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:33,265 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 150 transitions. [2022-11-03 01:43:33,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2022-11-03 01:43:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:33,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:33,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:33,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-03 01:43:33,266 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1861554867, now seen corresponding path program 7 times [2022-11-03 01:43:33,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:33,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861037287] [2022-11-03 01:43:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:34,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:34,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861037287] [2022-11-03 01:43:34,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861037287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:34,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:34,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950860327] [2022-11-03 01:43:34,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:34,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:34,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:34,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:34,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:34,177 INFO L87 Difference]: Start difference. First operand 96 states and 150 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:35,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:35,159 INFO L93 Difference]: Finished difference Result 119 states and 181 transitions. [2022-11-03 01:43:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:35,160 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:35,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:35,160 INFO L225 Difference]: With dead ends: 119 [2022-11-03 01:43:35,160 INFO L226 Difference]: Without dead ends: 88 [2022-11-03 01:43:35,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:43:35,161 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 121 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:35,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 12 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:35,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-03 01:43:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2022-11-03 01:43:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.5595238095238095) internal successors, (131), 85 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 131 transitions. [2022-11-03 01:43:35,164 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 131 transitions. Word has length 20 [2022-11-03 01:43:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:35,164 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 131 transitions. [2022-11-03 01:43:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2022-11-03 01:43:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:35,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:35,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:35,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-03 01:43:35,165 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1867031397, now seen corresponding path program 8 times [2022-11-03 01:43:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:35,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957078436] [2022-11-03 01:43:35,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:36,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:36,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957078436] [2022-11-03 01:43:36,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957078436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:36,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:36,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:36,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731546360] [2022-11-03 01:43:36,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:36,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:36,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:36,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:36,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:36,300 INFO L87 Difference]: Start difference. First operand 86 states and 131 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:36,990 INFO L93 Difference]: Finished difference Result 110 states and 164 transitions. [2022-11-03 01:43:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:43:36,991 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:36,991 INFO L225 Difference]: With dead ends: 110 [2022-11-03 01:43:36,991 INFO L226 Difference]: Without dead ends: 82 [2022-11-03 01:43:36,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:43:36,992 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 40 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:36,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 8 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-03 01:43:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-03 01:43:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.5375) internal successors, (123), 81 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 123 transitions. [2022-11-03 01:43:36,994 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 123 transitions. Word has length 20 [2022-11-03 01:43:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:36,995 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 123 transitions. [2022-11-03 01:43:36,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2022-11-03 01:43:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:36,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:36,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:36,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-03 01:43:36,996 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:36,997 INFO L85 PathProgramCache]: Analyzing trace with hash 490627495, now seen corresponding path program 9 times [2022-11-03 01:43:36,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:36,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279843226] [2022-11-03 01:43:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:36,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:38,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:38,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279843226] [2022-11-03 01:43:38,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279843226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:38,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:38,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852952003] [2022-11-03 01:43:38,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:38,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:38,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:38,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:38,032 INFO L87 Difference]: Start difference. First operand 82 states and 123 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:38,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:38,665 INFO L93 Difference]: Finished difference Result 108 states and 158 transitions. [2022-11-03 01:43:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:43:38,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:38,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:38,666 INFO L225 Difference]: With dead ends: 108 [2022-11-03 01:43:38,666 INFO L226 Difference]: Without dead ends: 79 [2022-11-03 01:43:38,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:43:38,666 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 66 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:38,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 14 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-03 01:43:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 53. [2022-11-03 01:43:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 52 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 80 transitions. [2022-11-03 01:43:38,669 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 80 transitions. Word has length 20 [2022-11-03 01:43:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:38,669 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 80 transitions. [2022-11-03 01:43:38,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2022-11-03 01:43:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:38,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:38,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:38,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-03 01:43:38,670 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:38,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:38,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1874158503, now seen corresponding path program 10 times [2022-11-03 01:43:38,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:38,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684999382] [2022-11-03 01:43:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:39,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:39,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684999382] [2022-11-03 01:43:39,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684999382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:39,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:39,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 01:43:39,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646242368] [2022-11-03 01:43:39,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:39,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 01:43:39,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:39,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 01:43:39,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:43:39,950 INFO L87 Difference]: Start difference. First operand 53 states and 80 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:41,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:41,189 INFO L93 Difference]: Finished difference Result 116 states and 173 transitions. [2022-11-03 01:43:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:43:41,190 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:41,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:41,190 INFO L225 Difference]: With dead ends: 116 [2022-11-03 01:43:41,190 INFO L226 Difference]: Without dead ends: 116 [2022-11-03 01:43:41,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:43:41,191 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 195 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:41,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 2 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:41,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-03 01:43:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 84. [2022-11-03 01:43:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 83 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2022-11-03 01:43:41,194 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 20 [2022-11-03 01:43:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:41,195 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2022-11-03 01:43:41,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:41,195 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2022-11-03 01:43:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:41,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:41,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:41,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-03 01:43:41,196 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1874158502, now seen corresponding path program 3 times [2022-11-03 01:43:41,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:41,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218085747] [2022-11-03 01:43:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:41,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:41,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:41,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218085747] [2022-11-03 01:43:41,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218085747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:41,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:41,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:41,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068381422] [2022-11-03 01:43:41,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:41,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:41,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:41,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:41,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:41,964 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:42,496 INFO L93 Difference]: Finished difference Result 110 states and 164 transitions. [2022-11-03 01:43:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:43:42,497 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:42,497 INFO L225 Difference]: With dead ends: 110 [2022-11-03 01:43:42,497 INFO L226 Difference]: Without dead ends: 82 [2022-11-03 01:43:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:43:42,498 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 124 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:42,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 8 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:42,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-03 01:43:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2022-11-03 01:43:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 79 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 119 transitions. [2022-11-03 01:43:42,501 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 119 transitions. Word has length 20 [2022-11-03 01:43:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:42,501 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 119 transitions. [2022-11-03 01:43:42,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2022-11-03 01:43:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:42,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:42,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:42,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-03 01:43:42,503 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:42,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1694839689, now seen corresponding path program 11 times [2022-11-03 01:43:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:42,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545660878] [2022-11-03 01:43:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:43,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:43,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545660878] [2022-11-03 01:43:43,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545660878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:43,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:43,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 01:43:43,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707847885] [2022-11-03 01:43:43,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:43,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 01:43:43,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:43,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 01:43:43,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:43:43,681 INFO L87 Difference]: Start difference. First operand 80 states and 119 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:44,727 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2022-11-03 01:43:44,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:43:44,727 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:44,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:44,727 INFO L225 Difference]: With dead ends: 86 [2022-11-03 01:43:44,727 INFO L226 Difference]: Without dead ends: 54 [2022-11-03 01:43:44,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:43:44,728 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 121 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:44,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 2 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-03 01:43:44,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2022-11-03 01:43:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 47 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2022-11-03 01:43:44,730 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 20 [2022-11-03 01:43:44,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:44,730 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2022-11-03 01:43:44,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2022-11-03 01:43:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:44,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:44,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:44,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-03 01:43:44,731 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:44,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash 138951931, now seen corresponding path program 12 times [2022-11-03 01:43:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:44,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710304394] [2022-11-03 01:43:44,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:45,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:45,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710304394] [2022-11-03 01:43:45,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710304394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:45,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:45,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 01:43:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595178585] [2022-11-03 01:43:45,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:45,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 01:43:45,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 01:43:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:43:45,966 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:47,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:47,026 INFO L93 Difference]: Finished difference Result 73 states and 107 transitions. [2022-11-03 01:43:47,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:43:47,027 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:47,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:47,027 INFO L225 Difference]: With dead ends: 73 [2022-11-03 01:43:47,028 INFO L226 Difference]: Without dead ends: 73 [2022-11-03 01:43:47,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:43:47,031 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 119 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:47,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 0 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-03 01:43:47,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2022-11-03 01:43:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.536231884057971) internal successors, (106), 70 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) [2022-11-03 01:43:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 106 transitions. [2022-11-03 01:43:47,034 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 106 transitions. Word has length 20 [2022-11-03 01:43:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:47,034 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 106 transitions. [2022-11-03 01:43:47,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2022-11-03 01:43:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:47,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:47,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:47,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-03 01:43:47,036 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash 138951932, now seen corresponding path program 4 times [2022-11-03 01:43:47,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:47,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375734865] [2022-11-03 01:43:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:47,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:47,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:47,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375734865] [2022-11-03 01:43:47,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375734865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:47,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:47,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614472818] [2022-11-03 01:43:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:47,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:47,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:47,874 INFO L87 Difference]: Start difference. First operand 71 states and 106 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:48,499 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2022-11-03 01:43:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 01:43:48,499 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:48,500 INFO L225 Difference]: With dead ends: 71 [2022-11-03 01:43:48,500 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 01:43:48,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:43:48,500 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 87 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:48,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:43:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 01:43:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-03 01:43:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 42 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) [2022-11-03 01:43:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2022-11-03 01:43:48,502 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 62 transitions. Word has length 20 [2022-11-03 01:43:48,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:48,503 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 62 transitions. [2022-11-03 01:43:48,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-11-03 01:43:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:48,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:48,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:48,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-03 01:43:48,504 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1196606191, now seen corresponding path program 13 times [2022-11-03 01:43:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:48,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6810218] [2022-11-03 01:43:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:49,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:49,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6810218] [2022-11-03 01:43:49,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6810218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:49,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:49,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:49,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021823496] [2022-11-03 01:43:49,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:49,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:49,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:49,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:49,735 INFO L87 Difference]: Start difference. First operand 43 states and 62 transitions. Second operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:50,461 INFO L93 Difference]: Finished difference Result 67 states and 96 transitions. [2022-11-03 01:43:50,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:50,461 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:50,462 INFO L225 Difference]: With dead ends: 67 [2022-11-03 01:43:50,462 INFO L226 Difference]: Without dead ends: 67 [2022-11-03 01:43:50,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:43:50,463 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:50,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 4 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:50,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-03 01:43:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2022-11-03 01:43:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.507936507936508) internal successors, (95), 64 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 95 transitions. [2022-11-03 01:43:50,465 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 95 transitions. Word has length 20 [2022-11-03 01:43:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:50,465 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 95 transitions. [2022-11-03 01:43:50,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2022-11-03 01:43:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:50,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:50,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:50,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-03 01:43:50,466 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1196606190, now seen corresponding path program 5 times [2022-11-03 01:43:50,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:50,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126677826] [2022-11-03 01:43:50,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:50,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:51,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:51,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126677826] [2022-11-03 01:43:51,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126677826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:51,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:51,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:43:51,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972063767] [2022-11-03 01:43:51,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:51,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:43:51,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:43:51,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:43:51,823 INFO L87 Difference]: Start difference. First operand 65 states and 95 transitions. Second operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:52,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:52,571 INFO L93 Difference]: Finished difference Result 65 states and 93 transitions. [2022-11-03 01:43:52,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:52,572 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:52,572 INFO L225 Difference]: With dead ends: 65 [2022-11-03 01:43:52,572 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 01:43:52,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:43:52,573 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 37 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:52,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 3 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:43:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 01:43:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-03 01:43:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 42 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2022-11-03 01:43:52,575 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 20 [2022-11-03 01:43:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:52,575 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2022-11-03 01:43:52,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2022-11-03 01:43:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:52,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:52,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:52,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-03 01:43:52,576 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 70850987, now seen corresponding path program 14 times [2022-11-03 01:43:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:52,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010546619] [2022-11-03 01:43:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:53,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:53,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010546619] [2022-11-03 01:43:53,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010546619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:53,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:53,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:53,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428257684] [2022-11-03 01:43:53,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:53,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:53,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:53,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:53,463 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:54,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:54,236 INFO L93 Difference]: Finished difference Result 66 states and 94 transitions. [2022-11-03 01:43:54,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:43:54,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:54,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:54,236 INFO L225 Difference]: With dead ends: 66 [2022-11-03 01:43:54,236 INFO L226 Difference]: Without dead ends: 66 [2022-11-03 01:43:54,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:43:54,237 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 107 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:54,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 0 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-03 01:43:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2022-11-03 01:43:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.5) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2022-11-03 01:43:54,238 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 20 [2022-11-03 01:43:54,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:54,239 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2022-11-03 01:43:54,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2022-11-03 01:43:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:54,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:54,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:54,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-03 01:43:54,239 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:54,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:54,240 INFO L85 PathProgramCache]: Analyzing trace with hash 70850988, now seen corresponding path program 6 times [2022-11-03 01:43:54,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:54,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717624486] [2022-11-03 01:43:54,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:55,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:55,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717624486] [2022-11-03 01:43:55,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717624486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:55,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:55,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:55,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202924820] [2022-11-03 01:43:55,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:55,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:55,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:55,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:55,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:55,096 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:55,933 INFO L93 Difference]: Finished difference Result 64 states and 91 transitions. [2022-11-03 01:43:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:43:55,934 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:55,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:55,934 INFO L225 Difference]: With dead ends: 64 [2022-11-03 01:43:55,934 INFO L226 Difference]: Without dead ends: 38 [2022-11-03 01:43:55,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-11-03 01:43:55,934 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 110 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:55,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 0 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-03 01:43:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-03 01:43:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2022-11-03 01:43:55,936 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 20 [2022-11-03 01:43:55,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:55,937 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2022-11-03 01:43:55,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-11-03 01:43:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:55,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:55,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:55,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-03 01:43:55,938 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash 76327517, now seen corresponding path program 15 times [2022-11-03 01:43:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:55,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534580649] [2022-11-03 01:43:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:56,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:56,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534580649] [2022-11-03 01:43:56,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534580649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:56,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:56,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:56,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834333566] [2022-11-03 01:43:56,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:56,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:56,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:56,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:56,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:56,867 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:57,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:57,356 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2022-11-03 01:43:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:43:57,357 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:57,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:57,357 INFO L225 Difference]: With dead ends: 36 [2022-11-03 01:43:57,358 INFO L226 Difference]: Without dead ends: 36 [2022-11-03 01:43:57,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:43:57,358 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:57,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 2 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:57,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-03 01:43:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-03 01:43:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2022-11-03 01:43:57,360 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 20 [2022-11-03 01:43:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:57,360 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2022-11-03 01:43:57,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-03 01:43:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:43:57,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:57,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:57,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-03 01:43:57,362 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-03 01:43:57,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:57,362 INFO L85 PathProgramCache]: Analyzing trace with hash 76327518, now seen corresponding path program 7 times [2022-11-03 01:43:57,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:57,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664666674] [2022-11-03 01:43:57,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:57,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:43:58,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:58,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664666674] [2022-11-03 01:43:58,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664666674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:58,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:58,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:43:58,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448879632] [2022-11-03 01:43:58,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:58,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:43:58,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:58,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:43:58,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:43:58,284 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:58,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:58,739 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-11-03 01:43:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 01:43:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-11-03 01:43:58,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:58,740 INFO L225 Difference]: With dead ends: 34 [2022-11-03 01:43:58,740 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:43:58,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:43:58,740 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 46 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:58,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 2 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:43:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:43:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:43:58,741 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) [2022-11-03 01:43:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:43:58,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-03 01:43:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:58,742 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:43:58,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:43:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:43:58,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:43:58,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-11-03 01:43:58,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-11-03 01:43:58,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-03 01:43:58,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-03 01:43:58,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-03 01:43:58,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-03 01:43:58,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-03 01:43:58,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-03 01:43:58,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-03 01:43:58,750 INFO L444 BasicCegarLoop]: Path program histogram: [15, 9, 8, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:58,756 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 01:43:58,756 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:43:58,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:43:58 BasicIcfg [2022-11-03 01:43:58,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:43:58,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:43:58,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:43:58,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:43:58,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:40:16" (3/4) ... [2022-11-03 01:43:58,764 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:43:58,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-03 01:43:58,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-03 01:43:58,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 01:43:58,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 01:43:58,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:43:58,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:43:58,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:43:58,820 INFO L158 Benchmark]: Toolchain (without parser) took 224903.26ms. Allocated memory was 130.0MB in the beginning and 671.1MB in the end (delta: 541.1MB). Free memory was 95.6MB in the beginning and 511.7MB in the end (delta: -416.1MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,820 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:43:58,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.72ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 95.6MB in the beginning and 139.7MB in the end (delta: -44.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.36ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 136.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,821 INFO L158 Benchmark]: Boogie Preprocessor took 81.72ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 133.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,821 INFO L158 Benchmark]: RCFGBuilder took 970.51ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 106.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,822 INFO L158 Benchmark]: TraceAbstraction took 222374.86ms. Allocated memory was 169.9MB in the beginning and 671.1MB in the end (delta: 501.2MB). Free memory was 105.1MB in the beginning and 515.9MB in the end (delta: -410.8MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,822 INFO L158 Benchmark]: Witness Printer took 60.14ms. Allocated memory is still 671.1MB. Free memory was 515.9MB in the beginning and 511.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:43:58,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.72ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 95.6MB in the beginning and 139.7MB in the end (delta: -44.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.36ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 136.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.72ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 133.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 970.51ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 106.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 222374.86ms. Allocated memory was 169.9MB in the beginning and 671.1MB in the end (delta: 501.2MB). Free memory was 105.1MB in the beginning and 515.9MB in the end (delta: -410.8MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Witness Printer took 60.14ms. Allocated memory is still 671.1MB. Free memory was 515.9MB in the beginning and 511.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.9s, 173 PlacesBefore, 41 PlacesAfterwards, 173 TransitionsBefore, 38 TransitionsAfterwards, 3900 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 23 ConcurrentYvCompositions, 3 ChoiceCompositions, 180 TotalNumberOfCompositions, 11018 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5265, positive: 4940, positive conditional: 0, positive unconditional: 4940, negative: 325, negative conditional: 0, negative unconditional: 325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2934, positive: 2833, positive conditional: 0, positive unconditional: 2833, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2934, positive: 2804, positive conditional: 0, positive unconditional: 2804, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32582, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 598, negative conditional: 0, negative unconditional: 598, unknown: 31801, unknown conditional: 0, unknown unconditional: 31801] ], Cache Queries: [ total: 5265, positive: 2107, positive conditional: 0, positive unconditional: 2107, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 2934, unknown conditional: 0, unknown unconditional: 2934] , Statistics on independence cache: Total cache size (in pairs): 269, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44 - 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: 1700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1700]: 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, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 222.2s, OverallIterations: 95, TraceHistogramMax: 1, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.1s, AutomataDifference: 85.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 50.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7471 SdHoareTripleChecker+Valid, 43.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7471 mSDsluCounter, 552 SdHoareTripleChecker+Invalid, 37.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4879 mSDsCounter, 2029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33143 IncrementalHoareTripleChecker+Invalid, 35172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2029 mSolverCounterUnsat, 281 mSDtfsCounter, 33143 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1689 GetRequests, 81 SyntacticMatches, 8 SemanticMatches, 1600 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3778 ImplicationChecksByTransitivity, 54.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=729occurred in iteration=24, InterpolantAutomatonStates: 1196, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 95 MinimizatonAttempts, 7873 StatesRemovedByMinimization, 81 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 80.9s InterpolantComputationTime, 1322 NumberOfCodeBlocks, 1322 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 1227 ConstructedInterpolants, 0 QuantifiedInterpolants, 22492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 95 InterpolantComputations, 95 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! [2022-11-03 01:43:58,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577d361a-ca11-453b-9cf6-dbc4c2cdee86/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE