./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh --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 dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:09:51,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:09:51,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:09:51,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:09:51,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:09:51,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:09:51,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:09:51,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:09:51,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:09:51,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:09:51,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:09:51,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:09:51,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:09:51,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:09:51,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:09:51,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:09:51,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:09:51,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:09:51,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:09:51,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:09:51,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:09:51,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:09:51,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:09:51,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:09:51,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:09:51,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:09:51,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:09:51,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:09:51,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:09:51,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:09:51,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:09:51,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:09:51,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:09:51,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:09:51,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:09:51,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:09:51,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:09:51,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:09:51,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:09:51,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:09:51,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:09:51,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 11:09:51,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:09:51,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:09:51,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:09:51,194 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:09:51,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:09:51,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:09:51,195 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:09:51,198 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:09:51,198 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:09:51,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:09:51,198 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:09:51,198 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:09:51,198 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:09:51,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:09:51,199 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:09:51,199 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:09:51,199 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:09:51,199 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:09:51,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:09:51,200 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:09:51,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:09:51,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:09:51,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:09:51,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:09:51,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:09:51,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:09:51,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:09:51,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:09:51,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:09:51,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:09:51,203 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:09:51,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:09:51,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:09:51,203 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:09:51,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:09:51,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:09:51,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:09:51,204 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_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 [2022-12-14 11:09:51,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:09:51,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:09:51,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:09:51,400 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:09:51,400 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:09:51,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-12-14 11:09:53,960 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:09:54,186 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:09:54,187 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2022-12-14 11:09:54,200 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/data/04bbac7bd/e0b8718a340e42fd8a6bdd8b34a78663/FLAGb6b99b096 [2022-12-14 11:09:54,521 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/data/04bbac7bd/e0b8718a340e42fd8a6bdd8b34a78663 [2022-12-14 11:09:54,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:09:54,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:09:54,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:09:54,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:09:54,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:09:54,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:54" (1/1) ... [2022-12-14 11:09:54,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375a4946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:54, skipping insertion in model container [2022-12-14 11:09:54,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:09:54" (1/1) ... [2022-12-14 11:09:54,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:09:54,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:09:54,705 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:09:55,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-12-14 11:09:55,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:09:55,132 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:09:55,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:09:55,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] [2022-12-14 11:09:55,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 11:09:55,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 11:09:55,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:09:55,259 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:09:55,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55 WrapperNode [2022-12-14 11:09:55,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:09:55,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:09:55,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:09:55,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:09:55,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,313 INFO L138 Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 115 [2022-12-14 11:09:55,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:09:55,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:09:55,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:09:55,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:09:55,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:09:55,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:09:55,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:09:55,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:09:55,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (1/1) ... [2022-12-14 11:09:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:09:55,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:09:55,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:09:55,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:09:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:09:55,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:09:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 11:09:55,418 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 11:09:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:09:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:09:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:09:55,419 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 11:09:55,644 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:09:55,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:09:55,812 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:09:55,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:09:55,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:09:55,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:55 BoogieIcfgContainer [2022-12-14 11:09:55,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:09:55,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:09:55,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:09:55,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:09:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:09:54" (1/3) ... [2022-12-14 11:09:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d137e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:09:55, skipping insertion in model container [2022-12-14 11:09:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:09:55" (2/3) ... [2022-12-14 11:09:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d137e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:09:55, skipping insertion in model container [2022-12-14 11:09:55,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:55" (3/3) ... [2022-12-14 11:09:55,837 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2022-12-14 11:09:55,843 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:09:55,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:09:55,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 11:09:55,850 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:09:55,893 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 11:09:55,916 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:09:55,927 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 163 transitions, 342 flow [2022-12-14 11:09:55,929 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 163 transitions, 342 flow [2022-12-14 11:09:55,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 163 transitions, 342 flow [2022-12-14 11:09:55,978 INFO L130 PetriNetUnfolder]: 8/206 cut-off events. [2022-12-14 11:09:55,979 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 11:09:55,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 206 events. 8/206 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 337 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2022-12-14 11:09:55,984 INFO L119 LiptonReduction]: Number of co-enabled transitions 2856 [2022-12-14 11:10:40,930 INFO L134 LiptonReduction]: Checked pairs total: 5836 [2022-12-14 11:10:40,930 INFO L136 LiptonReduction]: Total number of compositions: 172 [2022-12-14 11:10:40,936 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 30 transitions, 76 flow [2022-12-14 11:10:40,968 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 274 states, 254 states have (on average 2.763779527559055) internal successors, (702), 273 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:40,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:10:40,989 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;@678502b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:10:40,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 11:10:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 254 states have (on average 2.763779527559055) internal successors, (702), 273 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:10:40,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:40,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:10:40,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:40,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:41,000 INFO L85 PathProgramCache]: Analyzing trace with hash 17654657, now seen corresponding path program 1 times [2022-12-14 11:10:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:41,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444924543] [2022-12-14 11:10:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:41,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:41,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444924543] [2022-12-14 11:10:41,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444924543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:41,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:41,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:10:41,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814172434] [2022-12-14 11:10:41,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:41,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:10:41,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:41,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:10:41,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:10:41,700 INFO L87 Difference]: Start difference. First operand has 274 states, 254 states have (on average 2.763779527559055) internal successors, (702), 273 states have internal predecessors, (702), 0 states have call successors, (0), 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 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:41,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:41,853 INFO L93 Difference]: Finished difference Result 272 states and 663 transitions. [2022-12-14 11:10:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:10:41,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 11:10:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:41,865 INFO L225 Difference]: With dead ends: 272 [2022-12-14 11:10:41,866 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 11:10:41,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:41,869 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:41,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:41,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 11:10:41,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-12-14 11:10:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 232 states have (on average 2.5732758620689653) internal successors, (597), 247 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 597 transitions. [2022-12-14 11:10:41,909 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 597 transitions. Word has length 4 [2022-12-14 11:10:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:41,909 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 597 transitions. [2022-12-14 11:10:41,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 597 transitions. [2022-12-14 11:10:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 11:10:41,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:41,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 11:10:41,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:10:41,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:41,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:41,910 INFO L85 PathProgramCache]: Analyzing trace with hash 547277133, now seen corresponding path program 1 times [2022-12-14 11:10:41,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:41,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46906363] [2022-12-14 11:10:41,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:41,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:42,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:42,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46906363] [2022-12-14 11:10:42,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46906363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:42,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:42,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:10:42,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453957319] [2022-12-14 11:10:42,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:42,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:10:42,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:42,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:10:42,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:10:42,241 INFO L87 Difference]: Start difference. First operand 248 states and 597 transitions. Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-12-14 11:10:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:42,385 INFO L93 Difference]: Finished difference Result 256 states and 619 transitions. [2022-12-14 11:10:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:10:42,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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 [2022-12-14 11:10:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:42,388 INFO L225 Difference]: With dead ends: 256 [2022-12-14 11:10:42,388 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 11:10:42,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:42,389 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:42,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 11:10:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2022-12-14 11:10:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 236 states have (on average 2.5762711864406778) internal successors, (608), 251 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 608 transitions. [2022-12-14 11:10:42,407 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 608 transitions. Word has length 5 [2022-12-14 11:10:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:42,407 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 608 transitions. [2022-12-14 11:10:42,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-12-14 11:10:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 608 transitions. [2022-12-14 11:10:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 11:10:42,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:42,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 11:10:42,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:10:42,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 547296663, now seen corresponding path program 2 times [2022-12-14 11:10:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:42,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447142842] [2022-12-14 11:10:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:42,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:42,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:42,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447142842] [2022-12-14 11:10:42,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447142842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:42,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:42,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:10:42,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514210204] [2022-12-14 11:10:42,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:42,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:10:42,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:42,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:10:42,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:10:42,735 INFO L87 Difference]: Start difference. First operand 252 states and 608 transitions. Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-12-14 11:10:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:42,881 INFO L93 Difference]: Finished difference Result 244 states and 586 transitions. [2022-12-14 11:10:42,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:10:42,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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 [2022-12-14 11:10:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:42,883 INFO L225 Difference]: With dead ends: 244 [2022-12-14 11:10:42,883 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 11:10:42,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:42,885 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:42,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:42,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 11:10:42,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2022-12-14 11:10:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 2.5669642857142856) internal successors, (575), 239 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 575 transitions. [2022-12-14 11:10:42,898 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 575 transitions. Word has length 5 [2022-12-14 11:10:42,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:42,899 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 575 transitions. [2022-12-14 11:10:42,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-12-14 11:10:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 575 transitions. [2022-12-14 11:10:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 11:10:42,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:42,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 11:10:42,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:10:42,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:42,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:42,900 INFO L85 PathProgramCache]: Analyzing trace with hash -214410974, now seen corresponding path program 1 times [2022-12-14 11:10:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:42,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834083061] [2022-12-14 11:10:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:43,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:43,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834083061] [2022-12-14 11:10:43,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834083061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:43,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:43,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:10:43,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577425916] [2022-12-14 11:10:43,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:43,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:10:43,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:10:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:10:43,167 INFO L87 Difference]: Start difference. First operand 240 states and 575 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) [2022-12-14 11:10:43,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:43,310 INFO L93 Difference]: Finished difference Result 234 states and 557 transitions. [2022-12-14 11:10:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:10:43,310 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 [2022-12-14 11:10:43,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:43,311 INFO L225 Difference]: With dead ends: 234 [2022-12-14 11:10:43,311 INFO L226 Difference]: Without dead ends: 234 [2022-12-14 11:10:43,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:43,313 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:43,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:43,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-12-14 11:10:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-12-14 11:10:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 218 states have (on average 2.555045871559633) internal successors, (557), 233 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 557 transitions. [2022-12-14 11:10:43,322 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 557 transitions. Word has length 6 [2022-12-14 11:10:43,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:43,322 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 557 transitions. [2022-12-14 11:10:43,323 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) [2022-12-14 11:10:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 557 transitions. [2022-12-14 11:10:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:10:43,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:43,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:43,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:10:43,324 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:43,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1947273145, now seen corresponding path program 1 times [2022-12-14 11:10:43,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:43,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825233370] [2022-12-14 11:10:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:43,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:43,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:43,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825233370] [2022-12-14 11:10:43,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825233370] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:43,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:43,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:43,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465079693] [2022-12-14 11:10:43,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:43,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:10:43,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:43,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:10:43,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:43,788 INFO L87 Difference]: Start difference. First operand 234 states and 557 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:44,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:44,058 INFO L93 Difference]: Finished difference Result 261 states and 632 transitions. [2022-12-14 11:10:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:10:44,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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 [2022-12-14 11:10:44,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:44,060 INFO L225 Difference]: With dead ends: 261 [2022-12-14 11:10:44,061 INFO L226 Difference]: Without dead ends: 261 [2022-12-14 11:10:44,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:10:44,062 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:44,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-12-14 11:10:44,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 252. [2022-12-14 11:10:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 236 states have (on average 2.5762711864406778) internal successors, (608), 251 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 608 transitions. [2022-12-14 11:10:44,070 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 608 transitions. Word has length 7 [2022-12-14 11:10:44,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:44,071 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 608 transitions. [2022-12-14 11:10:44,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 608 transitions. [2022-12-14 11:10:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:10:44,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:44,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:44,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:10:44,072 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:44,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1947273163, now seen corresponding path program 1 times [2022-12-14 11:10:44,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:44,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155229196] [2022-12-14 11:10:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:44,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:44,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155229196] [2022-12-14 11:10:44,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155229196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:44,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:44,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:44,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483076696] [2022-12-14 11:10:44,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:44,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:10:44,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:10:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:44,499 INFO L87 Difference]: Start difference. First operand 252 states and 608 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:44,689 INFO L93 Difference]: Finished difference Result 249 states and 596 transitions. [2022-12-14 11:10:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:10:44,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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 [2022-12-14 11:10:44,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:44,690 INFO L225 Difference]: With dead ends: 249 [2022-12-14 11:10:44,690 INFO L226 Difference]: Without dead ends: 249 [2022-12-14 11:10:44,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:10:44,691 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:44,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:44,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-12-14 11:10:44,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-12-14 11:10:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 233 states have (on average 2.5579399141630903) internal successors, (596), 248 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 596 transitions. [2022-12-14 11:10:44,698 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 596 transitions. Word has length 7 [2022-12-14 11:10:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:44,698 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 596 transitions. [2022-12-14 11:10:44,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 596 transitions. [2022-12-14 11:10:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:10:44,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:44,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:44,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:10:44,700 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:44,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1943208115, now seen corresponding path program 2 times [2022-12-14 11:10:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:44,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836875543] [2022-12-14 11:10:44,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:44,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:45,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:45,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836875543] [2022-12-14 11:10:45,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836875543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:45,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:45,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:45,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242741226] [2022-12-14 11:10:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:45,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:10:45,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:10:45,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:45,018 INFO L87 Difference]: Start difference. First operand 249 states and 596 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:45,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:45,262 INFO L93 Difference]: Finished difference Result 225 states and 524 transitions. [2022-12-14 11:10:45,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 11:10:45,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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 [2022-12-14 11:10:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:45,264 INFO L225 Difference]: With dead ends: 225 [2022-12-14 11:10:45,264 INFO L226 Difference]: Without dead ends: 225 [2022-12-14 11:10:45,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:10:45,265 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:45,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-12-14 11:10:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2022-12-14 11:10:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 207 states have (on average 2.4589371980676327) internal successors, (509), 218 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 509 transitions. [2022-12-14 11:10:45,269 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 509 transitions. Word has length 7 [2022-12-14 11:10:45,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:45,269 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 509 transitions. [2022-12-14 11:10:45,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 509 transitions. [2022-12-14 11:10:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:10:45,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:45,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:45,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:10:45,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1943208133, now seen corresponding path program 2 times [2022-12-14 11:10:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141257654] [2022-12-14 11:10:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:45,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:45,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:45,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141257654] [2022-12-14 11:10:45,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141257654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:45,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:45,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:45,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324603759] [2022-12-14 11:10:45,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:45,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:10:45,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:10:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:10:45,658 INFO L87 Difference]: Start difference. First operand 219 states and 509 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:45,915 INFO L93 Difference]: Finished difference Result 221 states and 510 transitions. [2022-12-14 11:10:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:10:45,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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 [2022-12-14 11:10:45,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:45,917 INFO L225 Difference]: With dead ends: 221 [2022-12-14 11:10:45,917 INFO L226 Difference]: Without dead ends: 221 [2022-12-14 11:10:45,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:10:45,917 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:45,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:45,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-12-14 11:10:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 198. [2022-12-14 11:10:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 186 states have (on average 2.413978494623656) internal successors, (449), 197 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 449 transitions. [2022-12-14 11:10:45,922 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 449 transitions. Word has length 7 [2022-12-14 11:10:45,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:45,922 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 449 transitions. [2022-12-14 11:10:45,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 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) [2022-12-14 11:10:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 449 transitions. [2022-12-14 11:10:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:10:45,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:45,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:10:45,923 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:45,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:45,923 INFO L85 PathProgramCache]: Analyzing trace with hash 235921912, now seen corresponding path program 1 times [2022-12-14 11:10:45,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:45,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399282960] [2022-12-14 11:10:45,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:45,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:45,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399282960] [2022-12-14 11:10:45,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399282960] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:45,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:45,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:10:45,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804276151] [2022-12-14 11:10:45,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:45,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:10:45,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:10:45,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:10:45,963 INFO L87 Difference]: Start difference. First operand 198 states and 449 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:46,013 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2022-12-14 11:10:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:10:46,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 11:10:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:46,014 INFO L225 Difference]: With dead ends: 70 [2022-12-14 11:10:46,014 INFO L226 Difference]: Without dead ends: 70 [2022-12-14 11:10:46,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:10:46,015 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:46,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:10:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-14 11:10:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-14 11:10:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.9545454545454546) internal successors, (129), 69 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 129 transitions. [2022-12-14 11:10:46,018 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 129 transitions. Word has length 8 [2022-12-14 11:10:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:46,018 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 129 transitions. [2022-12-14 11:10:46,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2022-12-14 11:10:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:46,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:46,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:46,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:10:46,019 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:46,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:46,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1296322312, now seen corresponding path program 1 times [2022-12-14 11:10:46,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:46,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050674772] [2022-12-14 11:10:46,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:46,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:46,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:46,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050674772] [2022-12-14 11:10:46,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050674772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:46,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:46,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028208554] [2022-12-14 11:10:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:46,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:46,289 INFO L87 Difference]: Start difference. First operand 70 states and 129 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:46,516 INFO L93 Difference]: Finished difference Result 101 states and 179 transitions. [2022-12-14 11:10:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:10:46,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:46,517 INFO L225 Difference]: With dead ends: 101 [2022-12-14 11:10:46,517 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 11:10:46,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:10:46,517 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:46,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 0 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:46,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 11:10:46,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 79. [2022-12-14 11:10:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.9466666666666668) internal successors, (146), 78 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 146 transitions. [2022-12-14 11:10:46,520 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 146 transitions. Word has length 9 [2022-12-14 11:10:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:46,520 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 146 transitions. [2022-12-14 11:10:46,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2022-12-14 11:10:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:46,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:46,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:46,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:10:46,521 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:46,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1296322311, now seen corresponding path program 1 times [2022-12-14 11:10:46,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:46,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545101728] [2022-12-14 11:10:46,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:46,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:46,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545101728] [2022-12-14 11:10:46,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545101728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:46,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:46,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:46,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068178612] [2022-12-14 11:10:46,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:46,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:46,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:46,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:46,957 INFO L87 Difference]: Start difference. First operand 79 states and 146 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) [2022-12-14 11:10:47,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:47,341 INFO L93 Difference]: Finished difference Result 116 states and 196 transitions. [2022-12-14 11:10:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:10:47,341 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 [2022-12-14 11:10:47,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:47,342 INFO L225 Difference]: With dead ends: 116 [2022-12-14 11:10:47,342 INFO L226 Difference]: Without dead ends: 116 [2022-12-14 11:10:47,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2022-12-14 11:10:47,342 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:47,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 0 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-12-14 11:10:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 90. [2022-12-14 11:10:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 86 states have (on average 1.8953488372093024) internal successors, (163), 89 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 163 transitions. [2022-12-14 11:10:47,344 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 163 transitions. Word has length 9 [2022-12-14 11:10:47,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:47,344 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 163 transitions. [2022-12-14 11:10:47,344 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) [2022-12-14 11:10:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2022-12-14 11:10:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:47,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:47,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:47,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:10:47,345 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:47,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:47,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1299435952, now seen corresponding path program 2 times [2022-12-14 11:10:47,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:47,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763909641] [2022-12-14 11:10:47,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:47,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:47,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763909641] [2022-12-14 11:10:47,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763909641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:47,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:47,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774300725] [2022-12-14 11:10:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:47,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:47,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:47,614 INFO L87 Difference]: Start difference. First operand 90 states and 163 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:47,889 INFO L93 Difference]: Finished difference Result 165 states and 286 transitions. [2022-12-14 11:10:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:10:47,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:47,890 INFO L225 Difference]: With dead ends: 165 [2022-12-14 11:10:47,890 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 11:10:47,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:10:47,890 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:47,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 0 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 11:10:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 96. [2022-12-14 11:10:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.9456521739130435) internal successors, (179), 95 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 179 transitions. [2022-12-14 11:10:47,893 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 179 transitions. Word has length 9 [2022-12-14 11:10:47,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:47,893 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 179 transitions. [2022-12-14 11:10:47,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2022-12-14 11:10:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:47,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:47,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:47,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:10:47,894 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:47,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1299415492, now seen corresponding path program 3 times [2022-12-14 11:10:47,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:47,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353895732] [2022-12-14 11:10:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:47,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:48,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:48,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353895732] [2022-12-14 11:10:48,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353895732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:48,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:48,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:48,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646305832] [2022-12-14 11:10:48,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:48,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:48,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:48,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:48,194 INFO L87 Difference]: Start difference. First operand 96 states and 179 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:48,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:48,408 INFO L93 Difference]: Finished difference Result 146 states and 253 transitions. [2022-12-14 11:10:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:10:48,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:48,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:48,408 INFO L225 Difference]: With dead ends: 146 [2022-12-14 11:10:48,409 INFO L226 Difference]: Without dead ends: 146 [2022-12-14 11:10:48,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:10:48,409 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:48,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 0 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:48,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-12-14 11:10:48,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2022-12-14 11:10:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.936936936936937) internal successors, (215), 114 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 215 transitions. [2022-12-14 11:10:48,414 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 215 transitions. Word has length 9 [2022-12-14 11:10:48,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:48,414 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 215 transitions. [2022-12-14 11:10:48,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 215 transitions. [2022-12-14 11:10:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:48,415 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:48,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:48,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:10:48,415 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:48,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:48,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1276293831, now seen corresponding path program 2 times [2022-12-14 11:10:48,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:48,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329145660] [2022-12-14 11:10:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:48,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:48,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329145660] [2022-12-14 11:10:48,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329145660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:48,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:48,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138142030] [2022-12-14 11:10:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:48,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:48,827 INFO L87 Difference]: Start difference. First operand 115 states and 215 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) [2022-12-14 11:10:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:49,180 INFO L93 Difference]: Finished difference Result 123 states and 219 transitions. [2022-12-14 11:10:49,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:10:49,181 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 [2022-12-14 11:10:49,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:49,181 INFO L225 Difference]: With dead ends: 123 [2022-12-14 11:10:49,181 INFO L226 Difference]: Without dead ends: 123 [2022-12-14 11:10:49,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:10:49,182 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:49,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:49,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-14 11:10:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 108. [2022-12-14 11:10:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 104 states have (on average 1.9423076923076923) internal successors, (202), 107 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 202 transitions. [2022-12-14 11:10:49,185 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 202 transitions. Word has length 9 [2022-12-14 11:10:49,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:49,186 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 202 transitions. [2022-12-14 11:10:49,186 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) [2022-12-14 11:10:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2022-12-14 11:10:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:49,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:49,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:49,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:10:49,187 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:49,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1276282219, now seen corresponding path program 1 times [2022-12-14 11:10:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:49,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481870283] [2022-12-14 11:10:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:49,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:49,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481870283] [2022-12-14 11:10:49,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481870283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:49,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:49,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:49,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008169255] [2022-12-14 11:10:49,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:49,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:49,713 INFO L87 Difference]: Start difference. First operand 108 states and 202 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) [2022-12-14 11:10:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:50,050 INFO L93 Difference]: Finished difference Result 117 states and 217 transitions. [2022-12-14 11:10:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:10:50,051 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 [2022-12-14 11:10:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:50,052 INFO L225 Difference]: With dead ends: 117 [2022-12-14 11:10:50,052 INFO L226 Difference]: Without dead ends: 111 [2022-12-14 11:10:50,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:10:50,052 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:50,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-14 11:10:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2022-12-14 11:10:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 98 states have (on average 1.9285714285714286) internal successors, (189), 101 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 189 transitions. [2022-12-14 11:10:50,054 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 189 transitions. Word has length 9 [2022-12-14 11:10:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:50,055 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 189 transitions. [2022-12-14 11:10:50,055 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) [2022-12-14 11:10:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 189 transitions. [2022-12-14 11:10:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:50,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:50,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:50,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:10:50,055 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:50,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:50,056 INFO L85 PathProgramCache]: Analyzing trace with hash -892194156, now seen corresponding path program 4 times [2022-12-14 11:10:50,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:50,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998467404] [2022-12-14 11:10:50,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:50,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:50,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:50,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998467404] [2022-12-14 11:10:50,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998467404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:50,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:50,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788223537] [2022-12-14 11:10:50,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:50,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:50,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:50,314 INFO L87 Difference]: Start difference. First operand 102 states and 189 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:50,624 INFO L93 Difference]: Finished difference Result 129 states and 226 transitions. [2022-12-14 11:10:50,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:10:50,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:50,625 INFO L225 Difference]: With dead ends: 129 [2022-12-14 11:10:50,625 INFO L226 Difference]: Without dead ends: 129 [2022-12-14 11:10:50,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:10:50,626 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:50,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 0 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-14 11:10:50,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 98. [2022-12-14 11:10:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 94 states have (on average 1.925531914893617) internal successors, (181), 97 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 181 transitions. [2022-12-14 11:10:50,629 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 181 transitions. Word has length 9 [2022-12-14 11:10:50,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:50,629 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 181 transitions. [2022-12-14 11:10:50,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2022-12-14 11:10:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:50,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:50,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:50,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 11:10:50,630 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:50,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:50,630 INFO L85 PathProgramCache]: Analyzing trace with hash -892173696, now seen corresponding path program 5 times [2022-12-14 11:10:50,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:50,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614809478] [2022-12-14 11:10:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:50,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:50,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614809478] [2022-12-14 11:10:50,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614809478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:50,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:50,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:50,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023591387] [2022-12-14 11:10:50,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:50,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:50,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:50,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:50,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:50,841 INFO L87 Difference]: Start difference. First operand 98 states and 181 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:51,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:51,075 INFO L93 Difference]: Finished difference Result 161 states and 266 transitions. [2022-12-14 11:10:51,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:10:51,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:51,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:51,076 INFO L225 Difference]: With dead ends: 161 [2022-12-14 11:10:51,076 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 11:10:51,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:10:51,077 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:51,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:51,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 11:10:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 104. [2022-12-14 11:10:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 100 states have (on average 1.91) internal successors, (191), 103 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 191 transitions. [2022-12-14 11:10:51,081 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 191 transitions. Word has length 9 [2022-12-14 11:10:51,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:51,081 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 191 transitions. [2022-12-14 11:10:51,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 191 transitions. [2022-12-14 11:10:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:51,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:51,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:51,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 11:10:51,082 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:51,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:51,082 INFO L85 PathProgramCache]: Analyzing trace with hash -887820365, now seen corresponding path program 3 times [2022-12-14 11:10:51,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:51,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652160401] [2022-12-14 11:10:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:51,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:51,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652160401] [2022-12-14 11:10:51,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652160401] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:51,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:51,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881780359] [2022-12-14 11:10:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:51,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:51,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:51,446 INFO L87 Difference]: Start difference. First operand 104 states and 191 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) [2022-12-14 11:10:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:51,830 INFO L93 Difference]: Finished difference Result 118 states and 208 transitions. [2022-12-14 11:10:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:10:51,831 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 [2022-12-14 11:10:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:51,832 INFO L225 Difference]: With dead ends: 118 [2022-12-14 11:10:51,832 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 11:10:51,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:10:51,832 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:51,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 11:10:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 97. [2022-12-14 11:10:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.913978494623656) internal successors, (178), 96 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 178 transitions. [2022-12-14 11:10:51,834 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 178 transitions. Word has length 9 [2022-12-14 11:10:51,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:51,835 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 178 transitions. [2022-12-14 11:10:51,835 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) [2022-12-14 11:10:51,835 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 178 transitions. [2022-12-14 11:10:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:51,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:51,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:51,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:10:51,835 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:51,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:51,836 INFO L85 PathProgramCache]: Analyzing trace with hash -887808753, now seen corresponding path program 2 times [2022-12-14 11:10:51,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:51,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875364260] [2022-12-14 11:10:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:51,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:52,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:52,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875364260] [2022-12-14 11:10:52,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875364260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:52,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:52,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829316109] [2022-12-14 11:10:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:52,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:52,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:52,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:52,186 INFO L87 Difference]: Start difference. First operand 97 states and 178 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) [2022-12-14 11:10:52,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:52,565 INFO L93 Difference]: Finished difference Result 117 states and 218 transitions. [2022-12-14 11:10:52,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:10:52,566 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 [2022-12-14 11:10:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:52,566 INFO L225 Difference]: With dead ends: 117 [2022-12-14 11:10:52,566 INFO L226 Difference]: Without dead ends: 111 [2022-12-14 11:10:52,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:10:52,567 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:52,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 0 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-14 11:10:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 85. [2022-12-14 11:10:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.876543209876543) internal successors, (152), 84 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 152 transitions. [2022-12-14 11:10:52,569 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 152 transitions. Word has length 9 [2022-12-14 11:10:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:52,569 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 152 transitions. [2022-12-14 11:10:52,569 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) [2022-12-14 11:10:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2022-12-14 11:10:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:52,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:52,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:52,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 11:10:52,569 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:52,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:52,570 INFO L85 PathProgramCache]: Analyzing trace with hash -897651396, now seen corresponding path program 6 times [2022-12-14 11:10:52,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:52,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167983828] [2022-12-14 11:10:52,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:52,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:52,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:52,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167983828] [2022-12-14 11:10:52,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167983828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:52,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:52,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:10:52,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322698377] [2022-12-14 11:10:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:52,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:10:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:10:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:10:52,756 INFO L87 Difference]: Start difference. First operand 85 states and 152 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:52,964 INFO L93 Difference]: Finished difference Result 100 states and 168 transitions. [2022-12-14 11:10:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:10:52,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 11:10:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:52,965 INFO L225 Difference]: With dead ends: 100 [2022-12-14 11:10:52,965 INFO L226 Difference]: Without dead ends: 100 [2022-12-14 11:10:52,966 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 [2022-12-14 11:10:52,966 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:52,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 0 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:10:52,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-14 11:10:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 86. [2022-12-14 11:10:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 83 states have (on average 1.8674698795180722) internal successors, (155), 85 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:52,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 155 transitions. [2022-12-14 11:10:52,969 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 155 transitions. Word has length 9 [2022-12-14 11:10:52,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:52,969 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 155 transitions. [2022-12-14 11:10:52,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 155 transitions. [2022-12-14 11:10:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:52,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:52,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 11:10:52,969 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:52,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:52,970 INFO L85 PathProgramCache]: Analyzing trace with hash -897651395, now seen corresponding path program 4 times [2022-12-14 11:10:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:52,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37152758] [2022-12-14 11:10:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:53,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:53,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37152758] [2022-12-14 11:10:53,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37152758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:53,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:53,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:53,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696113589] [2022-12-14 11:10:53,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:53,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:53,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:53,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:53,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:53,374 INFO L87 Difference]: Start difference. First operand 86 states and 155 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) [2022-12-14 11:10:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:53,708 INFO L93 Difference]: Finished difference Result 94 states and 159 transitions. [2022-12-14 11:10:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:10:53,709 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 [2022-12-14 11:10:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:53,709 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:10:53,710 INFO L226 Difference]: Without dead ends: 94 [2022-12-14 11:10:53,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-12-14 11:10:53,711 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:53,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-12-14 11:10:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 79. [2022-12-14 11:10:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 76 states have (on average 1.868421052631579) internal successors, (142), 78 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 142 transitions. [2022-12-14 11:10:53,713 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 142 transitions. Word has length 9 [2022-12-14 11:10:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:53,713 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 142 transitions. [2022-12-14 11:10:53,713 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) [2022-12-14 11:10:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 142 transitions. [2022-12-14 11:10:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:53,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:53,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:53,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 11:10:53,713 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash -897639783, now seen corresponding path program 3 times [2022-12-14 11:10:53,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:53,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069099645] [2022-12-14 11:10:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:53,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:54,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:54,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069099645] [2022-12-14 11:10:54,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069099645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:54,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:54,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:54,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98132419] [2022-12-14 11:10:54,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:54,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:54,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:54,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:54,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:54,061 INFO L87 Difference]: Start difference. First operand 79 states and 142 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) [2022-12-14 11:10:54,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:54,422 INFO L93 Difference]: Finished difference Result 102 states and 184 transitions. [2022-12-14 11:10:54,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:10:54,423 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 [2022-12-14 11:10:54,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:54,424 INFO L225 Difference]: With dead ends: 102 [2022-12-14 11:10:54,424 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 11:10:54,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:10:54,425 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:54,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 0 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:54,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 11:10:54,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 76. [2022-12-14 11:10:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 73 states have (on average 1.8356164383561644) internal successors, (134), 75 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 134 transitions. [2022-12-14 11:10:54,428 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 134 transitions. Word has length 9 [2022-12-14 11:10:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:54,428 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 134 transitions. [2022-12-14 11:10:54,428 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) [2022-12-14 11:10:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2022-12-14 11:10:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:54,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:54,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:54,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 11:10:54,429 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:54,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash -901964283, now seen corresponding path program 4 times [2022-12-14 11:10:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:54,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151281771] [2022-12-14 11:10:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:54,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:54,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151281771] [2022-12-14 11:10:54,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151281771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:54,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:54,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:54,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22033432] [2022-12-14 11:10:54,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:54,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:54,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:54,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:54,745 INFO L87 Difference]: Start difference. First operand 76 states and 134 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) [2022-12-14 11:10:55,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:55,106 INFO L93 Difference]: Finished difference Result 93 states and 166 transitions. [2022-12-14 11:10:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:10:55,107 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 [2022-12-14 11:10:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:55,107 INFO L225 Difference]: With dead ends: 93 [2022-12-14 11:10:55,107 INFO L226 Difference]: Without dead ends: 87 [2022-12-14 11:10:55,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:10:55,108 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:55,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:55,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-14 11:10:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2022-12-14 11:10:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.8) internal successors, (126), 72 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2022-12-14 11:10:55,110 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 9 [2022-12-14 11:10:55,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:55,110 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2022-12-14 11:10:55,110 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) [2022-12-14 11:10:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2022-12-14 11:10:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:55,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:55,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:55,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 11:10:55,110 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:55,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:55,110 INFO L85 PathProgramCache]: Analyzing trace with hash -901993113, now seen corresponding path program 5 times [2022-12-14 11:10:55,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:55,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370347535] [2022-12-14 11:10:55,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:55,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:55,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:55,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370347535] [2022-12-14 11:10:55,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370347535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:55,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:55,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:55,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470769780] [2022-12-14 11:10:55,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:55,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:55,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:55,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:55,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:55,460 INFO L87 Difference]: Start difference. First operand 73 states and 126 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) [2022-12-14 11:10:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:55,799 INFO L93 Difference]: Finished difference Result 84 states and 151 transitions. [2022-12-14 11:10:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:10:55,800 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 [2022-12-14 11:10:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:55,800 INFO L225 Difference]: With dead ends: 84 [2022-12-14 11:10:55,800 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 11:10:55,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:10:55,801 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:55,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:55,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 11:10:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2022-12-14 11:10:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 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) [2022-12-14 11:10:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 106 transitions. [2022-12-14 11:10:55,802 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 106 transitions. Word has length 9 [2022-12-14 11:10:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:55,802 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 106 transitions. [2022-12-14 11:10:55,802 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) [2022-12-14 11:10:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2022-12-14 11:10:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:55,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:55,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:55,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 11:10:55,803 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash -62077660, now seen corresponding path program 7 times [2022-12-14 11:10:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:55,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74051544] [2022-12-14 11:10:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:56,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:56,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74051544] [2022-12-14 11:10:56,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74051544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:56,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:56,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:56,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343225060] [2022-12-14 11:10:56,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:56,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:56,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:56,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:56,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:56,170 INFO L87 Difference]: Start difference. First operand 61 states and 106 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) [2022-12-14 11:10:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:56,498 INFO L93 Difference]: Finished difference Result 80 states and 127 transitions. [2022-12-14 11:10:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:10:56,498 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 [2022-12-14 11:10:56,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:56,499 INFO L225 Difference]: With dead ends: 80 [2022-12-14 11:10:56,499 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 11:10:56,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:10:56,500 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:56,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:56,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 11:10:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 57. [2022-12-14 11:10:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 55 states have (on average 1.7818181818181817) internal successors, (98), 56 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) [2022-12-14 11:10:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 98 transitions. [2022-12-14 11:10:56,501 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 98 transitions. Word has length 9 [2022-12-14 11:10:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:56,501 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 98 transitions. [2022-12-14 11:10:56,501 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) [2022-12-14 11:10:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2022-12-14 11:10:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:10:56,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:56,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:56,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 11:10:56,502 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:56,502 INFO L85 PathProgramCache]: Analyzing trace with hash -62077659, now seen corresponding path program 5 times [2022-12-14 11:10:56,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:56,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688092942] [2022-12-14 11:10:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:56,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:56,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:56,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688092942] [2022-12-14 11:10:56,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688092942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:56,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:56,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:56,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848166074] [2022-12-14 11:10:56,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:56,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:56,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:56,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:56,865 INFO L87 Difference]: Start difference. First operand 57 states and 98 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) [2022-12-14 11:10:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:57,301 INFO L93 Difference]: Finished difference Result 86 states and 147 transitions. [2022-12-14 11:10:57,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 11:10:57,301 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 [2022-12-14 11:10:57,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:57,302 INFO L225 Difference]: With dead ends: 86 [2022-12-14 11:10:57,302 INFO L226 Difference]: Without dead ends: 86 [2022-12-14 11:10:57,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:10:57,302 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:57,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:57,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-14 11:10:57,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 44. [2022-12-14 11:10:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 43 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 77 transitions. [2022-12-14 11:10:57,304 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 77 transitions. Word has length 9 [2022-12-14 11:10:57,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:57,304 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 77 transitions. [2022-12-14 11:10:57,304 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) [2022-12-14 11:10:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2022-12-14 11:10:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:10:57,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:57,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:57,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 11:10:57,304 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:57,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1797021642, now seen corresponding path program 1 times [2022-12-14 11:10:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:57,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743118975] [2022-12-14 11:10:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:57,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:57,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743118975] [2022-12-14 11:10:57,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743118975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:57,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:57,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:10:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054583230] [2022-12-14 11:10:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:57,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:10:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:57,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:10:57,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:10:57,827 INFO L87 Difference]: Start difference. First operand 44 states and 77 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:58,148 INFO L93 Difference]: Finished difference Result 67 states and 108 transitions. [2022-12-14 11:10:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:10:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:10:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:58,149 INFO L225 Difference]: With dead ends: 67 [2022-12-14 11:10:58,150 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 11:10:58,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:10:58,150 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:58,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 11:10:58,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2022-12-14 11:10:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 51 states have (on average 1.7450980392156863) internal successors, (89), 52 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 89 transitions. [2022-12-14 11:10:58,152 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 89 transitions. Word has length 13 [2022-12-14 11:10:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:58,152 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 89 transitions. [2022-12-14 11:10:58,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2022-12-14 11:10:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:10:58,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:58,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:58,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 11:10:58,153 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:58,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:58,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1797021641, now seen corresponding path program 1 times [2022-12-14 11:10:58,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:58,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347228252] [2022-12-14 11:10:58,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:58,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:10:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:10:58,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:10:58,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347228252] [2022-12-14 11:10:58,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347228252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:10:58,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:10:58,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:10:58,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342800554] [2022-12-14 11:10:58,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:10:58,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:10:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:10:58,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:10:58,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:10:58,755 INFO L87 Difference]: Start difference. First operand 53 states and 89 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) [2022-12-14 11:10:59,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:10:59,455 INFO L93 Difference]: Finished difference Result 98 states and 160 transitions. [2022-12-14 11:10:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:10:59,456 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 [2022-12-14 11:10:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:10:59,456 INFO L225 Difference]: With dead ends: 98 [2022-12-14 11:10:59,456 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 11:10:59,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-12-14 11:10:59,457 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:10:59,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:10:59,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 11:10:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 65. [2022-12-14 11:10:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.7936507936507937) internal successors, (113), 64 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:10:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 113 transitions. [2022-12-14 11:10:59,458 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 113 transitions. Word has length 13 [2022-12-14 11:10:59,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:10:59,458 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 113 transitions. [2022-12-14 11:10:59,458 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) [2022-12-14 11:10:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2022-12-14 11:10:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:10:59,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:10:59,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:10:59,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 11:10:59,459 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:10:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:10:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1786537752, now seen corresponding path program 2 times [2022-12-14 11:10:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:10:59,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787525490] [2022-12-14 11:10:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:10:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:10:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:00,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:00,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787525490] [2022-12-14 11:11:00,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787525490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:00,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:00,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:00,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429780923] [2022-12-14 11:11:00,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:00,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:00,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:00,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:00,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:00,171 INFO L87 Difference]: Start difference. First operand 65 states and 113 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) [2022-12-14 11:11:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:00,555 INFO L93 Difference]: Finished difference Result 109 states and 172 transitions. [2022-12-14 11:11:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:11:00,556 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 [2022-12-14 11:11:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:00,556 INFO L225 Difference]: With dead ends: 109 [2022-12-14 11:11:00,556 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 11:11:00,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:11:00,557 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 62 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:00,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 0 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:00,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 11:11:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 71. [2022-12-14 11:11:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.7826086956521738) internal successors, (123), 70 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) [2022-12-14 11:11:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 123 transitions. [2022-12-14 11:11:00,558 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 123 transitions. Word has length 13 [2022-12-14 11:11:00,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:00,559 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 123 transitions. [2022-12-14 11:11:00,559 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) [2022-12-14 11:11:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2022-12-14 11:11:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:00,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:00,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:00,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 11:11:00,559 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:00,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:00,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1786537751, now seen corresponding path program 2 times [2022-12-14 11:11:00,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:00,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540342381] [2022-12-14 11:11:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:00,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:01,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:01,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540342381] [2022-12-14 11:11:01,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540342381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:01,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:01,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:01,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106884463] [2022-12-14 11:11:01,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:01,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:01,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:01,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:01,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:01,131 INFO L87 Difference]: Start difference. First operand 71 states and 123 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) [2022-12-14 11:11:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:01,909 INFO L93 Difference]: Finished difference Result 111 states and 174 transitions. [2022-12-14 11:11:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 11:11:01,909 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 [2022-12-14 11:11:01,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:01,910 INFO L225 Difference]: With dead ends: 111 [2022-12-14 11:11:01,910 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 11:11:01,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-12-14 11:11:01,911 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:01,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:11:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 11:11:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 73. [2022-12-14 11:11:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.7887323943661972) internal successors, (127), 72 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 127 transitions. [2022-12-14 11:11:01,913 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 127 transitions. Word has length 13 [2022-12-14 11:11:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:01,913 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 127 transitions. [2022-12-14 11:11:01,913 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) [2022-12-14 11:11:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2022-12-14 11:11:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:01,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:01,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:01,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 11:11:01,914 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:01,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1786441032, now seen corresponding path program 3 times [2022-12-14 11:11:01,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:01,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489554962] [2022-12-14 11:11:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:01,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:02,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:02,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489554962] [2022-12-14 11:11:02,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489554962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:02,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:02,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:02,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991025812] [2022-12-14 11:11:02,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:02,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:02,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:02,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:02,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:02,435 INFO L87 Difference]: Start difference. First operand 73 states and 127 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) [2022-12-14 11:11:02,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:02,806 INFO L93 Difference]: Finished difference Result 105 states and 165 transitions. [2022-12-14 11:11:02,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:11:02,807 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 [2022-12-14 11:11:02,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:02,807 INFO L225 Difference]: With dead ends: 105 [2022-12-14 11:11:02,807 INFO L226 Difference]: Without dead ends: 105 [2022-12-14 11:11:02,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:11:02,808 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:02,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-14 11:11:02,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 77. [2022-12-14 11:11:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.76) internal successors, (132), 76 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-12-14 11:11:02,809 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 13 [2022-12-14 11:11:02,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:02,810 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-12-14 11:11:02,810 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) [2022-12-14 11:11:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-12-14 11:11:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:02,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:02,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:02,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 11:11:02,810 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:02,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:02,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1786441031, now seen corresponding path program 3 times [2022-12-14 11:11:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:02,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159386879] [2022-12-14 11:11:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:03,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159386879] [2022-12-14 11:11:03,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159386879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:03,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:03,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:03,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563471931] [2022-12-14 11:11:03,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:03,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:03,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:03,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:03,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:03,431 INFO L87 Difference]: Start difference. First operand 77 states and 132 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) [2022-12-14 11:11:04,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:04,474 INFO L93 Difference]: Finished difference Result 110 states and 175 transitions. [2022-12-14 11:11:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 11:11:04,474 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 [2022-12-14 11:11:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:04,475 INFO L225 Difference]: With dead ends: 110 [2022-12-14 11:11:04,475 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 11:11:04,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2022-12-14 11:11:04,476 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:04,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:11:04,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 11:11:04,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 72. [2022-12-14 11:11:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 71 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) [2022-12-14 11:11:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 128 transitions. [2022-12-14 11:11:04,478 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 128 transitions. Word has length 13 [2022-12-14 11:11:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:04,478 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 128 transitions. [2022-12-14 11:11:04,479 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) [2022-12-14 11:11:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2022-12-14 11:11:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:04,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:04,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:04,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 11:11:04,479 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:04,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash 317356300, now seen corresponding path program 4 times [2022-12-14 11:11:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:04,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820617495] [2022-12-14 11:11:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:04,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:04,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:04,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820617495] [2022-12-14 11:11:04,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820617495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:04,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:04,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:04,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110270176] [2022-12-14 11:11:04,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:04,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:04,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:04,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:04,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:04,853 INFO L87 Difference]: Start difference. First operand 72 states and 128 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:05,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:05,220 INFO L93 Difference]: Finished difference Result 94 states and 152 transitions. [2022-12-14 11:11:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:05,220 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:05,221 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:11:05,221 INFO L226 Difference]: Without dead ends: 88 [2022-12-14 11:11:05,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:05,221 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:05,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-14 11:11:05,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2022-12-14 11:11:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.8) internal successors, (126), 71 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 126 transitions. [2022-12-14 11:11:05,223 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 126 transitions. Word has length 13 [2022-12-14 11:11:05,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:05,223 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 126 transitions. [2022-12-14 11:11:05,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2022-12-14 11:11:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:05,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:05,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:05,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 11:11:05,224 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:05,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash 327840190, now seen corresponding path program 5 times [2022-12-14 11:11:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:05,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641592487] [2022-12-14 11:11:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:05,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:05,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:05,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641592487] [2022-12-14 11:11:05,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641592487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:05,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:05,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:05,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153492896] [2022-12-14 11:11:05,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:05,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:05,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:05,790 INFO L87 Difference]: Start difference. First operand 72 states and 126 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) [2022-12-14 11:11:06,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:06,384 INFO L93 Difference]: Finished difference Result 138 states and 212 transitions. [2022-12-14 11:11:06,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:11:06,385 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 [2022-12-14 11:11:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:06,386 INFO L225 Difference]: With dead ends: 138 [2022-12-14 11:11:06,386 INFO L226 Difference]: Without dead ends: 134 [2022-12-14 11:11:06,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2022-12-14 11:11:06,387 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:06,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 0 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:11:06,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-12-14 11:11:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 78. [2022-12-14 11:11:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.8026315789473684) internal successors, (137), 77 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) [2022-12-14 11:11:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 137 transitions. [2022-12-14 11:11:06,389 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 137 transitions. Word has length 13 [2022-12-14 11:11:06,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:06,389 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 137 transitions. [2022-12-14 11:11:06,389 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) [2022-12-14 11:11:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2022-12-14 11:11:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:06,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:06,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:06,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 11:11:06,390 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash 327936910, now seen corresponding path program 6 times [2022-12-14 11:11:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:06,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265617738] [2022-12-14 11:11:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:06,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:06,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265617738] [2022-12-14 11:11:06,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265617738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:06,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:06,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:06,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354503143] [2022-12-14 11:11:06,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:06,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:06,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:06,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:06,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:06,940 INFO L87 Difference]: Start difference. First operand 78 states and 137 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) [2022-12-14 11:11:07,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:07,584 INFO L93 Difference]: Finished difference Result 136 states and 208 transitions. [2022-12-14 11:11:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:11:07,585 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 [2022-12-14 11:11:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:07,585 INFO L225 Difference]: With dead ends: 136 [2022-12-14 11:11:07,585 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 11:11:07,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2022-12-14 11:11:07,586 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 56 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:07,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 0 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:11:07,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 11:11:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 74. [2022-12-14 11:11:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.8055555555555556) internal successors, (130), 73 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 130 transitions. [2022-12-14 11:11:07,587 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 130 transitions. Word has length 13 [2022-12-14 11:11:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:07,588 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 130 transitions. [2022-12-14 11:11:07,588 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) [2022-12-14 11:11:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 130 transitions. [2022-12-14 11:11:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:07,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:07,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:07,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 11:11:07,588 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:07,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:07,589 INFO L85 PathProgramCache]: Analyzing trace with hash 926880160, now seen corresponding path program 7 times [2022-12-14 11:11:07,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:07,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073994071] [2022-12-14 11:11:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:07,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:07,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073994071] [2022-12-14 11:11:07,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073994071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:07,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:07,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744343636] [2022-12-14 11:11:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:07,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:07,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:07,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:07,919 INFO L87 Difference]: Start difference. First operand 74 states and 130 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:08,197 INFO L93 Difference]: Finished difference Result 94 states and 152 transitions. [2022-12-14 11:11:08,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:08,198 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:11:08,198 INFO L226 Difference]: Without dead ends: 88 [2022-12-14 11:11:08,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:08,199 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:08,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 0 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-14 11:11:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2022-12-14 11:11:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.8) internal successors, (126), 71 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 126 transitions. [2022-12-14 11:11:08,201 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 126 transitions. Word has length 13 [2022-12-14 11:11:08,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:08,201 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 126 transitions. [2022-12-14 11:11:08,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2022-12-14 11:11:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:08,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:08,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:08,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 11:11:08,201 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:08,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash 960841900, now seen corresponding path program 8 times [2022-12-14 11:11:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:08,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633036405] [2022-12-14 11:11:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:08,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:08,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633036405] [2022-12-14 11:11:08,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633036405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:08,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:08,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:08,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161329862] [2022-12-14 11:11:08,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:08,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:08,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:08,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:08,511 INFO L87 Difference]: Start difference. First operand 72 states and 126 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:08,837 INFO L93 Difference]: Finished difference Result 102 states and 159 transitions. [2022-12-14 11:11:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:08,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:08,837 INFO L225 Difference]: With dead ends: 102 [2022-12-14 11:11:08,837 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 11:11:08,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:08,838 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:08,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:08,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 11:11:08,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 68. [2022-12-14 11:11:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.7272727272727273) internal successors, (114), 67 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 114 transitions. [2022-12-14 11:11:08,839 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 114 transitions. Word has length 13 [2022-12-14 11:11:08,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:08,839 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 114 transitions. [2022-12-14 11:11:08,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2022-12-14 11:11:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:08,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:08,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:08,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 11:11:08,840 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:08,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1380654130, now seen corresponding path program 9 times [2022-12-14 11:11:08,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:08,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424677279] [2022-12-14 11:11:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:08,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:09,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:09,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424677279] [2022-12-14 11:11:09,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424677279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:09,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:09,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:09,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006433486] [2022-12-14 11:11:09,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:09,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:09,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:09,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:09,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:09,212 INFO L87 Difference]: Start difference. First operand 68 states and 114 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:09,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:09,536 INFO L93 Difference]: Finished difference Result 100 states and 155 transitions. [2022-12-14 11:11:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:09,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:09,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:09,537 INFO L225 Difference]: With dead ends: 100 [2022-12-14 11:11:09,537 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 11:11:09,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:09,537 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:09,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 11:11:09,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 82. [2022-12-14 11:11:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.7) internal successors, (136), 81 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) [2022-12-14 11:11:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 136 transitions. [2022-12-14 11:11:09,539 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 136 transitions. Word has length 13 [2022-12-14 11:11:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:09,539 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 136 transitions. [2022-12-14 11:11:09,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2022-12-14 11:11:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:09,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:09,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:09,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 11:11:09,539 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:09,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1380750850, now seen corresponding path program 10 times [2022-12-14 11:11:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:09,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458855038] [2022-12-14 11:11:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:09,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:09,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:09,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458855038] [2022-12-14 11:11:09,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458855038] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:09,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:09,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:09,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137949232] [2022-12-14 11:11:09,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:09,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:09,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:09,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:09,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:09,893 INFO L87 Difference]: Start difference. First operand 82 states and 136 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:10,178 INFO L93 Difference]: Finished difference Result 106 states and 160 transitions. [2022-12-14 11:11:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:10,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:10,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:10,179 INFO L225 Difference]: With dead ends: 106 [2022-12-14 11:11:10,179 INFO L226 Difference]: Without dead ends: 100 [2022-12-14 11:11:10,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:10,180 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:10,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 0 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-14 11:11:10,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2022-12-14 11:11:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.6875) internal successors, (135), 81 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 135 transitions. [2022-12-14 11:11:10,181 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 135 transitions. Word has length 13 [2022-12-14 11:11:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:10,181 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 135 transitions. [2022-12-14 11:11:10,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2022-12-14 11:11:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:10,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:10,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:10,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 11:11:10,182 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:10,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1404131980, now seen corresponding path program 11 times [2022-12-14 11:11:10,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:10,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696584181] [2022-12-14 11:11:10,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:10,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:10,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696584181] [2022-12-14 11:11:10,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696584181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:10,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:10,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624501899] [2022-12-14 11:11:10,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:10,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:10,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:10,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:10,498 INFO L87 Difference]: Start difference. First operand 82 states and 135 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:10,846 INFO L93 Difference]: Finished difference Result 108 states and 164 transitions. [2022-12-14 11:11:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:10,846 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:10,847 INFO L225 Difference]: With dead ends: 108 [2022-12-14 11:11:10,847 INFO L226 Difference]: Without dead ends: 97 [2022-12-14 11:11:10,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:10,848 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:10,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:10,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-12-14 11:11:10,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 75. [2022-12-14 11:11:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.6712328767123288) internal successors, (122), 74 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 122 transitions. [2022-12-14 11:11:10,850 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 122 transitions. Word has length 13 [2022-12-14 11:11:10,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:10,850 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 122 transitions. [2022-12-14 11:11:10,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2022-12-14 11:11:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:10,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:10,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:10,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 11:11:10,851 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1213179816, now seen corresponding path program 12 times [2022-12-14 11:11:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518051620] [2022-12-14 11:11:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:11,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:11,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518051620] [2022-12-14 11:11:11,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518051620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:11,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:11,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:11,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625484461] [2022-12-14 11:11:11,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:11,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:11,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:11,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:11,217 INFO L87 Difference]: Start difference. First operand 75 states and 122 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:11,530 INFO L93 Difference]: Finished difference Result 83 states and 129 transitions. [2022-12-14 11:11:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:11,530 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:11,531 INFO L225 Difference]: With dead ends: 83 [2022-12-14 11:11:11,531 INFO L226 Difference]: Without dead ends: 70 [2022-12-14 11:11:11,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:11,532 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:11,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:11,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-14 11:11:11,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2022-12-14 11:11:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.703125) internal successors, (109), 65 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 109 transitions. [2022-12-14 11:11:11,533 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 109 transitions. Word has length 13 [2022-12-14 11:11:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:11,533 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 109 transitions. [2022-12-14 11:11:11,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2022-12-14 11:11:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:11,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:11,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:11,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-14 11:11:11,534 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:11,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1652161996, now seen corresponding path program 13 times [2022-12-14 11:11:11,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:11,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366305955] [2022-12-14 11:11:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:11,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:11,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:11,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366305955] [2022-12-14 11:11:11,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366305955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:11,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:11,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:11,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779172196] [2022-12-14 11:11:11,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:11,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:11,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:11,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:11,879 INFO L87 Difference]: Start difference. First operand 66 states and 109 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:12,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:12,166 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2022-12-14 11:11:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:12,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:12,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:12,167 INFO L225 Difference]: With dead ends: 90 [2022-12-14 11:11:12,167 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 11:11:12,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:12,168 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:12,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 0 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:12,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 11:11:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 72. [2022-12-14 11:11:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.6571428571428573) internal successors, (116), 71 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 116 transitions. [2022-12-14 11:11:12,169 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 116 transitions. Word has length 13 [2022-12-14 11:11:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:12,170 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 116 transitions. [2022-12-14 11:11:12,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 116 transitions. [2022-12-14 11:11:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:12,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:12,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:12,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 11:11:12,170 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1652161997, now seen corresponding path program 4 times [2022-12-14 11:11:12,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:12,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659108387] [2022-12-14 11:11:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:12,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:12,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659108387] [2022-12-14 11:11:12,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659108387] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:12,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:12,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:12,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908165752] [2022-12-14 11:11:12,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:12,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:12,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:12,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:12,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:12,720 INFO L87 Difference]: Start difference. First operand 72 states and 116 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) [2022-12-14 11:11:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:13,268 INFO L93 Difference]: Finished difference Result 95 states and 140 transitions. [2022-12-14 11:11:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 11:11:13,268 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 [2022-12-14 11:11:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:13,268 INFO L225 Difference]: With dead ends: 95 [2022-12-14 11:11:13,268 INFO L226 Difference]: Without dead ends: 89 [2022-12-14 11:11:13,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-12-14 11:11:13,269 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:13,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-12-14 11:11:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 71. [2022-12-14 11:11:13,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.6231884057971016) internal successors, (112), 70 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:13,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 112 transitions. [2022-12-14 11:11:13,271 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 112 transitions. Word has length 13 [2022-12-14 11:11:13,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:13,271 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 112 transitions. [2022-12-14 11:11:13,271 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) [2022-12-14 11:11:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2022-12-14 11:11:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:13,271 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:13,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:13,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-14 11:11:13,271 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:13,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:13,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1662645886, now seen corresponding path program 14 times [2022-12-14 11:11:13,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:13,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377570843] [2022-12-14 11:11:13,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:13,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:13,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:13,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377570843] [2022-12-14 11:11:13,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377570843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:13,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:13,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:13,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18996830] [2022-12-14 11:11:13,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:13,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:13,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:13,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:13,639 INFO L87 Difference]: Start difference. First operand 71 states and 112 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:13,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:13,977 INFO L93 Difference]: Finished difference Result 95 states and 140 transitions. [2022-12-14 11:11:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:13,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:13,978 INFO L225 Difference]: With dead ends: 95 [2022-12-14 11:11:13,978 INFO L226 Difference]: Without dead ends: 91 [2022-12-14 11:11:13,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:13,978 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:13,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 0 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:13,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-14 11:11:13,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2022-12-14 11:11:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.619718309859155) internal successors, (115), 72 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2022-12-14 11:11:13,980 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 13 [2022-12-14 11:11:13,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:13,980 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2022-12-14 11:11:13,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2022-12-14 11:11:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:13,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:13,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:13,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 11:11:13,980 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:13,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1662742606, now seen corresponding path program 15 times [2022-12-14 11:11:13,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:13,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792133172] [2022-12-14 11:11:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:13,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:14,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:14,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792133172] [2022-12-14 11:11:14,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792133172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:14,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:14,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:14,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535289497] [2022-12-14 11:11:14,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:14,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:14,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:14,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:14,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:14,359 INFO L87 Difference]: Start difference. First operand 73 states and 115 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:14,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:14,697 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2022-12-14 11:11:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:14,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:14,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:14,698 INFO L225 Difference]: With dead ends: 91 [2022-12-14 11:11:14,698 INFO L226 Difference]: Without dead ends: 91 [2022-12-14 11:11:14,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:14,698 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:14,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:14,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-14 11:11:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 77. [2022-12-14 11:11:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.6) internal successors, (120), 76 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2022-12-14 11:11:14,700 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 13 [2022-12-14 11:11:14,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:14,700 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2022-12-14 11:11:14,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2022-12-14 11:11:14,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:14,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:14,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:14,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 11:11:14,700 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1662742607, now seen corresponding path program 5 times [2022-12-14 11:11:14,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:14,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331248447] [2022-12-14 11:11:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:15,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331248447] [2022-12-14 11:11:15,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331248447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:15,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:15,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:15,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008205515] [2022-12-14 11:11:15,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:15,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:15,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:15,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:15,256 INFO L87 Difference]: Start difference. First operand 77 states and 120 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) [2022-12-14 11:11:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:16,198 INFO L93 Difference]: Finished difference Result 93 states and 136 transitions. [2022-12-14 11:11:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 11:11:16,198 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 [2022-12-14 11:11:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:16,198 INFO L225 Difference]: With dead ends: 93 [2022-12-14 11:11:16,198 INFO L226 Difference]: Without dead ends: 85 [2022-12-14 11:11:16,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2022-12-14 11:11:16,199 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:16,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:11:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-14 11:11:16,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 64. [2022-12-14 11:11:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 63 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 101 transitions. [2022-12-14 11:11:16,200 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 101 transitions. Word has length 13 [2022-12-14 11:11:16,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:16,200 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 101 transitions. [2022-12-14 11:11:16,200 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) [2022-12-14 11:11:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2022-12-14 11:11:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:16,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:16,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:16,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 11:11:16,201 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:16,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2033281440, now seen corresponding path program 16 times [2022-12-14 11:11:16,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:16,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996989875] [2022-12-14 11:11:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:16,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:16,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:16,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996989875] [2022-12-14 11:11:16,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996989875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:16,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:16,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154124687] [2022-12-14 11:11:16,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:16,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:16,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:16,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:16,530 INFO L87 Difference]: Start difference. First operand 64 states and 101 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:16,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:16,806 INFO L93 Difference]: Finished difference Result 94 states and 137 transitions. [2022-12-14 11:11:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:16,807 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:16,807 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:11:16,807 INFO L226 Difference]: Without dead ends: 88 [2022-12-14 11:11:16,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:16,808 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:16,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-14 11:11:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 68. [2022-12-14 11:11:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.621212121212121) internal successors, (107), 67 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 107 transitions. [2022-12-14 11:11:16,809 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 107 transitions. Word has length 13 [2022-12-14 11:11:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:16,809 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 107 transitions. [2022-12-14 11:11:16,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2022-12-14 11:11:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:16,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:16,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:16,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 11:11:16,810 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:16,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:16,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1999319700, now seen corresponding path program 17 times [2022-12-14 11:11:16,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:16,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505180516] [2022-12-14 11:11:16,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:16,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:17,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:17,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505180516] [2022-12-14 11:11:17,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505180516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:17,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:17,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:17,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105972554] [2022-12-14 11:11:17,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:17,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:17,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:17,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:17,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:17,142 INFO L87 Difference]: Start difference. First operand 68 states and 107 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:17,478 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2022-12-14 11:11:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:17,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:17,479 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:11:17,479 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 11:11:17,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:17,480 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:17,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 11:11:17,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 64. [2022-12-14 11:11:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.564516129032258) internal successors, (97), 63 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 97 transitions. [2022-12-14 11:11:17,482 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 97 transitions. Word has length 13 [2022-12-14 11:11:17,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:17,482 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 97 transitions. [2022-12-14 11:11:17,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2022-12-14 11:11:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:17,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:17,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:17,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 11:11:17,483 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1579507470, now seen corresponding path program 18 times [2022-12-14 11:11:17,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:17,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326101142] [2022-12-14 11:11:17,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:17,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:17,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:17,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326101142] [2022-12-14 11:11:17,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326101142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:17,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:17,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:17,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548594687] [2022-12-14 11:11:17,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:17,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:17,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:17,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:17,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:17,867 INFO L87 Difference]: Start difference. First operand 64 states and 97 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:18,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:18,322 INFO L93 Difference]: Finished difference Result 88 states and 127 transitions. [2022-12-14 11:11:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:11:18,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:18,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:18,323 INFO L225 Difference]: With dead ends: 88 [2022-12-14 11:11:18,323 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 11:11:18,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:11:18,324 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:18,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:18,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 11:11:18,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2022-12-14 11:11:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 67 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2022-12-14 11:11:18,325 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 13 [2022-12-14 11:11:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:18,325 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2022-12-14 11:11:18,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2022-12-14 11:11:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:18,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:18,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:18,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 11:11:18,326 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1579410750, now seen corresponding path program 19 times [2022-12-14 11:11:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:18,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516102286] [2022-12-14 11:11:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:18,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:18,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516102286] [2022-12-14 11:11:18,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516102286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:18,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:18,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:18,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575587615] [2022-12-14 11:11:18,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:18,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:18,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:18,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:18,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:18,868 INFO L87 Difference]: Start difference. First operand 68 states and 104 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) [2022-12-14 11:11:19,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:19,233 INFO L93 Difference]: Finished difference Result 98 states and 138 transitions. [2022-12-14 11:11:19,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:11:19,233 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 [2022-12-14 11:11:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:19,233 INFO L225 Difference]: With dead ends: 98 [2022-12-14 11:11:19,234 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 11:11:19,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:11:19,234 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:19,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 11:11:19,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 69. [2022-12-14 11:11:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 68 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 105 transitions. [2022-12-14 11:11:19,235 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 105 transitions. Word has length 13 [2022-12-14 11:11:19,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:19,235 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 105 transitions. [2022-12-14 11:11:19,235 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) [2022-12-14 11:11:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2022-12-14 11:11:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:19,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:19,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:19,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 11:11:19,236 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:19,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:19,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1556029620, now seen corresponding path program 20 times [2022-12-14 11:11:19,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:19,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285659207] [2022-12-14 11:11:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:19,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:19,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:19,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285659207] [2022-12-14 11:11:19,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285659207] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:19,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:19,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:19,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791865116] [2022-12-14 11:11:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:19,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:19,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:19,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:19,540 INFO L87 Difference]: Start difference. First operand 69 states and 105 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:19,783 INFO L93 Difference]: Finished difference Result 99 states and 137 transitions. [2022-12-14 11:11:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:19,784 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:19,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:19,784 INFO L225 Difference]: With dead ends: 99 [2022-12-14 11:11:19,784 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 11:11:19,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:19,784 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 87 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:19,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 0 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:19,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 11:11:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2022-12-14 11:11:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.53125) internal successors, (98), 65 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) [2022-12-14 11:11:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2022-12-14 11:11:19,786 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 13 [2022-12-14 11:11:19,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:19,786 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2022-12-14 11:11:19,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2022-12-14 11:11:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:19,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:19,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:19,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 11:11:19,786 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash 118714992, now seen corresponding path program 21 times [2022-12-14 11:11:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:19,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559692956] [2022-12-14 11:11:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:20,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:20,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559692956] [2022-12-14 11:11:20,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559692956] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:20,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:20,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:20,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548274827] [2022-12-14 11:11:20,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:20,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:20,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:20,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:20,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:20,134 INFO L87 Difference]: Start difference. First operand 66 states and 98 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:20,414 INFO L93 Difference]: Finished difference Result 94 states and 128 transitions. [2022-12-14 11:11:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:20,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:20,414 INFO L225 Difference]: With dead ends: 94 [2022-12-14 11:11:20,414 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 11:11:20,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:20,415 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:20,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 0 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:20,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 11:11:20,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 60. [2022-12-14 11:11:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 59 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2022-12-14 11:11:20,416 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 13 [2022-12-14 11:11:20,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:20,416 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2022-12-14 11:11:20,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2022-12-14 11:11:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:20,416 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:20,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:20,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 11:11:20,417 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:20,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2010684892, now seen corresponding path program 22 times [2022-12-14 11:11:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:20,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994071398] [2022-12-14 11:11:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:20,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:20,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994071398] [2022-12-14 11:11:20,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994071398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:20,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:20,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:20,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7338921] [2022-12-14 11:11:20,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:20,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:20,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:20,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:20,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:20,724 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:20,950 INFO L93 Difference]: Finished difference Result 72 states and 100 transitions. [2022-12-14 11:11:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:20,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:20,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:20,951 INFO L225 Difference]: With dead ends: 72 [2022-12-14 11:11:20,951 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 11:11:20,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:20,951 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:20,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:20,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 11:11:20,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 58. [2022-12-14 11:11:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2022-12-14 11:11:20,952 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 13 [2022-12-14 11:11:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:20,952 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2022-12-14 11:11:20,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2022-12-14 11:11:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:20,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:20,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:20,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-14 11:11:20,953 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1976723152, now seen corresponding path program 23 times [2022-12-14 11:11:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:20,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328049230] [2022-12-14 11:11:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:20,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:21,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:21,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328049230] [2022-12-14 11:11:21,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328049230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:21,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:21,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:21,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514193259] [2022-12-14 11:11:21,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:21,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:21,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:21,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:21,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:21,228 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:21,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:21,537 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2022-12-14 11:11:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:21,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:21,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:21,537 INFO L225 Difference]: With dead ends: 72 [2022-12-14 11:11:21,537 INFO L226 Difference]: Without dead ends: 62 [2022-12-14 11:11:21,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:21,538 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:21,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 0 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-14 11:11:21,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2022-12-14 11:11:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 77 transitions. [2022-12-14 11:11:21,539 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 77 transitions. Word has length 13 [2022-12-14 11:11:21,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:21,539 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 77 transitions. [2022-12-14 11:11:21,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2022-12-14 11:11:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:21,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:21,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:21,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-14 11:11:21,539 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:21,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:21,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1645444884, now seen corresponding path program 24 times [2022-12-14 11:11:21,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:21,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288465704] [2022-12-14 11:11:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:21,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:21,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288465704] [2022-12-14 11:11:21,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288465704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:21,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:21,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787896139] [2022-12-14 11:11:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:21,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:21,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:21,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:21,813 INFO L87 Difference]: Start difference. First operand 54 states and 77 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:22,105 INFO L93 Difference]: Finished difference Result 69 states and 92 transitions. [2022-12-14 11:11:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:22,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:22,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:22,106 INFO L225 Difference]: With dead ends: 69 [2022-12-14 11:11:22,106 INFO L226 Difference]: Without dead ends: 60 [2022-12-14 11:11:22,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:22,106 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:22,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-14 11:11:22,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2022-12-14 11:11:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 73 transitions. [2022-12-14 11:11:22,108 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 73 transitions. Word has length 13 [2022-12-14 11:11:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:22,108 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 73 transitions. [2022-12-14 11:11:22,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2022-12-14 11:11:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:22,108 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:22,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-12-14 11:11:22,109 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:22,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:22,109 INFO L85 PathProgramCache]: Analyzing trace with hash 100184246, now seen corresponding path program 25 times [2022-12-14 11:11:22,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:22,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774356472] [2022-12-14 11:11:22,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:22,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:22,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:22,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774356472] [2022-12-14 11:11:22,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774356472] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:22,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:22,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:22,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014700139] [2022-12-14 11:11:22,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:22,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:22,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:22,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:22,476 INFO L87 Difference]: Start difference. First operand 52 states and 73 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:22,758 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2022-12-14 11:11:22,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:22,758 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:22,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:22,758 INFO L225 Difference]: With dead ends: 66 [2022-12-14 11:11:22,759 INFO L226 Difference]: Without dead ends: 62 [2022-12-14 11:11:22,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:22,759 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:22,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 0 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:22,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-14 11:11:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2022-12-14 11:11:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 53 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2022-12-14 11:11:22,760 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 13 [2022-12-14 11:11:22,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:22,761 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2022-12-14 11:11:22,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-12-14 11:11:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:22,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:22,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:22,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-12-14 11:11:22,761 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash 100280966, now seen corresponding path program 26 times [2022-12-14 11:11:22,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:22,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273376425] [2022-12-14 11:11:22,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:23,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:23,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273376425] [2022-12-14 11:11:23,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273376425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:23,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:23,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:23,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772933758] [2022-12-14 11:11:23,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:23,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:23,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:23,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:23,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:23,274 INFO L87 Difference]: Start difference. First operand 54 states and 76 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) [2022-12-14 11:11:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:23,607 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2022-12-14 11:11:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:23,607 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 [2022-12-14 11:11:23,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:23,607 INFO L225 Difference]: With dead ends: 64 [2022-12-14 11:11:23,607 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 11:11:23,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:11:23,608 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:23,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:11:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 11:11:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2022-12-14 11:11:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2022-12-14 11:11:23,609 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 13 [2022-12-14 11:11:23,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:23,609 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2022-12-14 11:11:23,609 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) [2022-12-14 11:11:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2022-12-14 11:11:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:23,609 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:23,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:23,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-12-14 11:11:23,610 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:23,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:23,610 INFO L85 PathProgramCache]: Analyzing trace with hash 123662096, now seen corresponding path program 27 times [2022-12-14 11:11:23,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:23,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070651237] [2022-12-14 11:11:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:23,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:23,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:23,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070651237] [2022-12-14 11:11:23,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070651237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:23,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:23,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:23,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346185802] [2022-12-14 11:11:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:23,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:23,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:23,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:23,931 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:24,166 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2022-12-14 11:11:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:24,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:24,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:24,166 INFO L225 Difference]: With dead ends: 64 [2022-12-14 11:11:24,166 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 11:11:24,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:24,167 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 66 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:24,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 0 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 11:11:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2022-12-14 11:11:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2022-12-14 11:11:24,168 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 13 [2022-12-14 11:11:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:24,168 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2022-12-14 11:11:24,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2022-12-14 11:11:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:24,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:24,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:24,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-12-14 11:11:24,169 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:24,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash -845440308, now seen corresponding path program 28 times [2022-12-14 11:11:24,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:24,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601883405] [2022-12-14 11:11:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:24,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:24,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601883405] [2022-12-14 11:11:24,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601883405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:24,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:24,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:24,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276187421] [2022-12-14 11:11:24,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:24,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:24,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:24,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:24,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:24,547 INFO L87 Difference]: Start difference. First operand 50 states and 68 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:24,814 INFO L93 Difference]: Finished difference Result 62 states and 80 transitions. [2022-12-14 11:11:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:11:24,814 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:24,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:24,814 INFO L225 Difference]: With dead ends: 62 [2022-12-14 11:11:24,814 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 11:11:24,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:11:24,815 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:24,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 11:11:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2022-12-14 11:11:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2022-12-14 11:11:24,816 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 13 [2022-12-14 11:11:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:24,816 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2022-12-14 11:11:24,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-12-14 11:11:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:24,817 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:24,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:24,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-12-14 11:11:24,817 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:24,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2131197564, now seen corresponding path program 29 times [2022-12-14 11:11:24,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:24,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881941612] [2022-12-14 11:11:24,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:24,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:25,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:25,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881941612] [2022-12-14 11:11:25,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881941612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:25,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:25,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:25,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478972788] [2022-12-14 11:11:25,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:25,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:25,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:25,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:25,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:25,355 INFO L87 Difference]: Start difference. First operand 43 states and 60 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) [2022-12-14 11:11:25,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:25,700 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-12-14 11:11:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 11:11:25,701 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 [2022-12-14 11:11:25,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:25,701 INFO L225 Difference]: With dead ends: 58 [2022-12-14 11:11:25,701 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 11:11:25,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2022-12-14 11:11:25,701 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:25,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 0 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:25,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 11:11:25,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2022-12-14 11:11:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 45 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2022-12-14 11:11:25,702 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 13 [2022-12-14 11:11:25,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:25,702 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2022-12-14 11:11:25,702 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) [2022-12-14 11:11:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-12-14 11:11:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:25,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:25,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:25,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-12-14 11:11:25,703 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2131294284, now seen corresponding path program 30 times [2022-12-14 11:11:25,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:25,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731615781] [2022-12-14 11:11:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:26,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:26,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731615781] [2022-12-14 11:11:26,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731615781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:26,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:26,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:26,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104202297] [2022-12-14 11:11:26,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:26,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:26,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:26,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:26,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:26,031 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:26,258 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2022-12-14 11:11:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:26,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:26,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:26,259 INFO L225 Difference]: With dead ends: 54 [2022-12-14 11:11:26,259 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 11:11:26,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:26,260 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:26,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 11:11:26,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-14 11:11:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2022-12-14 11:11:26,261 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 13 [2022-12-14 11:11:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:26,261 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2022-12-14 11:11:26,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-14 11:11:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:26,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:26,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:26,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-12-14 11:11:26,261 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:26,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash -462733102, now seen corresponding path program 31 times [2022-12-14 11:11:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:26,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279717917] [2022-12-14 11:11:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:26,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:26,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279717917] [2022-12-14 11:11:26,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279717917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:26,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:26,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898570884] [2022-12-14 11:11:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:26,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:26,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:26,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:26,599 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:26,850 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2022-12-14 11:11:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:26,850 INFO L225 Difference]: With dead ends: 42 [2022-12-14 11:11:26,850 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 11:11:26,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:26,851 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:26,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:26,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 11:11:26,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-12-14 11:11:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2022-12-14 11:11:26,852 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 13 [2022-12-14 11:11:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:26,852 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-12-14 11:11:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-12-14 11:11:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:26,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:26,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:26,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-12-14 11:11:26,853 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:26,853 INFO L85 PathProgramCache]: Analyzing trace with hash -462636382, now seen corresponding path program 32 times [2022-12-14 11:11:26,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:26,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668999540] [2022-12-14 11:11:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:27,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:27,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668999540] [2022-12-14 11:11:27,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668999540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:27,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:27,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:11:27,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170777560] [2022-12-14 11:11:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:27,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:11:27,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:27,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:11:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:11:27,172 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:27,425 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2022-12-14 11:11:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:27,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 11:11:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:27,426 INFO L225 Difference]: With dead ends: 36 [2022-12-14 11:11:27,426 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 11:11:27,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:27,427 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:27,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:27,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 11:11:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 11:11:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.380952380952381) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-12-14 11:11:27,427 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 13 [2022-12-14 11:11:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:27,428 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-12-14 11:11:27,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 11:11:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:27,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:27,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:27,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-12-14 11:11:27,428 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash -902381982, now seen corresponding path program 33 times [2022-12-14 11:11:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:27,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576648624] [2022-12-14 11:11:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:27,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:27,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576648624] [2022-12-14 11:11:27,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576648624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:27,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:27,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:27,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562550693] [2022-12-14 11:11:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:27,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:27,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:27,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:27,966 INFO L87 Difference]: Start difference. First operand 23 states and 29 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) [2022-12-14 11:11:28,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:28,290 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-12-14 11:11:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:11:28,291 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 [2022-12-14 11:11:28,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:28,291 INFO L225 Difference]: With dead ends: 29 [2022-12-14 11:11:28,291 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 11:11:28,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:11:28,291 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:28,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:28,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 11:11:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-12-14 11:11:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-12-14 11:11:28,293 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 13 [2022-12-14 11:11:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:28,293 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-12-14 11:11:28,293 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) [2022-12-14 11:11:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-12-14 11:11:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:28,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:28,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:28,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-12-14 11:11:28,293 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -902381981, now seen corresponding path program 6 times [2022-12-14 11:11:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:28,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635139560] [2022-12-14 11:11:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:28,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:28,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635139560] [2022-12-14 11:11:28,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635139560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:28,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:28,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:28,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006800152] [2022-12-14 11:11:28,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:28,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:28,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:28,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:28,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:28,812 INFO L87 Difference]: Start difference. First operand 27 states and 34 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) [2022-12-14 11:11:29,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:29,110 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-12-14 11:11:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:11:29,110 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 [2022-12-14 11:11:29,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:29,111 INFO L225 Difference]: With dead ends: 27 [2022-12-14 11:11:29,111 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 11:11:29,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:11:29,111 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:29,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 11:11:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-14 11:11:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-12-14 11:11:29,112 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2022-12-14 11:11:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:29,112 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-12-14 11:11:29,112 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) [2022-12-14 11:11:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 11:11:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:29,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:29,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:29,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-12-14 11:11:29,113 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:29,113 INFO L85 PathProgramCache]: Analyzing trace with hash -891898092, now seen corresponding path program 34 times [2022-12-14 11:11:29,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:29,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400631358] [2022-12-14 11:11:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:29,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:29,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400631358] [2022-12-14 11:11:29,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400631358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:29,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:29,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:29,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649562601] [2022-12-14 11:11:29,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:29,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:29,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:29,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:29,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:29,656 INFO L87 Difference]: Start difference. First operand 21 states and 25 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) [2022-12-14 11:11:29,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:29,920 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2022-12-14 11:11:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:29,920 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 [2022-12-14 11:11:29,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:29,921 INFO L225 Difference]: With dead ends: 23 [2022-12-14 11:11:29,921 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 11:11:29,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:11:29,921 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:29,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 11:11:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 11:11:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2022-12-14 11:11:29,922 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 13 [2022-12-14 11:11:29,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:29,922 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-12-14 11:11:29,922 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) [2022-12-14 11:11:29,922 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 11:11:29,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:29,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:29,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:29,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-12-14 11:11:29,922 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash -891898091, now seen corresponding path program 7 times [2022-12-14 11:11:29,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:29,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683998975] [2022-12-14 11:11:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:30,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:30,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683998975] [2022-12-14 11:11:30,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683998975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:30,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:30,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:30,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753330602] [2022-12-14 11:11:30,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:30,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:30,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:30,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:30,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:30,529 INFO L87 Difference]: Start difference. First operand 23 states and 28 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) [2022-12-14 11:11:30,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:30,765 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-14 11:11:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:30,765 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 [2022-12-14 11:11:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:30,765 INFO L225 Difference]: With dead ends: 23 [2022-12-14 11:11:30,765 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 11:11:30,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:11:30,766 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:30,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:30,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 11:11:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 11:11:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-12-14 11:11:30,766 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 13 [2022-12-14 11:11:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:30,767 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-12-14 11:11:30,767 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) [2022-12-14 11:11:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-14 11:11:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:30,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:30,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:30,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-12-14 11:11:30,767 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:30,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash -891801372, now seen corresponding path program 35 times [2022-12-14 11:11:30,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:30,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233822323] [2022-12-14 11:11:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:31,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:31,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233822323] [2022-12-14 11:11:31,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233822323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:31,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:31,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:11:31,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225735002] [2022-12-14 11:11:31,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:31,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:11:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:11:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:11:31,192 INFO L87 Difference]: Start difference. First operand 19 states and 21 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) [2022-12-14 11:11:31,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:31,463 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-12-14 11:11:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:11:31,464 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 [2022-12-14 11:11:31,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:31,464 INFO L225 Difference]: With dead ends: 17 [2022-12-14 11:11:31,464 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 11:11:31,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-12-14 11:11:31,464 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:31,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 11:11:31,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-14 11:11:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-14 11:11:31,465 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2022-12-14 11:11:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:31,465 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-14 11:11:31,465 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) [2022-12-14 11:11:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 11:11:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:11:31,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:31,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:11:31,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-12-14 11:11:31,465 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-14 11:11:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:31,466 INFO L85 PathProgramCache]: Analyzing trace with hash -891801371, now seen corresponding path program 8 times [2022-12-14 11:11:31,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:31,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91129319] [2022-12-14 11:11:31,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:31,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:11:31,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:31,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91129319] [2022-12-14 11:11:31,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91129319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:11:31,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:11:31,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 11:11:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237320536] [2022-12-14 11:11:31,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:11:31,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:31,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:31,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:31,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-12-14 11:11:31,953 INFO L87 Difference]: Start difference. First operand 17 states and 18 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) [2022-12-14 11:11:32,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:32,201 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-14 11:11:32,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 11:11:32,201 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 [2022-12-14 11:11:32,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:32,201 INFO L225 Difference]: With dead ends: 15 [2022-12-14 11:11:32,201 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 11:11:32,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-12-14 11:11:32,201 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:32,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:11:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 11:11:32,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 11:11:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:11:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 11:11:32,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-12-14 11:11:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:32,202 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 11:11:32,202 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) [2022-12-14 11:11:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 11:11:32,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 11:11:32,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 11:11:32,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 11:11:32,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 11:11:32,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-12-14 11:11:32,206 INFO L445 BasicCegarLoop]: Path program histogram: [35, 8, 7, 5, 5, 2, 2, 2, 1, 1, 1] [2022-12-14 11:11:32,209 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 11:11:32,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:11:32,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:11:32 BasicIcfg [2022-12-14 11:11:32,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:11:32,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:11:32,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:11:32,211 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:11:32,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:09:55" (3/4) ... [2022-12-14 11:11:32,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 11:11:32,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-12-14 11:11:32,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 11:11:32,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 11:11:32,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 11:11:32,219 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 11:11:32,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:11:32,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:11:32,241 INFO L158 Benchmark]: Toolchain (without parser) took 97715.38ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 129.6MB in the beginning and 191.1MB in the end (delta: -61.5MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.46ms. Allocated memory is still 165.7MB. Free memory was 129.6MB in the beginning and 74.8MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.45ms. Allocated memory is still 165.7MB. Free memory was 74.8MB in the beginning and 71.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: Boogie Preprocessor took 38.65ms. Allocated memory is still 165.7MB. Free memory was 71.2MB in the beginning and 68.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: RCFGBuilder took 477.07ms. Allocated memory is still 165.7MB. Free memory was 68.5MB in the beginning and 122.4MB in the end (delta: -53.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,241 INFO L158 Benchmark]: TraceAbstraction took 96378.16ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 121.6MB in the beginning and 195.3MB in the end (delta: -73.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,242 INFO L158 Benchmark]: Witness Printer took 30.29ms. Allocated memory is still 287.3MB. Free memory was 195.3MB in the beginning and 191.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:11:32,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.46ms. Allocated memory is still 165.7MB. Free memory was 129.6MB in the beginning and 74.8MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.45ms. Allocated memory is still 165.7MB. Free memory was 74.8MB in the beginning and 71.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.65ms. Allocated memory is still 165.7MB. Free memory was 71.2MB in the beginning and 68.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.07ms. Allocated memory is still 165.7MB. Free memory was 68.5MB in the beginning and 122.4MB in the end (delta: -53.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 96378.16ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 121.6MB in the beginning and 195.3MB in the end (delta: -73.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 30.29ms. Allocated memory is still 287.3MB. Free memory was 195.3MB in the beginning and 191.1MB 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: 45.0s, 163 PlacesBefore, 33 PlacesAfterwards, 163 TransitionsBefore, 30 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 7 FixpointIterations, 83 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 22 ConcurrentYvCompositions, 3 ChoiceCompositions, 172 TotalNumberOfCompositions, 5836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2985, independent: 2795, independent conditional: 0, independent unconditional: 2795, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2099, independent: 2035, independent conditional: 0, independent unconditional: 2035, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2099, independent: 2026, independent conditional: 0, independent unconditional: 2026, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32021, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 1892, dependent conditional: 0, dependent unconditional: 1892, unknown: 30026, unknown conditional: 0, unknown unconditional: 30026] ], Cache Queries: [ total: 2985, independent: 760, independent conditional: 0, independent unconditional: 760, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 2130, unknown conditional: 0, unknown unconditional: 2130] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 5, Unknown conditional cache size: 0, Unknown unconditional cache size: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 172 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 96.3s, OverallIterations: 69, TraceHistogramMax: 1, PathProgramHistogramMax: 35, EmptinessCheckTime: 0.0s, AutomataDifference: 23.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 45.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3542 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3542 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 948 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11849 IncrementalHoareTripleChecker+Invalid, 12797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 948 mSolverCounterUnsat, 8 mSDtfsCounter, 11849 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1012 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=0, InterpolantAutomatonStates: 779, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 69 MinimizatonAttempts, 1169 StatesRemovedByMinimization, 58 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 768 NumberOfCodeBlocks, 768 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 11386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 69 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! [2022-12-14 11:11:32,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c75c4f-c8dc-4fbb-85a0-c2d84b1d254a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE