./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur --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 a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- 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-38b53e6 [2022-11-26 00:16:38,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:38,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:38,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:38,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:38,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:38,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:38,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:38,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:38,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:38,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:38,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:38,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:38,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:38,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:38,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:38,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:38,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:38,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:38,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:38,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:38,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:38,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:38,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:38,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:38,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:38,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:38,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:38,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:38,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:38,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:38,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:38,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:38,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:38,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:38,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:38,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:38,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:38,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:38,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:38,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:38,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:16:38,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:38,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:38,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:38,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:38,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:38,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:38,644 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:38,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:38,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:38,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:16:38,645 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:38,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:38,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:16:38,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:16:38,646 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:38,646 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:16:38,646 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:16:38,646 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:16:38,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:38,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:16:38,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:16:38,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:16:38,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:16:38,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:38,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:38,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:38,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:38,649 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:16:38,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:16:38,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:38,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:38,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:38,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:38,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:38,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:38,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:38,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:16:38,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:38,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:38,653 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:16:38,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:16:38,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:38,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:38,654 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_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2022-11-26 00:16:38,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:38,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:38,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:38,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:38,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:38,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2022-11-26 00:16:42,064 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:42,405 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:42,406 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2022-11-26 00:16:42,436 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/data/dd720025b/1f05fda430164da0b5e990006e86c45d/FLAG97076e79f [2022-11-26 00:16:42,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/data/dd720025b/1f05fda430164da0b5e990006e86c45d [2022-11-26 00:16:42,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:42,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:42,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:42,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:42,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:42,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:42" (1/1) ... [2022-11-26 00:16:42,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df5f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:42, skipping insertion in model container [2022-11-26 00:16:42,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:42" (1/1) ... [2022-11-26 00:16:42,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:42,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:42,687 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:43,326 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_bc2f8699-22ce-4dae-9747-21b814995595/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2022-11-26 00:16:43,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:43,399 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:16:43,411 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:43,450 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_bc2f8699-22ce-4dae-9747-21b814995595/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2022-11-26 00:16:43,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:16:43,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:16:43,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:43,624 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:16:43,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43 WrapperNode [2022-11-26 00:16:43,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:43,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:43,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:16:43,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:16:43,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,752 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-11-26 00:16:43,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:43,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:16:43,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:16:43,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:16:43,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:16:43,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:16:43,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:16:43,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:16:43,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (1/1) ... [2022-11-26 00:16:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:43,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:16:43,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:16:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:16:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:16:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:16:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:16:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:16:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:16:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:16:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:16:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:16:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-26 00:16:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-26 00:16:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:16:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:16:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:16:43,920 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:16:44,295 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:16:44,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:16:44,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:16:44,674 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:16:44,684 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:16:44,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:44 BoogieIcfgContainer [2022-11-26 00:16:44,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:16:44,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:16:44,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:16:44,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:16:44,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:16:42" (1/3) ... [2022-11-26 00:16:44,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@904dda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:44, skipping insertion in model container [2022-11-26 00:16:44,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:43" (2/3) ... [2022-11-26 00:16:44,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@904dda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:44, skipping insertion in model container [2022-11-26 00:16:44,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:44" (3/3) ... [2022-11-26 00:16:44,696 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2022-11-26 00:16:44,705 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:16:44,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:16:44,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:16:44,714 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:16:44,784 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-26 00:16:44,822 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:16:44,838 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 173 transitions, 362 flow [2022-11-26 00:16:44,842 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 173 transitions, 362 flow [2022-11-26 00:16:44,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 173 transitions, 362 flow [2022-11-26 00:16:44,930 INFO L130 PetriNetUnfolder]: 8/216 cut-off events. [2022-11-26 00:16:44,931 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 00:16:44,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 216 events. 8/216 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 349 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2022-11-26 00:16:44,939 INFO L119 LiptonReduction]: Number of co-enabled transitions 3900 [2022-11-26 00:17:47,639 INFO L134 LiptonReduction]: Checked pairs total: 10285 [2022-11-26 00:17:47,639 INFO L136 LiptonReduction]: Total number of compositions: 180 [2022-11-26 00:17:47,646 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 37 transitions, 90 flow [2022-11-26 00:17:47,724 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:47,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:17:47,750 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;@1ff5ca90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:17:47,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:17:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:17:47,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:47,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:17:47,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:47,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:47,766 INFO L85 PathProgramCache]: Analyzing trace with hash 623391255, now seen corresponding path program 1 times [2022-11-26 00:17:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516259617] [2022-11-26 00:17:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:48,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:48,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516259617] [2022-11-26 00:17:48,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516259617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:48,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:48,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:17:48,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579382133] [2022-11-26 00:17:48,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:48,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:48,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:48,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:48,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:48,946 INFO L87 Difference]: Start difference. First operand has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:49,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:49,265 INFO L93 Difference]: Finished difference Result 716 states and 1786 transitions. [2022-11-26 00:17:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:49,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:17:49,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:49,286 INFO L225 Difference]: With dead ends: 716 [2022-11-26 00:17:49,286 INFO L226 Difference]: Without dead ends: 663 [2022-11-26 00:17:49,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:17:49,292 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:49,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:49,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-11-26 00:17:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 582. [2022-11-26 00:17:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 566 states have (on average 2.636042402826855) internal successors, (1492), 581 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1492 transitions. [2022-11-26 00:17:49,369 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1492 transitions. Word has length 5 [2022-11-26 00:17:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:49,369 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 1492 transitions. [2022-11-26 00:17:49,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1492 transitions. [2022-11-26 00:17:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:17:49,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:49,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:17:49,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:17:49,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:49,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:49,372 INFO L85 PathProgramCache]: Analyzing trace with hash 623391256, now seen corresponding path program 1 times [2022-11-26 00:17:49,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:49,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697452094] [2022-11-26 00:17:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:49,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:49,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:49,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697452094] [2022-11-26 00:17:49,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697452094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:49,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:49,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:17:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453255449] [2022-11-26 00:17:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:49,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:17:49,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:49,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:17:49,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:49,854 INFO L87 Difference]: Start difference. First operand 582 states and 1492 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:50,049 INFO L93 Difference]: Finished difference Result 581 states and 1490 transitions. [2022-11-26 00:17:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:50,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:17:50,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:50,053 INFO L225 Difference]: With dead ends: 581 [2022-11-26 00:17:50,054 INFO L226 Difference]: Without dead ends: 581 [2022-11-26 00:17:50,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:17:50,055 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:50,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:50,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-11-26 00:17:50,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2022-11-26 00:17:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 565 states have (on average 2.6371681415929205) internal successors, (1490), 580 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1490 transitions. [2022-11-26 00:17:50,104 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1490 transitions. Word has length 5 [2022-11-26 00:17:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:50,105 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 1490 transitions. [2022-11-26 00:17:50,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1490 transitions. [2022-11-26 00:17:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:17:50,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:50,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:17:50,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:17:50,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:50,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2145263761, now seen corresponding path program 1 times [2022-11-26 00:17:50,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:50,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829271459] [2022-11-26 00:17:50,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:50,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:50,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829271459] [2022-11-26 00:17:50,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829271459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:50,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:50,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:50,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504921894] [2022-11-26 00:17:50,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:50,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:50,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:50,694 INFO L87 Difference]: Start difference. First operand 581 states and 1490 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:50,930 INFO L93 Difference]: Finished difference Result 575 states and 1474 transitions. [2022-11-26 00:17:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:50,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:17:50,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:50,934 INFO L225 Difference]: With dead ends: 575 [2022-11-26 00:17:50,934 INFO L226 Difference]: Without dead ends: 575 [2022-11-26 00:17:50,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:17:50,938 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:50,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2022-11-26 00:17:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2022-11-26 00:17:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 559 states have (on average 2.636851520572451) internal successors, (1474), 574 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1474 transitions. [2022-11-26 00:17:50,959 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1474 transitions. Word has length 6 [2022-11-26 00:17:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:50,959 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 1474 transitions. [2022-11-26 00:17:50,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1474 transitions. [2022-11-26 00:17:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:17:50,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:50,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:50,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:17:50,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2079378328, now seen corresponding path program 1 times [2022-11-26 00:17:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:50,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873444959] [2022-11-26 00:17:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:51,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:51,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873444959] [2022-11-26 00:17:51,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873444959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:51,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:51,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:51,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904886020] [2022-11-26 00:17:51,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:51,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:51,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:51,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:51,603 INFO L87 Difference]: Start difference. First operand 575 states and 1474 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:51,822 INFO L93 Difference]: Finished difference Result 571 states and 1462 transitions. [2022-11-26 00:17:51,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:51,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:17:51,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:51,826 INFO L225 Difference]: With dead ends: 571 [2022-11-26 00:17:51,826 INFO L226 Difference]: Without dead ends: 571 [2022-11-26 00:17:51,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:17:51,827 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:51,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-11-26 00:17:51,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-11-26 00:17:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 555 states have (on average 2.6342342342342344) internal successors, (1462), 570 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1462 transitions. [2022-11-26 00:17:51,849 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1462 transitions. Word has length 7 [2022-11-26 00:17:51,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:51,849 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 1462 transitions. [2022-11-26 00:17:51,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1462 transitions. [2022-11-26 00:17:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:17:51,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:51,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:51,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:17:51,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:51,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:51,852 INFO L85 PathProgramCache]: Analyzing trace with hash 14163974, now seen corresponding path program 1 times [2022-11-26 00:17:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:51,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633760500] [2022-11-26 00:17:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:52,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:52,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633760500] [2022-11-26 00:17:52,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633760500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:52,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:52,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:52,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816694888] [2022-11-26 00:17:52,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:52,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:17:52,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:52,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:17:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:17:52,482 INFO L87 Difference]: Start difference. First operand 571 states and 1462 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:52,769 INFO L93 Difference]: Finished difference Result 567 states and 1450 transitions. [2022-11-26 00:17:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:17:52,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:17:52,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:52,772 INFO L225 Difference]: With dead ends: 567 [2022-11-26 00:17:52,773 INFO L226 Difference]: Without dead ends: 567 [2022-11-26 00:17:52,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:17:52,774 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:52,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:52,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-11-26 00:17:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2022-11-26 00:17:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 551 states have (on average 2.6315789473684212) internal successors, (1450), 566 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 1450 transitions. [2022-11-26 00:17:52,792 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 1450 transitions. Word has length 8 [2022-11-26 00:17:52,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:52,793 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 1450 transitions. [2022-11-26 00:17:52,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1450 transitions. [2022-11-26 00:17:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:17:52,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:52,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:52,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:17:52,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:52,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash 36309223, now seen corresponding path program 1 times [2022-11-26 00:17:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:52,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008330915] [2022-11-26 00:17:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:52,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:53,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:53,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008330915] [2022-11-26 00:17:53,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008330915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:53,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:53,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:17:53,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579338866] [2022-11-26 00:17:53,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:17:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:17:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:17:53,333 INFO L87 Difference]: Start difference. First operand 567 states and 1450 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:53,621 INFO L93 Difference]: Finished difference Result 563 states and 1438 transitions. [2022-11-26 00:17:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:17:53,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:17:53,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:53,625 INFO L225 Difference]: With dead ends: 563 [2022-11-26 00:17:53,625 INFO L226 Difference]: Without dead ends: 563 [2022-11-26 00:17:53,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:17:53,626 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:53,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-11-26 00:17:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2022-11-26 00:17:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 2.6288848263254114) internal successors, (1438), 562 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1438 transitions. [2022-11-26 00:17:53,645 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1438 transitions. Word has length 8 [2022-11-26 00:17:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:53,645 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 1438 transitions. [2022-11-26 00:17:53,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1438 transitions. [2022-11-26 00:17:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:53,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:53,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:53,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:17:53,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:53,648 INFO L85 PathProgramCache]: Analyzing trace with hash 439113022, now seen corresponding path program 1 times [2022-11-26 00:17:53,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:53,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843052771] [2022-11-26 00:17:53,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:54,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:54,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843052771] [2022-11-26 00:17:54,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843052771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:54,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:54,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:17:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811953953] [2022-11-26 00:17:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:54,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:54,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:54,036 INFO L87 Difference]: Start difference. First operand 563 states and 1438 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:54,266 INFO L93 Difference]: Finished difference Result 711 states and 1697 transitions. [2022-11-26 00:17:54,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:54,270 INFO L225 Difference]: With dead ends: 711 [2022-11-26 00:17:54,271 INFO L226 Difference]: Without dead ends: 711 [2022-11-26 00:17:54,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:17:54,272 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 129 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:54,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 17 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-26 00:17:54,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 619. [2022-11-26 00:17:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 599 states have (on average 2.5776293823038396) internal successors, (1544), 618 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 1544 transitions. [2022-11-26 00:17:54,294 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 1544 transitions. Word has length 9 [2022-11-26 00:17:54,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:54,294 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 1544 transitions. [2022-11-26 00:17:54,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1544 transitions. [2022-11-26 00:17:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:54,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:54,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:17:54,296 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash 439079329, now seen corresponding path program 1 times [2022-11-26 00:17:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246034523] [2022-11-26 00:17:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:54,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:54,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246034523] [2022-11-26 00:17:54,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246034523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:54,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:54,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:54,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669116295] [2022-11-26 00:17:54,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:54,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:54,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:54,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:54,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:54,564 INFO L87 Difference]: Start difference. First operand 619 states and 1544 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:54,847 INFO L93 Difference]: Finished difference Result 800 states and 1974 transitions. [2022-11-26 00:17:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:54,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:54,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:54,852 INFO L225 Difference]: With dead ends: 800 [2022-11-26 00:17:54,852 INFO L226 Difference]: Without dead ends: 796 [2022-11-26 00:17:54,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:17:54,853 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 101 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:54,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 4 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2022-11-26 00:17:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 671. [2022-11-26 00:17:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 653 states have (on average 2.5911179173047474) internal successors, (1692), 670 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1692 transitions. [2022-11-26 00:17:54,877 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1692 transitions. Word has length 9 [2022-11-26 00:17:54,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:54,878 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 1692 transitions. [2022-11-26 00:17:54,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1692 transitions. [2022-11-26 00:17:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:54,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:54,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:17:54,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1125582168, now seen corresponding path program 1 times [2022-11-26 00:17:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:54,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566120277] [2022-11-26 00:17:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:54,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:55,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:55,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566120277] [2022-11-26 00:17:55,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566120277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:55,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:55,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:55,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566675330] [2022-11-26 00:17:55,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:55,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:55,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:55,121 INFO L87 Difference]: Start difference. First operand 671 states and 1692 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:55,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:55,384 INFO L93 Difference]: Finished difference Result 857 states and 2090 transitions. [2022-11-26 00:17:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:17:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:55,389 INFO L225 Difference]: With dead ends: 857 [2022-11-26 00:17:55,389 INFO L226 Difference]: Without dead ends: 857 [2022-11-26 00:17:55,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:17:55,390 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 97 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:55,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 6 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2022-11-26 00:17:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 737. [2022-11-26 00:17:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 719 states have (on average 2.588317107093185) internal successors, (1861), 736 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1861 transitions. [2022-11-26 00:17:55,417 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1861 transitions. Word has length 9 [2022-11-26 00:17:55,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:55,417 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1861 transitions. [2022-11-26 00:17:55,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1861 transitions. [2022-11-26 00:17:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:55,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:55,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:55,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:17:55,419 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:55,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1126593202, now seen corresponding path program 2 times [2022-11-26 00:17:55,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:55,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966546085] [2022-11-26 00:17:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:55,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:56,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:56,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966546085] [2022-11-26 00:17:56,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966546085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:56,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:56,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:17:56,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640005366] [2022-11-26 00:17:56,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:56,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:17:56,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:56,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:17:56,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:17:56,064 INFO L87 Difference]: Start difference. First operand 737 states and 1861 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:56,725 INFO L93 Difference]: Finished difference Result 745 states and 1883 transitions. [2022-11-26 00:17:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:17:56,726 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:56,730 INFO L225 Difference]: With dead ends: 745 [2022-11-26 00:17:56,730 INFO L226 Difference]: Without dead ends: 745 [2022-11-26 00:17:56,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:17:56,731 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:56,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:17:56,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-26 00:17:56,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2022-11-26 00:17:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 727 states have (on average 2.5900962861072903) internal successors, (1883), 744 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1883 transitions. [2022-11-26 00:17:56,754 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1883 transitions. Word has length 9 [2022-11-26 00:17:56,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:56,754 INFO L495 AbstractCegarLoop]: Abstraction has 745 states and 1883 transitions. [2022-11-26 00:17:56,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1883 transitions. [2022-11-26 00:17:56,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:56,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:56,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:56,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:17:56,756 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:56,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1090523028, now seen corresponding path program 2 times [2022-11-26 00:17:56,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:56,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791757182] [2022-11-26 00:17:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:56,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:57,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:57,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791757182] [2022-11-26 00:17:57,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791757182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:57,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:57,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:57,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330980978] [2022-11-26 00:17:57,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:57,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:57,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:57,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:57,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:57,067 INFO L87 Difference]: Start difference. First operand 745 states and 1883 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:57,381 INFO L93 Difference]: Finished difference Result 1024 states and 2493 transitions. [2022-11-26 00:17:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:17:57,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:57,387 INFO L225 Difference]: With dead ends: 1024 [2022-11-26 00:17:57,387 INFO L226 Difference]: Without dead ends: 1024 [2022-11-26 00:17:57,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:17:57,388 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:57,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 2 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:57,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-11-26 00:17:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 730. [2022-11-26 00:17:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 712 states have (on average 2.5702247191011236) internal successors, (1830), 729 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1830 transitions. [2022-11-26 00:17:57,415 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1830 transitions. Word has length 9 [2022-11-26 00:17:57,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:57,415 INFO L495 AbstractCegarLoop]: Abstraction has 730 states and 1830 transitions. [2022-11-26 00:17:57,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1830 transitions. [2022-11-26 00:17:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:57,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:57,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:57,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:17:57,417 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:57,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1090525729, now seen corresponding path program 2 times [2022-11-26 00:17:57,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:57,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634676713] [2022-11-26 00:17:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:57,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:57,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:57,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634676713] [2022-11-26 00:17:57,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634676713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:57,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:57,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:57,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303835291] [2022-11-26 00:17:57,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:57,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:17:57,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:57,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:17:57,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:17:57,707 INFO L87 Difference]: Start difference. First operand 730 states and 1830 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:57,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:57,995 INFO L93 Difference]: Finished difference Result 943 states and 2276 transitions. [2022-11-26 00:17:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:17:57,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:58,001 INFO L225 Difference]: With dead ends: 943 [2022-11-26 00:17:58,001 INFO L226 Difference]: Without dead ends: 937 [2022-11-26 00:17:58,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:17:58,002 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:58,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 2 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:17:58,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2022-11-26 00:17:58,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 704. [2022-11-26 00:17:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 686 states have (on average 2.561224489795918) internal successors, (1757), 703 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1757 transitions. [2022-11-26 00:17:58,026 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1757 transitions. Word has length 9 [2022-11-26 00:17:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:58,026 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 1757 transitions. [2022-11-26 00:17:58,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1757 transitions. [2022-11-26 00:17:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:58,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:58,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:58,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:17:58,028 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:58,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1125497662, now seen corresponding path program 3 times [2022-11-26 00:17:58,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:58,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882752186] [2022-11-26 00:17:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:58,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:17:58,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:58,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882752186] [2022-11-26 00:17:58,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882752186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:58,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:58,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:17:58,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141191198] [2022-11-26 00:17:58,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:58,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:17:58,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:58,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:17:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:17:58,624 INFO L87 Difference]: Start difference. First operand 704 states and 1757 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:59,349 INFO L93 Difference]: Finished difference Result 709 states and 1770 transitions. [2022-11-26 00:17:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:17:59,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-26 00:17:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:59,354 INFO L225 Difference]: With dead ends: 709 [2022-11-26 00:17:59,354 INFO L226 Difference]: Without dead ends: 709 [2022-11-26 00:17:59,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:17:59,355 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:59,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:17:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-11-26 00:17:59,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 704. [2022-11-26 00:17:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 686 states have (on average 2.561224489795918) internal successors, (1757), 703 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1757 transitions. [2022-11-26 00:17:59,383 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1757 transitions. Word has length 9 [2022-11-26 00:17:59,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:59,383 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 1757 transitions. [2022-11-26 00:17:59,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:17:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1757 transitions. [2022-11-26 00:17:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:17:59,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:59,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:59,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:17:59,385 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:17:59,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:59,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1127486932, now seen corresponding path program 4 times [2022-11-26 00:17:59,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:59,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268829171] [2022-11-26 00:17:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:00,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:00,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268829171] [2022-11-26 00:18:00,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268829171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:00,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:00,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:18:00,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103843568] [2022-11-26 00:18:00,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:00,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:18:00,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:00,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:18:00,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:18:00,018 INFO L87 Difference]: Start difference. First operand 704 states and 1757 transitions. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:00,708 INFO L93 Difference]: Finished difference Result 697 states and 1734 transitions. [2022-11-26 00:18:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:18:00,709 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 [2022-11-26 00:18:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:00,712 INFO L225 Difference]: With dead ends: 697 [2022-11-26 00:18:00,713 INFO L226 Difference]: Without dead ends: 697 [2022-11-26 00:18:00,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:18:00,713 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:00,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-11-26 00:18:00,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 684. [2022-11-26 00:18:00,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 666 states have (on average 2.551051051051051) internal successors, (1699), 683 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1699 transitions. [2022-11-26 00:18:00,736 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1699 transitions. Word has length 9 [2022-11-26 00:18:00,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:00,736 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 1699 transitions. [2022-11-26 00:18:00,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1699 transitions. [2022-11-26 00:18:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:18:00,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:00,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:00,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:18:00,738 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:00,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:00,738 INFO L85 PathProgramCache]: Analyzing trace with hash 537237569, now seen corresponding path program 1 times [2022-11-26 00:18:00,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:00,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132679811] [2022-11-26 00:18:00,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:00,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:01,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:01,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132679811] [2022-11-26 00:18:01,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132679811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:01,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:01,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034260378] [2022-11-26 00:18:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:01,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:01,442 INFO L87 Difference]: Start difference. First operand 684 states and 1699 transitions. Second operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:02,203 INFO L93 Difference]: Finished difference Result 711 states and 1774 transitions. [2022-11-26 00:18:02,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:18:02,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:18:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:02,207 INFO L225 Difference]: With dead ends: 711 [2022-11-26 00:18:02,207 INFO L226 Difference]: Without dead ends: 711 [2022-11-26 00:18:02,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:18:02,210 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:02,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-26 00:18:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 700. [2022-11-26 00:18:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 682 states have (on average 2.5557184750733137) internal successors, (1743), 699 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1743 transitions. [2022-11-26 00:18:02,230 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1743 transitions. Word has length 10 [2022-11-26 00:18:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:02,230 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 1743 transitions. [2022-11-26 00:18:02,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1743 transitions. [2022-11-26 00:18:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:18:02,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:02,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:02,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:18:02,232 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:02,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash -322732501, now seen corresponding path program 2 times [2022-11-26 00:18:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:02,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284782460] [2022-11-26 00:18:02,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:02,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:02,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:02,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284782460] [2022-11-26 00:18:02,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284782460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:02,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:02,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:18:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543009160] [2022-11-26 00:18:02,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:02,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:18:02,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:02,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:18:02,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:02,572 INFO L87 Difference]: Start difference. First operand 700 states and 1743 transitions. Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:02,850 INFO L93 Difference]: Finished difference Result 334 states and 617 transitions. [2022-11-26 00:18:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:02,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:18:02,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:02,852 INFO L225 Difference]: With dead ends: 334 [2022-11-26 00:18:02,852 INFO L226 Difference]: Without dead ends: 334 [2022-11-26 00:18:02,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:02,853 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 136 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:02,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 11 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:18:02,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-26 00:18:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 266. [2022-11-26 00:18:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 254 states have (on average 1.9173228346456692) internal successors, (487), 265 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 487 transitions. [2022-11-26 00:18:02,862 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 487 transitions. Word has length 10 [2022-11-26 00:18:02,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:02,864 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 487 transitions. [2022-11-26 00:18:02,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 487 transitions. [2022-11-26 00:18:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:02,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:02,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:02,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:18:02,866 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:02,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:02,867 INFO L85 PathProgramCache]: Analyzing trace with hash 848688143, now seen corresponding path program 1 times [2022-11-26 00:18:02,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:02,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809246324] [2022-11-26 00:18:02,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:02,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:03,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:03,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809246324] [2022-11-26 00:18:03,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809246324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:03,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:03,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:03,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507533420] [2022-11-26 00:18:03,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:03,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:03,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:03,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:03,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:03,648 INFO L87 Difference]: Start difference. First operand 266 states and 487 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:04,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:04,924 INFO L93 Difference]: Finished difference Result 430 states and 761 transitions. [2022-11-26 00:18:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:04,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:04,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:04,926 INFO L225 Difference]: With dead ends: 430 [2022-11-26 00:18:04,926 INFO L226 Difference]: Without dead ends: 430 [2022-11-26 00:18:04,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:04,927 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 122 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:04,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 6 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:18:04,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-26 00:18:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 286. [2022-11-26 00:18:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 274 states have (on average 1.9124087591240877) internal successors, (524), 285 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 524 transitions. [2022-11-26 00:18:04,936 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 524 transitions. Word has length 12 [2022-11-26 00:18:04,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:04,936 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 524 transitions. [2022-11-26 00:18:04,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 524 transitions. [2022-11-26 00:18:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:04,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:04,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:04,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:18:04,937 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:04,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash 848688144, now seen corresponding path program 1 times [2022-11-26 00:18:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:04,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566004165] [2022-11-26 00:18:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:05,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:05,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566004165] [2022-11-26 00:18:05,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566004165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:05,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:05,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:05,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122116646] [2022-11-26 00:18:05,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:05,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:05,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:05,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:05,798 INFO L87 Difference]: Start difference. First operand 286 states and 524 transitions. Second operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:06,691 INFO L93 Difference]: Finished difference Result 305 states and 547 transitions. [2022-11-26 00:18:06,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:06,692 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:06,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:06,693 INFO L225 Difference]: With dead ends: 305 [2022-11-26 00:18:06,693 INFO L226 Difference]: Without dead ends: 305 [2022-11-26 00:18:06,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:06,694 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:06,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 3 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:06,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-26 00:18:06,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 292. [2022-11-26 00:18:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 280 states have (on average 1.9107142857142858) internal successors, (535), 291 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 535 transitions. [2022-11-26 00:18:06,701 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 535 transitions. Word has length 12 [2022-11-26 00:18:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:06,702 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 535 transitions. [2022-11-26 00:18:06,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 535 transitions. [2022-11-26 00:18:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:06,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:06,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:06,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:18:06,703 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:06,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:06,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1939971215, now seen corresponding path program 2 times [2022-11-26 00:18:06,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:06,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687590106] [2022-11-26 00:18:06,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:06,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:07,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:07,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687590106] [2022-11-26 00:18:07,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687590106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:07,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:07,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:18:07,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85658146] [2022-11-26 00:18:07,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:07,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:18:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:07,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:18:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:18:07,149 INFO L87 Difference]: Start difference. First operand 292 states and 535 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:07,718 INFO L93 Difference]: Finished difference Result 476 states and 849 transitions. [2022-11-26 00:18:07,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:18:07,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:07,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:07,721 INFO L225 Difference]: With dead ends: 476 [2022-11-26 00:18:07,721 INFO L226 Difference]: Without dead ends: 476 [2022-11-26 00:18:07,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:18:07,722 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 130 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:07,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 12 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-11-26 00:18:07,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 359. [2022-11-26 00:18:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 347 states have (on average 1.9510086455331412) internal successors, (677), 358 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 677 transitions. [2022-11-26 00:18:07,732 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 677 transitions. Word has length 12 [2022-11-26 00:18:07,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:07,733 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 677 transitions. [2022-11-26 00:18:07,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 677 transitions. [2022-11-26 00:18:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:07,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:07,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:07,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:18:07,734 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1860836867, now seen corresponding path program 1 times [2022-11-26 00:18:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:07,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029555158] [2022-11-26 00:18:07,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:07,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:07,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029555158] [2022-11-26 00:18:07,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029555158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:07,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:07,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:18:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422981056] [2022-11-26 00:18:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:07,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:18:07,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:07,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:18:07,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:07,811 INFO L87 Difference]: Start difference. First operand 359 states and 677 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:07,898 INFO L93 Difference]: Finished difference Result 239 states and 425 transitions. [2022-11-26 00:18:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:18:07,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:07,900 INFO L225 Difference]: With dead ends: 239 [2022-11-26 00:18:07,900 INFO L226 Difference]: Without dead ends: 227 [2022-11-26 00:18:07,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:18:07,901 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:07,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:18:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-11-26 00:18:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 215. [2022-11-26 00:18:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 211 states have (on average 1.7962085308056872) internal successors, (379), 214 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 379 transitions. [2022-11-26 00:18:07,907 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 379 transitions. Word has length 12 [2022-11-26 00:18:07,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:07,907 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 379 transitions. [2022-11-26 00:18:07,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 379 transitions. [2022-11-26 00:18:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:07,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:07,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:07,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:18:07,908 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:07,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:07,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1613588336, now seen corresponding path program 2 times [2022-11-26 00:18:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:07,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554879696] [2022-11-26 00:18:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:07,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:08,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:08,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554879696] [2022-11-26 00:18:08,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554879696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:08,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:08,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:08,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532018295] [2022-11-26 00:18:08,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:08,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:08,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:08,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:08,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:08,713 INFO L87 Difference]: Start difference. First operand 215 states and 379 transitions. Second operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:09,383 INFO L93 Difference]: Finished difference Result 223 states and 385 transitions. [2022-11-26 00:18:09,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:18:09,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:09,385 INFO L225 Difference]: With dead ends: 223 [2022-11-26 00:18:09,386 INFO L226 Difference]: Without dead ends: 223 [2022-11-26 00:18:09,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:18:09,387 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:09,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:09,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-26 00:18:09,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 209. [2022-11-26 00:18:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.7902439024390244) internal successors, (367), 208 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 367 transitions. [2022-11-26 00:18:09,392 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 367 transitions. Word has length 12 [2022-11-26 00:18:09,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:09,393 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 367 transitions. [2022-11-26 00:18:09,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 367 transitions. [2022-11-26 00:18:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:09,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:09,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:09,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:18:09,394 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash -969893732, now seen corresponding path program 1 times [2022-11-26 00:18:09,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:09,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910674346] [2022-11-26 00:18:09,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:09,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:09,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910674346] [2022-11-26 00:18:09,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910674346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:09,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:09,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862967851] [2022-11-26 00:18:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:09,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:18:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:18:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:18:09,957 INFO L87 Difference]: Start difference. First operand 209 states and 367 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:10,786 INFO L93 Difference]: Finished difference Result 322 states and 523 transitions. [2022-11-26 00:18:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:10,787 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:10,788 INFO L225 Difference]: With dead ends: 322 [2022-11-26 00:18:10,788 INFO L226 Difference]: Without dead ends: 322 [2022-11-26 00:18:10,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:18:10,789 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 114 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:10,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 6 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:18:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-26 00:18:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 238. [2022-11-26 00:18:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 234 states have (on average 1.7564102564102564) internal successors, (411), 237 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 411 transitions. [2022-11-26 00:18:10,797 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 411 transitions. Word has length 12 [2022-11-26 00:18:10,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:10,797 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 411 transitions. [2022-11-26 00:18:10,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 411 transitions. [2022-11-26 00:18:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:10,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:10,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:10,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:18:10,799 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:10,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:10,799 INFO L85 PathProgramCache]: Analyzing trace with hash -969893731, now seen corresponding path program 1 times [2022-11-26 00:18:10,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:10,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656898472] [2022-11-26 00:18:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:10,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:11,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:11,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656898472] [2022-11-26 00:18:11,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656898472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:11,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:11,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:11,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627132714] [2022-11-26 00:18:11,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:11,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:11,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:11,626 INFO L87 Difference]: Start difference. First operand 238 states and 411 transitions. Second operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:12,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:12,380 INFO L93 Difference]: Finished difference Result 247 states and 424 transitions. [2022-11-26 00:18:12,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:12,381 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:12,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:12,382 INFO L225 Difference]: With dead ends: 247 [2022-11-26 00:18:12,382 INFO L226 Difference]: Without dead ends: 247 [2022-11-26 00:18:12,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:18:12,383 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:12,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:12,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-26 00:18:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 237. [2022-11-26 00:18:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 233 states have (on average 1.7553648068669527) internal successors, (409), 236 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 409 transitions. [2022-11-26 00:18:12,388 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 409 transitions. Word has length 12 [2022-11-26 00:18:12,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:12,389 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 409 transitions. [2022-11-26 00:18:12,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 409 transitions. [2022-11-26 00:18:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:12,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:12,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:12,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:18:12,390 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:12,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:12,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1510164877, now seen corresponding path program 3 times [2022-11-26 00:18:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:12,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114375478] [2022-11-26 00:18:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:12,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:12,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114375478] [2022-11-26 00:18:12,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114375478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:12,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:12,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:12,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326403016] [2022-11-26 00:18:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:12,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:18:12,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:18:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:18:12,931 INFO L87 Difference]: Start difference. First operand 237 states and 409 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:13,629 INFO L93 Difference]: Finished difference Result 364 states and 597 transitions. [2022-11-26 00:18:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:18:13,629 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:13,631 INFO L225 Difference]: With dead ends: 364 [2022-11-26 00:18:13,631 INFO L226 Difference]: Without dead ends: 364 [2022-11-26 00:18:13,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:13,632 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 107 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:13,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 6 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-11-26 00:18:13,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 234. [2022-11-26 00:18:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 230 states have (on average 1.7565217391304349) internal successors, (404), 233 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 404 transitions. [2022-11-26 00:18:13,638 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 404 transitions. Word has length 12 [2022-11-26 00:18:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:13,639 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 404 transitions. [2022-11-26 00:18:13,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 404 transitions. [2022-11-26 00:18:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:18:13,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:13,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:13,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:18:13,640 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:13,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1510164876, now seen corresponding path program 3 times [2022-11-26 00:18:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:13,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493799153] [2022-11-26 00:18:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:13,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:14,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:14,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493799153] [2022-11-26 00:18:14,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493799153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:14,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:14,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:14,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963260599] [2022-11-26 00:18:14,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:14,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:14,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:14,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:14,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:14,447 INFO L87 Difference]: Start difference. First operand 234 states and 404 transitions. Second operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:15,133 INFO L93 Difference]: Finished difference Result 240 states and 408 transitions. [2022-11-26 00:18:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:18:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:18:15,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:15,141 INFO L225 Difference]: With dead ends: 240 [2022-11-26 00:18:15,142 INFO L226 Difference]: Without dead ends: 240 [2022-11-26 00:18:15,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:15,148 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:15,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:15,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-11-26 00:18:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 229. [2022-11-26 00:18:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 225 states have (on average 1.7555555555555555) internal successors, (395), 228 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 395 transitions. [2022-11-26 00:18:15,162 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 395 transitions. Word has length 12 [2022-11-26 00:18:15,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:15,162 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 395 transitions. [2022-11-26 00:18:15,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 395 transitions. [2022-11-26 00:18:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:15,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:15,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:15,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:18:15,165 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash 539619153, now seen corresponding path program 1 times [2022-11-26 00:18:15,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:15,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114145518] [2022-11-26 00:18:15,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:16,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:16,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114145518] [2022-11-26 00:18:16,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114145518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:16,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:16,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:16,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684629255] [2022-11-26 00:18:16,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:16,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:16,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:16,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:16,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:16,118 INFO L87 Difference]: Start difference. First operand 229 states and 395 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:17,136 INFO L93 Difference]: Finished difference Result 270 states and 446 transitions. [2022-11-26 00:18:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:17,137 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:17,139 INFO L225 Difference]: With dead ends: 270 [2022-11-26 00:18:17,139 INFO L226 Difference]: Without dead ends: 266 [2022-11-26 00:18:17,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:17,139 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:17,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:17,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-26 00:18:17,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 258. [2022-11-26 00:18:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 252 states have (on average 1.7182539682539681) internal successors, (433), 257 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 433 transitions. [2022-11-26 00:18:17,146 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 433 transitions. Word has length 13 [2022-11-26 00:18:17,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:17,146 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 433 transitions. [2022-11-26 00:18:17,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 433 transitions. [2022-11-26 00:18:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:17,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:17,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:17,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:18:17,147 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:17,148 INFO L85 PathProgramCache]: Analyzing trace with hash 538725422, now seen corresponding path program 1 times [2022-11-26 00:18:17,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:17,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525007327] [2022-11-26 00:18:17,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:17,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:17,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525007327] [2022-11-26 00:18:17,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525007327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:17,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:17,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:17,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461546955] [2022-11-26 00:18:17,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:17,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:17,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:17,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:17,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:17,943 INFO L87 Difference]: Start difference. First operand 258 states and 433 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:19,042 INFO L93 Difference]: Finished difference Result 358 states and 570 transitions. [2022-11-26 00:18:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:19,043 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:19,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:19,045 INFO L225 Difference]: With dead ends: 358 [2022-11-26 00:18:19,045 INFO L226 Difference]: Without dead ends: 358 [2022-11-26 00:18:19,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:18:19,046 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 99 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:19,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 0 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:18:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-26 00:18:19,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 261. [2022-11-26 00:18:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 253 states have (on average 1.699604743083004) internal successors, (430), 260 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 430 transitions. [2022-11-26 00:18:19,053 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 430 transitions. Word has length 13 [2022-11-26 00:18:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:19,053 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 430 transitions. [2022-11-26 00:18:19,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 430 transitions. [2022-11-26 00:18:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:19,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:19,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:19,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:18:19,055 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:19,056 INFO L85 PathProgramCache]: Analyzing trace with hash 538725423, now seen corresponding path program 2 times [2022-11-26 00:18:19,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:19,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698011450] [2022-11-26 00:18:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:20,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:20,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698011450] [2022-11-26 00:18:20,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698011450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:20,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:20,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:20,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865572341] [2022-11-26 00:18:20,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:20,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:20,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:20,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:20,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:20,120 INFO L87 Difference]: Start difference. First operand 261 states and 430 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:21,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:21,540 INFO L93 Difference]: Finished difference Result 287 states and 458 transitions. [2022-11-26 00:18:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:18:21,541 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:21,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:21,542 INFO L225 Difference]: With dead ends: 287 [2022-11-26 00:18:21,542 INFO L226 Difference]: Without dead ends: 287 [2022-11-26 00:18:21,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:18:21,543 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:21,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:18:21,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-26 00:18:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2022-11-26 00:18:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 255 states have (on average 1.7019607843137254) internal successors, (434), 262 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 434 transitions. [2022-11-26 00:18:21,549 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 434 transitions. Word has length 13 [2022-11-26 00:18:21,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:21,549 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 434 transitions. [2022-11-26 00:18:21,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 434 transitions. [2022-11-26 00:18:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:21,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:21,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:21,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:18:21,551 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:21,551 INFO L85 PathProgramCache]: Analyzing trace with hash -696985329, now seen corresponding path program 3 times [2022-11-26 00:18:21,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:21,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140855304] [2022-11-26 00:18:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:21,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:22,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:22,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140855304] [2022-11-26 00:18:22,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140855304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:22,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:22,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163984890] [2022-11-26 00:18:22,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:22,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:22,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:22,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:22,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:22,257 INFO L87 Difference]: Start difference. First operand 263 states and 434 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:22,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:22,909 INFO L93 Difference]: Finished difference Result 360 states and 589 transitions. [2022-11-26 00:18:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:18:22,910 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:22,911 INFO L225 Difference]: With dead ends: 360 [2022-11-26 00:18:22,911 INFO L226 Difference]: Without dead ends: 360 [2022-11-26 00:18:22,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:18:22,912 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 62 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:22,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 5 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-11-26 00:18:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 270. [2022-11-26 00:18:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 262 states have (on average 1.7061068702290076) internal successors, (447), 269 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:22,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 447 transitions. [2022-11-26 00:18:22,919 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 447 transitions. Word has length 13 [2022-11-26 00:18:22,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:22,919 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 447 transitions. [2022-11-26 00:18:22,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 447 transitions. [2022-11-26 00:18:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:22,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:22,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:22,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:18:22,921 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:22,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash -977889877, now seen corresponding path program 4 times [2022-11-26 00:18:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:22,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615653300] [2022-11-26 00:18:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:23,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:23,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615653300] [2022-11-26 00:18:23,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615653300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:23,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:23,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:23,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426634129] [2022-11-26 00:18:23,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:23,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:23,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:23,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:23,632 INFO L87 Difference]: Start difference. First operand 270 states and 447 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:24,484 INFO L93 Difference]: Finished difference Result 375 states and 603 transitions. [2022-11-26 00:18:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:18:24,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:24,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:24,486 INFO L225 Difference]: With dead ends: 375 [2022-11-26 00:18:24,487 INFO L226 Difference]: Without dead ends: 365 [2022-11-26 00:18:24,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:24,488 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 57 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:24,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 4 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-11-26 00:18:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 269. [2022-11-26 00:18:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 261 states have (on average 1.7011494252873562) internal successors, (444), 268 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 444 transitions. [2022-11-26 00:18:24,494 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 444 transitions. Word has length 13 [2022-11-26 00:18:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:24,495 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 444 transitions. [2022-11-26 00:18:24,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 444 transitions. [2022-11-26 00:18:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:24,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:24,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:24,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 00:18:24,496 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:24,497 INFO L85 PathProgramCache]: Analyzing trace with hash -885719747, now seen corresponding path program 5 times [2022-11-26 00:18:24,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:24,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889028525] [2022-11-26 00:18:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:25,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889028525] [2022-11-26 00:18:25,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889028525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:25,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:25,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747344456] [2022-11-26 00:18:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:25,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:25,114 INFO L87 Difference]: Start difference. First operand 269 states and 444 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:26,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:26,430 INFO L93 Difference]: Finished difference Result 432 states and 696 transitions. [2022-11-26 00:18:26,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:18:26,430 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:26,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:26,433 INFO L225 Difference]: With dead ends: 432 [2022-11-26 00:18:26,433 INFO L226 Difference]: Without dead ends: 432 [2022-11-26 00:18:26,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:18:26,434 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 96 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:26,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 6 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:18:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-11-26 00:18:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 264. [2022-11-26 00:18:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 256 states have (on average 1.6953125) internal successors, (434), 263 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 434 transitions. [2022-11-26 00:18:26,439 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 434 transitions. Word has length 13 [2022-11-26 00:18:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:26,440 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 434 transitions. [2022-11-26 00:18:26,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:26,440 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 434 transitions. [2022-11-26 00:18:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:26,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:26,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:26,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 00:18:26,441 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:26,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1518459601, now seen corresponding path program 6 times [2022-11-26 00:18:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:26,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926089764] [2022-11-26 00:18:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:27,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:27,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926089764] [2022-11-26 00:18:27,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926089764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:27,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:27,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:27,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625577950] [2022-11-26 00:18:27,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:27,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:27,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:27,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:27,383 INFO L87 Difference]: Start difference. First operand 264 states and 434 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:28,105 INFO L93 Difference]: Finished difference Result 275 states and 446 transitions. [2022-11-26 00:18:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:18:28,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:28,107 INFO L225 Difference]: With dead ends: 275 [2022-11-26 00:18:28,107 INFO L226 Difference]: Without dead ends: 275 [2022-11-26 00:18:28,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:18:28,108 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:28,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-26 00:18:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 260. [2022-11-26 00:18:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 252 states have (on average 1.6904761904761905) internal successors, (426), 259 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 426 transitions. [2022-11-26 00:18:28,113 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 426 transitions. Word has length 13 [2022-11-26 00:18:28,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:28,114 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 426 transitions. [2022-11-26 00:18:28,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 426 transitions. [2022-11-26 00:18:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:28,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:28,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:28,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:18:28,115 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -637250386, now seen corresponding path program 1 times [2022-11-26 00:18:28,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:28,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893409147] [2022-11-26 00:18:28,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:28,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:28,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:28,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893409147] [2022-11-26 00:18:28,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893409147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:28,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:28,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:18:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367945080] [2022-11-26 00:18:28,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:28,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:18:28,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:28,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:18:28,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:18:28,920 INFO L87 Difference]: Start difference. First operand 260 states and 426 transitions. Second operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:29,777 INFO L93 Difference]: Finished difference Result 296 states and 477 transitions. [2022-11-26 00:18:29,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:29,777 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:29,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:29,778 INFO L225 Difference]: With dead ends: 296 [2022-11-26 00:18:29,778 INFO L226 Difference]: Without dead ends: 292 [2022-11-26 00:18:29,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:29,779 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 56 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:29,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 1 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:29,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-11-26 00:18:29,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 278. [2022-11-26 00:18:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 270 states have (on average 1.6777777777777778) internal successors, (453), 277 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 453 transitions. [2022-11-26 00:18:29,785 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 453 transitions. Word has length 13 [2022-11-26 00:18:29,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:29,785 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 453 transitions. [2022-11-26 00:18:29,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 453 transitions. [2022-11-26 00:18:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:29,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:29,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:29,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-26 00:18:29,786 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:29,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2818885, now seen corresponding path program 1 times [2022-11-26 00:18:29,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:29,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596055391] [2022-11-26 00:18:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:30,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:30,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596055391] [2022-11-26 00:18:30,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596055391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:30,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:30,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:30,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652598950] [2022-11-26 00:18:30,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:30,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:30,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:30,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:30,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:30,335 INFO L87 Difference]: Start difference. First operand 278 states and 453 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:31,271 INFO L93 Difference]: Finished difference Result 331 states and 502 transitions. [2022-11-26 00:18:31,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:18:31,272 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:31,274 INFO L225 Difference]: With dead ends: 331 [2022-11-26 00:18:31,274 INFO L226 Difference]: Without dead ends: 321 [2022-11-26 00:18:31,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:18:31,274 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 160 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:31,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 3 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-26 00:18:31,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 192. [2022-11-26 00:18:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 186 states have (on average 1.6451612903225807) internal successors, (306), 191 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 306 transitions. [2022-11-26 00:18:31,279 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 306 transitions. Word has length 13 [2022-11-26 00:18:31,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:31,280 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 306 transitions. [2022-11-26 00:18:31,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 306 transitions. [2022-11-26 00:18:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:31,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:31,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:31,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 00:18:31,281 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:31,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:31,282 INFO L85 PathProgramCache]: Analyzing trace with hash -2818884, now seen corresponding path program 2 times [2022-11-26 00:18:31,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:31,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926504332] [2022-11-26 00:18:31,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:32,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:32,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926504332] [2022-11-26 00:18:32,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926504332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:32,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:32,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588518094] [2022-11-26 00:18:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:32,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:32,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:32,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:32,078 INFO L87 Difference]: Start difference. First operand 192 states and 306 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:32,859 INFO L93 Difference]: Finished difference Result 212 states and 338 transitions. [2022-11-26 00:18:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:32,860 INFO L225 Difference]: With dead ends: 212 [2022-11-26 00:18:32,861 INFO L226 Difference]: Without dead ends: 208 [2022-11-26 00:18:32,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:32,861 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:32,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-26 00:18:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 192. [2022-11-26 00:18:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 186 states have (on average 1.6344086021505377) internal successors, (304), 191 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 304 transitions. [2022-11-26 00:18:32,871 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 304 transitions. Word has length 13 [2022-11-26 00:18:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:32,871 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 304 transitions. [2022-11-26 00:18:32,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 304 transitions. [2022-11-26 00:18:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:32,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:32,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:32,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-26 00:18:32,873 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:32,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:32,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1931664, now seen corresponding path program 3 times [2022-11-26 00:18:32,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:32,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991343946] [2022-11-26 00:18:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:33,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:33,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991343946] [2022-11-26 00:18:33,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991343946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:33,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:33,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:18:33,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433330285] [2022-11-26 00:18:33,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:33,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:18:33,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:33,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:18:33,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:18:33,697 INFO L87 Difference]: Start difference. First operand 192 states and 304 transitions. Second operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:34,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:34,686 INFO L93 Difference]: Finished difference Result 192 states and 302 transitions. [2022-11-26 00:18:34,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:18:34,686 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:34,687 INFO L225 Difference]: With dead ends: 192 [2022-11-26 00:18:34,687 INFO L226 Difference]: Without dead ends: 185 [2022-11-26 00:18:34,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:18:34,688 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:34,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:34,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-26 00:18:34,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2022-11-26 00:18:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 179 states have (on average 1.6480446927374302) internal successors, (295), 184 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 295 transitions. [2022-11-26 00:18:34,693 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 295 transitions. Word has length 13 [2022-11-26 00:18:34,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:34,693 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 295 transitions. [2022-11-26 00:18:34,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:34,693 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 295 transitions. [2022-11-26 00:18:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:34,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:34,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:34,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-26 00:18:34,694 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:34,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:34,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1135769440, now seen corresponding path program 4 times [2022-11-26 00:18:34,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:34,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667656813] [2022-11-26 00:18:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:35,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:35,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667656813] [2022-11-26 00:18:35,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667656813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:35,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:35,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:35,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300422772] [2022-11-26 00:18:35,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:35,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:35,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:35,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:35,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:35,281 INFO L87 Difference]: Start difference. First operand 185 states and 295 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:35,952 INFO L93 Difference]: Finished difference Result 217 states and 345 transitions. [2022-11-26 00:18:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:35,953 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:35,954 INFO L225 Difference]: With dead ends: 217 [2022-11-26 00:18:35,954 INFO L226 Difference]: Without dead ends: 191 [2022-11-26 00:18:35,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:35,955 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 39 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:35,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:35,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-26 00:18:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2022-11-26 00:18:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 172 states have (on average 1.6569767441860466) internal successors, (285), 177 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 285 transitions. [2022-11-26 00:18:35,958 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 285 transitions. Word has length 13 [2022-11-26 00:18:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:35,959 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 285 transitions. [2022-11-26 00:18:35,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 285 transitions. [2022-11-26 00:18:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:35,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:35,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:35,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-26 00:18:35,960 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:35,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:35,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1506504807, now seen corresponding path program 7 times [2022-11-26 00:18:35,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:35,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770232900] [2022-11-26 00:18:35,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:36,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:36,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770232900] [2022-11-26 00:18:36,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770232900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:36,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:36,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:18:36,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190817445] [2022-11-26 00:18:36,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:36,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:18:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:36,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:18:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:18:36,728 INFO L87 Difference]: Start difference. First operand 178 states and 285 transitions. Second operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:37,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:37,570 INFO L93 Difference]: Finished difference Result 186 states and 292 transitions. [2022-11-26 00:18:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:37,571 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:37,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:37,571 INFO L225 Difference]: With dead ends: 186 [2022-11-26 00:18:37,571 INFO L226 Difference]: Without dead ends: 176 [2022-11-26 00:18:37,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:18:37,572 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:37,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:18:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-26 00:18:37,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2022-11-26 00:18:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 166 states have (on average 1.6626506024096386) internal successors, (276), 171 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 276 transitions. [2022-11-26 00:18:37,575 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 276 transitions. Word has length 13 [2022-11-26 00:18:37,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:37,576 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 276 transitions. [2022-11-26 00:18:37,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 276 transitions. [2022-11-26 00:18:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:37,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:37,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:37,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-26 00:18:37,577 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:37,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:37,577 INFO L85 PathProgramCache]: Analyzing trace with hash 429619565, now seen corresponding path program 8 times [2022-11-26 00:18:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:37,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295720590] [2022-11-26 00:18:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:38,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:38,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295720590] [2022-11-26 00:18:38,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295720590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:38,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:38,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:38,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665930710] [2022-11-26 00:18:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:38,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:38,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:38,342 INFO L87 Difference]: Start difference. First operand 172 states and 276 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:39,133 INFO L93 Difference]: Finished difference Result 174 states and 278 transitions. [2022-11-26 00:18:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:18:39,133 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:39,135 INFO L225 Difference]: With dead ends: 174 [2022-11-26 00:18:39,135 INFO L226 Difference]: Without dead ends: 173 [2022-11-26 00:18:39,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:39,136 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:39,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-26 00:18:39,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 165. [2022-11-26 00:18:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 159 states have (on average 1.6729559748427674) internal successors, (266), 164 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 266 transitions. [2022-11-26 00:18:39,141 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 266 transitions. Word has length 13 [2022-11-26 00:18:39,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:39,141 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 266 transitions. [2022-11-26 00:18:39,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2022-11-26 00:18:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:39,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:39,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:39,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-26 00:18:39,142 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:39,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:39,143 INFO L85 PathProgramCache]: Analyzing trace with hash 428725834, now seen corresponding path program 2 times [2022-11-26 00:18:39,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:39,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215808549] [2022-11-26 00:18:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:39,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:39,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:39,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215808549] [2022-11-26 00:18:39,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215808549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:39,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:39,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:39,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642999269] [2022-11-26 00:18:39,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:39,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:39,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:39,638 INFO L87 Difference]: Start difference. First operand 165 states and 266 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:40,386 INFO L93 Difference]: Finished difference Result 302 states and 478 transitions. [2022-11-26 00:18:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:40,387 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:40,388 INFO L225 Difference]: With dead ends: 302 [2022-11-26 00:18:40,388 INFO L226 Difference]: Without dead ends: 302 [2022-11-26 00:18:40,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:40,389 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 117 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:40,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 3 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:40,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-11-26 00:18:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 163. [2022-11-26 00:18:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 158 states have (on average 1.6708860759493671) internal successors, (264), 162 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 264 transitions. [2022-11-26 00:18:40,393 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 264 transitions. Word has length 13 [2022-11-26 00:18:40,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:40,394 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 264 transitions. [2022-11-26 00:18:40,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 264 transitions. [2022-11-26 00:18:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:40,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:40,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:40,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-26 00:18:40,395 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 428725835, now seen corresponding path program 9 times [2022-11-26 00:18:40,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:40,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691602030] [2022-11-26 00:18:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:41,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:41,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691602030] [2022-11-26 00:18:41,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691602030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:41,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:41,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:41,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805763600] [2022-11-26 00:18:41,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:41,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:41,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:41,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:41,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:41,280 INFO L87 Difference]: Start difference. First operand 163 states and 264 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:42,043 INFO L93 Difference]: Finished difference Result 177 states and 285 transitions. [2022-11-26 00:18:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:42,047 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:42,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:42,048 INFO L225 Difference]: With dead ends: 177 [2022-11-26 00:18:42,048 INFO L226 Difference]: Without dead ends: 176 [2022-11-26 00:18:42,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:18:42,049 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:42,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-26 00:18:42,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 161. [2022-11-26 00:18:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.6666666666666667) internal successors, (260), 160 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 260 transitions. [2022-11-26 00:18:42,053 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 260 transitions. Word has length 13 [2022-11-26 00:18:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:42,053 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 260 transitions. [2022-11-26 00:18:42,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2022-11-26 00:18:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:18:42,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:42,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:42,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-26 00:18:42,055 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:42,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash -277021781, now seen corresponding path program 10 times [2022-11-26 00:18:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:42,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129716886] [2022-11-26 00:18:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:42,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:42,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:42,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129716886] [2022-11-26 00:18:42,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129716886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:42,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:42,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:18:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542334017] [2022-11-26 00:18:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:42,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:18:42,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:18:42,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:18:42,704 INFO L87 Difference]: Start difference. First operand 161 states and 260 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:43,321 INFO L93 Difference]: Finished difference Result 238 states and 382 transitions. [2022-11-26 00:18:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-26 00:18:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:43,323 INFO L225 Difference]: With dead ends: 238 [2022-11-26 00:18:43,323 INFO L226 Difference]: Without dead ends: 236 [2022-11-26 00:18:43,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:43,324 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 73 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:43,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 3 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-11-26 00:18:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 151. [2022-11-26 00:18:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 146 states have (on average 1.6575342465753424) internal successors, (242), 150 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 242 transitions. [2022-11-26 00:18:43,327 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 242 transitions. Word has length 13 [2022-11-26 00:18:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:43,328 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 242 transitions. [2022-11-26 00:18:43,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2022-11-26 00:18:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:43,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:43,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:43,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-26 00:18:43,330 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash -30600, now seen corresponding path program 1 times [2022-11-26 00:18:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:43,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433201848] [2022-11-26 00:18:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:43,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:43,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:43,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433201848] [2022-11-26 00:18:43,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433201848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:43,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:43,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:43,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212041378] [2022-11-26 00:18:43,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:43,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:43,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:43,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:43,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:43,761 INFO L87 Difference]: Start difference. First operand 151 states and 242 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:44,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:44,870 INFO L93 Difference]: Finished difference Result 293 states and 460 transitions. [2022-11-26 00:18:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:18:44,870 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:44,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:44,871 INFO L225 Difference]: With dead ends: 293 [2022-11-26 00:18:44,871 INFO L226 Difference]: Without dead ends: 286 [2022-11-26 00:18:44,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=400, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:18:44,872 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 131 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:44,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 4 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-26 00:18:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 163. [2022-11-26 00:18:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 158 states have (on average 1.6582278481012658) internal successors, (262), 162 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 262 transitions. [2022-11-26 00:18:44,876 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 262 transitions. Word has length 14 [2022-11-26 00:18:44,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:44,877 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 262 transitions. [2022-11-26 00:18:44,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 262 transitions. [2022-11-26 00:18:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:44,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:44,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:44,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-26 00:18:44,878 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash 313030365, now seen corresponding path program 1 times [2022-11-26 00:18:44,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:44,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524238271] [2022-11-26 00:18:44,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:44,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:45,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:45,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524238271] [2022-11-26 00:18:45,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524238271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:45,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:45,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:45,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557695613] [2022-11-26 00:18:45,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:45,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:45,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:45,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:45,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:45,456 INFO L87 Difference]: Start difference. First operand 163 states and 262 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:46,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:46,238 INFO L93 Difference]: Finished difference Result 224 states and 333 transitions. [2022-11-26 00:18:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:18:46,239 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:46,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:46,239 INFO L225 Difference]: With dead ends: 224 [2022-11-26 00:18:46,240 INFO L226 Difference]: Without dead ends: 205 [2022-11-26 00:18:46,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:18:46,240 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 118 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:46,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 3 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:18:46,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-26 00:18:46,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 163. [2022-11-26 00:18:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 158 states have (on average 1.6518987341772151) internal successors, (261), 162 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 261 transitions. [2022-11-26 00:18:46,244 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 261 transitions. Word has length 14 [2022-11-26 00:18:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:46,244 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 261 transitions. [2022-11-26 00:18:46,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 261 transitions. [2022-11-26 00:18:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:46,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:46,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:46,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-26 00:18:46,245 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:46,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -81425639, now seen corresponding path program 2 times [2022-11-26 00:18:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:46,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970154823] [2022-11-26 00:18:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:46,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:46,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:46,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970154823] [2022-11-26 00:18:46,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970154823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:46,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:46,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:46,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785985686] [2022-11-26 00:18:46,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:46,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:46,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:46,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:46,764 INFO L87 Difference]: Start difference. First operand 163 states and 261 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:47,407 INFO L93 Difference]: Finished difference Result 214 states and 324 transitions. [2022-11-26 00:18:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:18:47,407 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:47,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:47,408 INFO L225 Difference]: With dead ends: 214 [2022-11-26 00:18:47,408 INFO L226 Difference]: Without dead ends: 185 [2022-11-26 00:18:47,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:47,409 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 136 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:47,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 3 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:18:47,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-26 00:18:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 162. [2022-11-26 00:18:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 157 states have (on average 1.6369426751592357) internal successors, (257), 161 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:47,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2022-11-26 00:18:47,413 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 14 [2022-11-26 00:18:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:47,414 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2022-11-26 00:18:47,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2022-11-26 00:18:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:47,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:47,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:47,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-26 00:18:47,415 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -969527711, now seen corresponding path program 3 times [2022-11-26 00:18:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:47,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632383049] [2022-11-26 00:18:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:47,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:47,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632383049] [2022-11-26 00:18:47,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632383049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:47,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:47,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:47,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921938682] [2022-11-26 00:18:47,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:47,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:47,826 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:48,578 INFO L93 Difference]: Finished difference Result 226 states and 347 transitions. [2022-11-26 00:18:48,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:18:48,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:48,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:48,579 INFO L225 Difference]: With dead ends: 226 [2022-11-26 00:18:48,579 INFO L226 Difference]: Without dead ends: 199 [2022-11-26 00:18:48,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:18:48,580 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 153 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:48,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 5 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:18:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-26 00:18:48,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 153. [2022-11-26 00:18:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 148 states have (on average 1.6283783783783783) internal successors, (241), 152 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 241 transitions. [2022-11-26 00:18:48,585 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 241 transitions. Word has length 14 [2022-11-26 00:18:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:48,585 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 241 transitions. [2022-11-26 00:18:48,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2022-11-26 00:18:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:48,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:48,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:48,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-26 00:18:48,586 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:48,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:48,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1524535356, now seen corresponding path program 2 times [2022-11-26 00:18:48,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:48,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914944523] [2022-11-26 00:18:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:49,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:49,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914944523] [2022-11-26 00:18:49,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914944523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:49,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:49,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:49,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604493217] [2022-11-26 00:18:49,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:49,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:49,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:49,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:49,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:49,208 INFO L87 Difference]: Start difference. First operand 153 states and 241 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:50,253 INFO L93 Difference]: Finished difference Result 271 states and 419 transitions. [2022-11-26 00:18:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:18:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:50,255 INFO L225 Difference]: With dead ends: 271 [2022-11-26 00:18:50,255 INFO L226 Difference]: Without dead ends: 264 [2022-11-26 00:18:50,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:18:50,256 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 120 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:50,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 3 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-26 00:18:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 153. [2022-11-26 00:18:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 148 states have (on average 1.6283783783783783) internal successors, (241), 152 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 241 transitions. [2022-11-26 00:18:50,260 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 241 transitions. Word has length 14 [2022-11-26 00:18:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:50,260 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 241 transitions. [2022-11-26 00:18:50,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2022-11-26 00:18:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:50,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:50,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:50,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-26 00:18:50,262 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:50,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:50,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1723443568, now seen corresponding path program 3 times [2022-11-26 00:18:50,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:50,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271920568] [2022-11-26 00:18:50,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:50,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:50,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:50,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271920568] [2022-11-26 00:18:50,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271920568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:50,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:50,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:50,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10665269] [2022-11-26 00:18:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:50,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:50,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:50,868 INFO L87 Difference]: Start difference. First operand 153 states and 241 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:51,917 INFO L93 Difference]: Finished difference Result 295 states and 459 transitions. [2022-11-26 00:18:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:18:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:51,920 INFO L225 Difference]: With dead ends: 295 [2022-11-26 00:18:51,920 INFO L226 Difference]: Without dead ends: 289 [2022-11-26 00:18:51,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:18:51,921 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 139 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:51,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 3 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-26 00:18:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 152. [2022-11-26 00:18:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 147 states have (on average 1.6326530612244898) internal successors, (240), 151 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 240 transitions. [2022-11-26 00:18:51,926 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 240 transitions. Word has length 14 [2022-11-26 00:18:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:51,926 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 240 transitions. [2022-11-26 00:18:51,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 240 transitions. [2022-11-26 00:18:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:51,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:51,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:51,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-26 00:18:51,927 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:51,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:51,928 INFO L85 PathProgramCache]: Analyzing trace with hash -717721055, now seen corresponding path program 4 times [2022-11-26 00:18:51,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:51,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360576646] [2022-11-26 00:18:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:51,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:52,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:52,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360576646] [2022-11-26 00:18:52,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360576646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:52,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:52,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:52,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087436192] [2022-11-26 00:18:52,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:52,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:52,441 INFO L87 Difference]: Start difference. First operand 152 states and 240 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:53,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:53,357 INFO L93 Difference]: Finished difference Result 201 states and 316 transitions. [2022-11-26 00:18:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:18:53,357 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:53,358 INFO L225 Difference]: With dead ends: 201 [2022-11-26 00:18:53,358 INFO L226 Difference]: Without dead ends: 173 [2022-11-26 00:18:53,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:18:53,359 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:53,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-26 00:18:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 120. [2022-11-26 00:18:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 117 states have (on average 1.6837606837606838) internal successors, (197), 119 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 197 transitions. [2022-11-26 00:18:53,362 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 197 transitions. Word has length 14 [2022-11-26 00:18:53,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:53,363 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 197 transitions. [2022-11-26 00:18:53,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2022-11-26 00:18:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:53,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:53,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:53,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-26 00:18:53,364 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1257992200, now seen corresponding path program 4 times [2022-11-26 00:18:53,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:53,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425878] [2022-11-26 00:18:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:53,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425878] [2022-11-26 00:18:53,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:53,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:53,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:18:53,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193427182] [2022-11-26 00:18:53,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:53,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:18:53,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:53,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:18:53,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:53,954 INFO L87 Difference]: Start difference. First operand 120 states and 197 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:54,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:54,916 INFO L93 Difference]: Finished difference Result 208 states and 334 transitions. [2022-11-26 00:18:54,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:18:54,917 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:54,918 INFO L225 Difference]: With dead ends: 208 [2022-11-26 00:18:54,918 INFO L226 Difference]: Without dead ends: 202 [2022-11-26 00:18:54,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:18:54,919 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:54,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 1 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:18:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-11-26 00:18:54,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 110. [2022-11-26 00:18:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 109 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 183 transitions. [2022-11-26 00:18:54,922 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 183 transitions. Word has length 14 [2022-11-26 00:18:54,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:54,923 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 183 transitions. [2022-11-26 00:18:54,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2022-11-26 00:18:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:18:54,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:54,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:54,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-26 00:18:54,924 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:54,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash 252043896, now seen corresponding path program 5 times [2022-11-26 00:18:54,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:54,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731751111] [2022-11-26 00:18:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:54,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:55,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:55,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731751111] [2022-11-26 00:18:55,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731751111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:55,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:55,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:18:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185236989] [2022-11-26 00:18:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:55,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:18:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:18:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:18:55,348 INFO L87 Difference]: Start difference. First operand 110 states and 183 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:56,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:56,420 INFO L93 Difference]: Finished difference Result 266 states and 424 transitions. [2022-11-26 00:18:56,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:18:56,420 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-26 00:18:56,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:56,422 INFO L225 Difference]: With dead ends: 266 [2022-11-26 00:18:56,422 INFO L226 Difference]: Without dead ends: 265 [2022-11-26 00:18:56,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:18:56,423 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 124 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:56,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 5 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:18:56,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-26 00:18:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 75. [2022-11-26 00:18:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 74 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 123 transitions. [2022-11-26 00:18:56,426 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 123 transitions. Word has length 14 [2022-11-26 00:18:56,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:56,426 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 123 transitions. [2022-11-26 00:18:56,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 123 transitions. [2022-11-26 00:18:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:18:56,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:56,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:56,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-26 00:18:56,428 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:56,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1001816742, now seen corresponding path program 1 times [2022-11-26 00:18:56,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:56,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924138567] [2022-11-26 00:18:56,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:56,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:57,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:57,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924138567] [2022-11-26 00:18:57,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924138567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:57,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:57,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:18:57,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248832254] [2022-11-26 00:18:57,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:57,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:18:57,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:57,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:18:57,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:18:57,065 INFO L87 Difference]: Start difference. First operand 75 states and 123 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:57,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:57,407 INFO L93 Difference]: Finished difference Result 88 states and 140 transitions. [2022-11-26 00:18:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:57,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:18:57,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:57,408 INFO L225 Difference]: With dead ends: 88 [2022-11-26 00:18:57,408 INFO L226 Difference]: Without dead ends: 67 [2022-11-26 00:18:57,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:18:57,409 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 46 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:57,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 2 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:18:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-26 00:18:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-26 00:18:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.676923076923077) internal successors, (109), 66 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) [2022-11-26 00:18:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 109 transitions. [2022-11-26 00:18:57,411 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 109 transitions. Word has length 19 [2022-11-26 00:18:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:57,411 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 109 transitions. [2022-11-26 00:18:57,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-11-26 00:18:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:18:57,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:57,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:57,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-26 00:18:57,412 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:57,412 INFO L85 PathProgramCache]: Analyzing trace with hash -775207068, now seen corresponding path program 2 times [2022-11-26 00:18:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:57,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553335687] [2022-11-26 00:18:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:57,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:58,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:58,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553335687] [2022-11-26 00:18:58,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553335687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:58,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:58,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:18:58,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563666019] [2022-11-26 00:18:58,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:58,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:18:58,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:58,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:18:58,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:18:58,058 INFO L87 Difference]: Start difference. First operand 67 states and 109 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:58,471 INFO L93 Difference]: Finished difference Result 96 states and 153 transitions. [2022-11-26 00:18:58,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:18:58,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:18:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:58,473 INFO L225 Difference]: With dead ends: 96 [2022-11-26 00:18:58,473 INFO L226 Difference]: Without dead ends: 90 [2022-11-26 00:18:58,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:18:58,473 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:58,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 0 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:18:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-26 00:18:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 72. [2022-11-26 00:18:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 71 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 117 transitions. [2022-11-26 00:18:58,475 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 117 transitions. Word has length 19 [2022-11-26 00:18:58,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:58,476 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 117 transitions. [2022-11-26 00:18:58,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2022-11-26 00:18:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:18:58,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:58,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:58,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-26 00:18:58,476 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:58,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash -773707908, now seen corresponding path program 3 times [2022-11-26 00:18:58,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:58,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094294627] [2022-11-26 00:18:58,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:18:59,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:59,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094294627] [2022-11-26 00:18:59,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094294627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:59,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:59,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:18:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400469574] [2022-11-26 00:18:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:59,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:18:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:59,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:18:59,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:18:59,052 INFO L87 Difference]: Start difference. First operand 72 states and 117 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:59,553 INFO L93 Difference]: Finished difference Result 98 states and 155 transitions. [2022-11-26 00:18:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:18:59,554 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:18:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:59,554 INFO L225 Difference]: With dead ends: 98 [2022-11-26 00:18:59,554 INFO L226 Difference]: Without dead ends: 87 [2022-11-26 00:18:59,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:18:59,555 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:59,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:18:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-26 00:18:59,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 69. [2022-11-26 00:18:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 68 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 111 transitions. [2022-11-26 00:18:59,557 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 111 transitions. Word has length 19 [2022-11-26 00:18:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:59,557 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 111 transitions. [2022-11-26 00:18:59,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:18:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2022-11-26 00:18:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:18:59,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:59,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:59,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-26 00:18:59,558 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:18:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash -817500678, now seen corresponding path program 4 times [2022-11-26 00:18:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:59,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298931987] [2022-11-26 00:18:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:59,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:00,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:00,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298931987] [2022-11-26 00:19:00,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298931987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:00,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:00,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:19:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228959695] [2022-11-26 00:19:00,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:00,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:19:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:19:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:19:00,140 INFO L87 Difference]: Start difference. First operand 69 states and 111 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:00,530 INFO L93 Difference]: Finished difference Result 89 states and 140 transitions. [2022-11-26 00:19:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:19:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:00,531 INFO L225 Difference]: With dead ends: 89 [2022-11-26 00:19:00,531 INFO L226 Difference]: Without dead ends: 61 [2022-11-26 00:19:00,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:19:00,532 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:00,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:19:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-26 00:19:00,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2022-11-26 00:19:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 54 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) [2022-11-26 00:19:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 85 transitions. [2022-11-26 00:19:00,534 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 85 transitions. Word has length 19 [2022-11-26 00:19:00,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:00,534 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 85 transitions. [2022-11-26 00:19:00,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2022-11-26 00:19:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:00,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:00,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:00,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-26 00:19:00,535 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:00,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:00,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1673702788, now seen corresponding path program 5 times [2022-11-26 00:19:00,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:00,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889067104] [2022-11-26 00:19:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:01,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:01,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889067104] [2022-11-26 00:19:01,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889067104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:01,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:01,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:01,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186604238] [2022-11-26 00:19:01,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:01,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:01,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:01,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:01,600 INFO L87 Difference]: Start difference. First operand 55 states and 85 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:02,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:02,369 INFO L93 Difference]: Finished difference Result 87 states and 130 transitions. [2022-11-26 00:19:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:02,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:02,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:02,370 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:19:02,370 INFO L226 Difference]: Without dead ends: 87 [2022-11-26 00:19:02,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:02,370 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 63 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:02,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 7 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-26 00:19:02,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2022-11-26 00:19:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 72 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2022-11-26 00:19:02,373 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 19 [2022-11-26 00:19:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:02,373 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2022-11-26 00:19:02,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2022-11-26 00:19:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:02,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:02,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:02,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-26 00:19:02,375 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1673702789, now seen corresponding path program 1 times [2022-11-26 00:19:02,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:02,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895964125] [2022-11-26 00:19:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:02,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:03,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:03,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895964125] [2022-11-26 00:19:03,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895964125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:03,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:03,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:03,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543007049] [2022-11-26 00:19:03,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:03,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:03,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:03,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:03,445 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:04,191 INFO L93 Difference]: Finished difference Result 87 states and 128 transitions. [2022-11-26 00:19:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:04,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:04,192 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:19:04,192 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:19:04,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:04,193 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 59 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:04,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 7 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:04,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:19:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 67. [2022-11-26 00:19:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.5538461538461539) internal successors, (101), 66 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) [2022-11-26 00:19:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2022-11-26 00:19:04,195 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 19 [2022-11-26 00:19:04,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:04,195 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2022-11-26 00:19:04,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2022-11-26 00:19:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:04,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:04,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:04,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-26 00:19:04,197 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:04,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1675201948, now seen corresponding path program 6 times [2022-11-26 00:19:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:04,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422037590] [2022-11-26 00:19:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:05,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:05,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422037590] [2022-11-26 00:19:05,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422037590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:05,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:05,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:05,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374868305] [2022-11-26 00:19:05,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:05,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:05,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:05,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:05,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:05,230 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:06,005 INFO L93 Difference]: Finished difference Result 94 states and 137 transitions. [2022-11-26 00:19:06,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:06,006 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:06,006 INFO L225 Difference]: With dead ends: 94 [2022-11-26 00:19:06,006 INFO L226 Difference]: Without dead ends: 94 [2022-11-26 00:19:06,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:19:06,007 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 61 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:06,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 8 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-26 00:19:06,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2022-11-26 00:19:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 77 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 117 transitions. [2022-11-26 00:19:06,010 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 117 transitions. Word has length 19 [2022-11-26 00:19:06,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:06,010 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 117 transitions. [2022-11-26 00:19:06,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2022-11-26 00:19:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:06,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:06,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:06,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-26 00:19:06,011 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:06,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1675201949, now seen corresponding path program 2 times [2022-11-26 00:19:06,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:06,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41212509] [2022-11-26 00:19:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:06,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:06,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:06,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41212509] [2022-11-26 00:19:06,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41212509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:06,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:06,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:06,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476052017] [2022-11-26 00:19:06,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:06,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:06,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:06,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:06,950 INFO L87 Difference]: Start difference. First operand 78 states and 117 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:07,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:07,717 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2022-11-26 00:19:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:07,718 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:07,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:07,718 INFO L225 Difference]: With dead ends: 92 [2022-11-26 00:19:07,718 INFO L226 Difference]: Without dead ends: 80 [2022-11-26 00:19:07,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:19:07,719 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 68 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:07,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 7 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-26 00:19:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 66. [2022-11-26 00:19:07,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.546875) internal successors, (99), 65 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2022-11-26 00:19:07,721 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 19 [2022-11-26 00:19:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:07,721 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2022-11-26 00:19:07,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2022-11-26 00:19:07,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:07,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:07,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:07,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-26 00:19:07,722 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:07,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:07,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1428218152, now seen corresponding path program 7 times [2022-11-26 00:19:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:07,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360840651] [2022-11-26 00:19:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:07,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:08,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:08,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360840651] [2022-11-26 00:19:08,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360840651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:08,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:08,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:08,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670338208] [2022-11-26 00:19:08,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:08,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:08,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:08,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:08,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:08,749 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:09,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:09,558 INFO L93 Difference]: Finished difference Result 90 states and 131 transitions. [2022-11-26 00:19:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:09,558 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:09,558 INFO L225 Difference]: With dead ends: 90 [2022-11-26 00:19:09,559 INFO L226 Difference]: Without dead ends: 90 [2022-11-26 00:19:09,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:09,559 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 63 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:09,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 6 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:09,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-26 00:19:09,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74. [2022-11-26 00:19:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 73 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2022-11-26 00:19:09,561 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 19 [2022-11-26 00:19:09,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:09,562 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2022-11-26 00:19:09,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2022-11-26 00:19:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:09,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:09,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:09,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-26 00:19:09,563 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:09,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1428218153, now seen corresponding path program 3 times [2022-11-26 00:19:09,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:09,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290282734] [2022-11-26 00:19:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:09,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:10,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290282734] [2022-11-26 00:19:10,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290282734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:10,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:10,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:10,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835384282] [2022-11-26 00:19:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:10,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:10,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:10,600 INFO L87 Difference]: Start difference. First operand 74 states and 111 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:11,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:11,439 INFO L93 Difference]: Finished difference Result 88 states and 128 transitions. [2022-11-26 00:19:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:11,440 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:11,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:11,440 INFO L225 Difference]: With dead ends: 88 [2022-11-26 00:19:11,440 INFO L226 Difference]: Without dead ends: 77 [2022-11-26 00:19:11,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:11,441 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 55 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:11,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 6 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-26 00:19:11,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 63. [2022-11-26 00:19:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 61 states have (on average 1.5245901639344261) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2022-11-26 00:19:11,443 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 19 [2022-11-26 00:19:11,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:11,443 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2022-11-26 00:19:11,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2022-11-26 00:19:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:11,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:11,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:11,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-26 00:19:11,444 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2045126278, now seen corresponding path program 8 times [2022-11-26 00:19:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:11,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616440714] [2022-11-26 00:19:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:12,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:12,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616440714] [2022-11-26 00:19:12,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616440714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:12,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:12,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:12,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948361993] [2022-11-26 00:19:12,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:12,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:12,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:12,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:12,379 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:12,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:12,936 INFO L93 Difference]: Finished difference Result 75 states and 109 transitions. [2022-11-26 00:19:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:19:12,936 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:12,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:12,937 INFO L225 Difference]: With dead ends: 75 [2022-11-26 00:19:12,937 INFO L226 Difference]: Without dead ends: 75 [2022-11-26 00:19:12,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:19:12,937 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 52 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:12,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 5 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:19:12,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-26 00:19:12,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2022-11-26 00:19:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2022-11-26 00:19:12,940 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2022-11-26 00:19:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:12,940 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2022-11-26 00:19:12,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2022-11-26 00:19:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:12,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:12,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:12,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-26 00:19:12,941 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:12,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:12,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2045126277, now seen corresponding path program 4 times [2022-11-26 00:19:12,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:12,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7718587] [2022-11-26 00:19:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:13,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:13,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7718587] [2022-11-26 00:19:13,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7718587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:13,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:13,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:19:13,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611065959] [2022-11-26 00:19:13,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:13,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:19:13,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:13,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:19:13,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:19:13,850 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:14,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:14,584 INFO L93 Difference]: Finished difference Result 73 states and 106 transitions. [2022-11-26 00:19:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:19:14,584 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:14,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:14,585 INFO L225 Difference]: With dead ends: 73 [2022-11-26 00:19:14,585 INFO L226 Difference]: Without dead ends: 54 [2022-11-26 00:19:14,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:19:14,585 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 38 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:14,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 5 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:14,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-26 00:19:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-26 00:19:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 53 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2022-11-26 00:19:14,587 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 19 [2022-11-26 00:19:14,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:14,588 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2022-11-26 00:19:14,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2022-11-26 00:19:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:14,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:14,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:14,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-26 00:19:14,589 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:14,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1846773024, now seen corresponding path program 9 times [2022-11-26 00:19:14,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:14,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966202099] [2022-11-26 00:19:14,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:15,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:15,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966202099] [2022-11-26 00:19:15,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966202099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:15,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:15,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:15,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085308715] [2022-11-26 00:19:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:15,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:15,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:15,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:15,463 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:16,257 INFO L93 Difference]: Finished difference Result 103 states and 154 transitions. [2022-11-26 00:19:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:16,257 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:16,257 INFO L225 Difference]: With dead ends: 103 [2022-11-26 00:19:16,257 INFO L226 Difference]: Without dead ends: 103 [2022-11-26 00:19:16,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:16,258 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:16,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:19:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-26 00:19:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2022-11-26 00:19:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.5833333333333333) internal successors, (114), 73 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) [2022-11-26 00:19:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 114 transitions. [2022-11-26 00:19:16,263 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 114 transitions. Word has length 19 [2022-11-26 00:19:16,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:16,264 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 114 transitions. [2022-11-26 00:19:16,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2022-11-26 00:19:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:16,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:16,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:16,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-26 00:19:16,265 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1846773025, now seen corresponding path program 5 times [2022-11-26 00:19:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:16,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269435669] [2022-11-26 00:19:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:17,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:17,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269435669] [2022-11-26 00:19:17,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269435669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:17,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:17,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:17,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722984391] [2022-11-26 00:19:17,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:17,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:17,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:17,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:17,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:17,219 INFO L87 Difference]: Start difference. First operand 74 states and 114 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:18,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:18,080 INFO L93 Difference]: Finished difference Result 91 states and 134 transitions. [2022-11-26 00:19:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:19:18,081 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:18,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:18,081 INFO L225 Difference]: With dead ends: 91 [2022-11-26 00:19:18,081 INFO L226 Difference]: Without dead ends: 85 [2022-11-26 00:19:18,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:19:18,082 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:18,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-26 00:19:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 68. [2022-11-26 00:19:18,084 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) [2022-11-26 00:19:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2022-11-26 00:19:18,084 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 19 [2022-11-26 00:19:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:18,085 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2022-11-26 00:19:18,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2022-11-26 00:19:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:18,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:18,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:18,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-26 00:19:18,086 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1848272184, now seen corresponding path program 10 times [2022-11-26 00:19:18,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:18,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132559876] [2022-11-26 00:19:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:19,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:19,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132559876] [2022-11-26 00:19:19,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132559876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:19,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:19,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:19,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086857448] [2022-11-26 00:19:19,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:19,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:19,017 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:19,761 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2022-11-26 00:19:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:19,762 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:19,762 INFO L225 Difference]: With dead ends: 98 [2022-11-26 00:19:19,762 INFO L226 Difference]: Without dead ends: 98 [2022-11-26 00:19:19,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:19,763 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 65 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:19,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 3 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-26 00:19:19,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79. [2022-11-26 00:19:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.5584415584415585) internal successors, (120), 78 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) [2022-11-26 00:19:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2022-11-26 00:19:19,765 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 19 [2022-11-26 00:19:19,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:19,765 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2022-11-26 00:19:19,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2022-11-26 00:19:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:19,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:19,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:19,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-26 00:19:19,766 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1848272185, now seen corresponding path program 6 times [2022-11-26 00:19:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:19,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859666167] [2022-11-26 00:19:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:20,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:20,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859666167] [2022-11-26 00:19:20,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859666167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:20,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:20,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:20,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570129898] [2022-11-26 00:19:20,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:20,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:20,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:20,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:20,594 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:21,297 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2022-11-26 00:19:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:21,297 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:21,298 INFO L225 Difference]: With dead ends: 96 [2022-11-26 00:19:21,298 INFO L226 Difference]: Without dead ends: 84 [2022-11-26 00:19:21,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:21,298 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 58 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:21,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-26 00:19:21,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2022-11-26 00:19:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 66 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-11-26 00:19:21,300 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 19 [2022-11-26 00:19:21,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:21,300 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-11-26 00:19:21,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-11-26 00:19:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:21,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:21,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:21,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-26 00:19:21,301 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:21,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:21,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1601288388, now seen corresponding path program 11 times [2022-11-26 00:19:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:21,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226651668] [2022-11-26 00:19:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:22,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:22,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226651668] [2022-11-26 00:19:22,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226651668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:22,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:22,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:22,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701097116] [2022-11-26 00:19:22,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:22,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:22,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:22,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:22,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:22,134 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:22,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:22,918 INFO L93 Difference]: Finished difference Result 106 states and 155 transitions. [2022-11-26 00:19:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:19:22,918 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:22,919 INFO L225 Difference]: With dead ends: 106 [2022-11-26 00:19:22,919 INFO L226 Difference]: Without dead ends: 106 [2022-11-26 00:19:22,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:19:22,919 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 75 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:22,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 2 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-26 00:19:22,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 75. [2022-11-26 00:19:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 74 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) [2022-11-26 00:19:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 114 transitions. [2022-11-26 00:19:22,931 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 114 transitions. Word has length 19 [2022-11-26 00:19:22,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:22,931 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 114 transitions. [2022-11-26 00:19:22,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2022-11-26 00:19:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:22,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:22,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:22,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-26 00:19:22,933 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:22,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1601288389, now seen corresponding path program 7 times [2022-11-26 00:19:22,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:22,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180934306] [2022-11-26 00:19:22,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:23,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:23,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180934306] [2022-11-26 00:19:23,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180934306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:23,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:23,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567312462] [2022-11-26 00:19:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:23,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:23,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:23,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:23,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:23,893 INFO L87 Difference]: Start difference. First operand 75 states and 114 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:24,641 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2022-11-26 00:19:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:24,642 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:24,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:24,642 INFO L225 Difference]: With dead ends: 92 [2022-11-26 00:19:24,642 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:19:24,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:19:24,643 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 47 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:24,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:19:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2022-11-26 00:19:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.5483870967741935) internal successors, (96), 63 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 96 transitions. [2022-11-26 00:19:24,645 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 96 transitions. Word has length 19 [2022-11-26 00:19:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:24,646 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 96 transitions. [2022-11-26 00:19:24,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2022-11-26 00:19:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:24,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:24,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:24,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-26 00:19:24,647 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:24,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:24,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1872056042, now seen corresponding path program 12 times [2022-11-26 00:19:24,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:24,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468603260] [2022-11-26 00:19:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:24,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:25,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:25,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468603260] [2022-11-26 00:19:25,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468603260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:25,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:25,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:25,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665747649] [2022-11-26 00:19:25,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:25,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:25,664 INFO L87 Difference]: Start difference. First operand 64 states and 96 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:26,429 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2022-11-26 00:19:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:19:26,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:26,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:26,430 INFO L225 Difference]: With dead ends: 91 [2022-11-26 00:19:26,430 INFO L226 Difference]: Without dead ends: 91 [2022-11-26 00:19:26,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:19:26,430 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 31 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:26,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:26,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-26 00:19:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 74. [2022-11-26 00:19:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 73 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2022-11-26 00:19:26,433 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 19 [2022-11-26 00:19:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:26,433 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2022-11-26 00:19:26,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2022-11-26 00:19:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:26,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:26,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:26,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-26 00:19:26,435 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:26,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:26,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1872056041, now seen corresponding path program 8 times [2022-11-26 00:19:26,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:26,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277916720] [2022-11-26 00:19:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:26,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:27,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:27,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277916720] [2022-11-26 00:19:27,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277916720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:27,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:27,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:27,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901901201] [2022-11-26 00:19:27,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:27,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:27,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:27,340 INFO L87 Difference]: Start difference. First operand 74 states and 111 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:28,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:28,073 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2022-11-26 00:19:28,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:28,074 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:28,074 INFO L225 Difference]: With dead ends: 77 [2022-11-26 00:19:28,074 INFO L226 Difference]: Without dead ends: 60 [2022-11-26 00:19:28,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:19:28,075 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 40 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:28,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:28,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-26 00:19:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2022-11-26 00:19:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 56 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 87 transitions. [2022-11-26 00:19:28,076 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 87 transitions. Word has length 19 [2022-11-26 00:19:28,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:28,076 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 87 transitions. [2022-11-26 00:19:28,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2022-11-26 00:19:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:28,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:28,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:28,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-26 00:19:28,077 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash -74042280, now seen corresponding path program 13 times [2022-11-26 00:19:28,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:28,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178486861] [2022-11-26 00:19:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:28,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:28,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178486861] [2022-11-26 00:19:28,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178486861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:28,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:28,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:28,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243108289] [2022-11-26 00:19:28,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:28,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:28,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:28,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:28,792 INFO L87 Difference]: Start difference. First operand 57 states and 87 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:30,152 INFO L93 Difference]: Finished difference Result 140 states and 206 transitions. [2022-11-26 00:19:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:19:30,153 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:30,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:30,153 INFO L225 Difference]: With dead ends: 140 [2022-11-26 00:19:30,153 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:19:30,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:19:30,154 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 194 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:30,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 3 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:30,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:19:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 79. [2022-11-26 00:19:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.5844155844155845) internal successors, (122), 78 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions. [2022-11-26 00:19:30,157 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 19 [2022-11-26 00:19:30,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:30,157 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 122 transitions. [2022-11-26 00:19:30,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-11-26 00:19:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:30,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:30,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:30,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-26 00:19:30,158 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:30,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:30,159 INFO L85 PathProgramCache]: Analyzing trace with hash -74042279, now seen corresponding path program 9 times [2022-11-26 00:19:30,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:30,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608457056] [2022-11-26 00:19:30,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:30,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:30,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:30,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608457056] [2022-11-26 00:19:30,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608457056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:30,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:30,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478472493] [2022-11-26 00:19:30,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:30,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:30,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:30,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:30,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:30,853 INFO L87 Difference]: Start difference. First operand 79 states and 122 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:31,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:31,968 INFO L93 Difference]: Finished difference Result 132 states and 194 transitions. [2022-11-26 00:19:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:19:31,969 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:31,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:31,969 INFO L225 Difference]: With dead ends: 132 [2022-11-26 00:19:31,969 INFO L226 Difference]: Without dead ends: 126 [2022-11-26 00:19:31,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:19:31,970 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:31,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 3 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:31,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-26 00:19:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 85. [2022-11-26 00:19:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 84 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 129 transitions. [2022-11-26 00:19:31,972 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 129 transitions. Word has length 19 [2022-11-26 00:19:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:31,972 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 129 transitions. [2022-11-26 00:19:31,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2022-11-26 00:19:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:31,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:31,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:31,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-26 00:19:31,973 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:31,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash -72543120, now seen corresponding path program 14 times [2022-11-26 00:19:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:31,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239633039] [2022-11-26 00:19:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:32,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:32,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239633039] [2022-11-26 00:19:32,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239633039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:32,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:32,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:32,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190428098] [2022-11-26 00:19:32,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:32,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:32,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:32,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:32,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:32,668 INFO L87 Difference]: Start difference. First operand 85 states and 129 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:33,960 INFO L93 Difference]: Finished difference Result 151 states and 219 transitions. [2022-11-26 00:19:33,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:19:33,961 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:33,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:33,961 INFO L225 Difference]: With dead ends: 151 [2022-11-26 00:19:33,961 INFO L226 Difference]: Without dead ends: 151 [2022-11-26 00:19:33,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:19:33,962 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 212 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:33,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 4 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-26 00:19:33,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2022-11-26 00:19:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.5425531914893618) internal successors, (145), 95 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 145 transitions. [2022-11-26 00:19:33,965 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 145 transitions. Word has length 19 [2022-11-26 00:19:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:33,965 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 145 transitions. [2022-11-26 00:19:33,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2022-11-26 00:19:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:33,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:33,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:33,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-26 00:19:33,966 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:33,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:33,966 INFO L85 PathProgramCache]: Analyzing trace with hash -72543119, now seen corresponding path program 10 times [2022-11-26 00:19:33,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:33,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359697151] [2022-11-26 00:19:33,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:33,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:34,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:34,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359697151] [2022-11-26 00:19:34,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359697151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:34,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:34,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033063355] [2022-11-26 00:19:34,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:34,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:34,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:34,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:34,688 INFO L87 Difference]: Start difference. First operand 96 states and 145 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:35,863 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2022-11-26 00:19:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:19:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:35,864 INFO L225 Difference]: With dead ends: 147 [2022-11-26 00:19:35,864 INFO L226 Difference]: Without dead ends: 135 [2022-11-26 00:19:35,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:19:35,865 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 191 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:35,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 3 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-26 00:19:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 88. [2022-11-26 00:19:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 86 states have (on average 1.5465116279069768) internal successors, (133), 87 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2022-11-26 00:19:35,867 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 19 [2022-11-26 00:19:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:35,868 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2022-11-26 00:19:35,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2022-11-26 00:19:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:35,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:35,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:35,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-26 00:19:35,869 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -319526916, now seen corresponding path program 15 times [2022-11-26 00:19:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:35,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82016603] [2022-11-26 00:19:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:36,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:36,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82016603] [2022-11-26 00:19:36,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82016603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:36,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:36,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:36,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035624653] [2022-11-26 00:19:36,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:36,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:36,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:36,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:36,524 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:37,816 INFO L93 Difference]: Finished difference Result 139 states and 203 transitions. [2022-11-26 00:19:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:19:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:37,817 INFO L225 Difference]: With dead ends: 139 [2022-11-26 00:19:37,817 INFO L226 Difference]: Without dead ends: 139 [2022-11-26 00:19:37,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:19:37,818 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 171 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:37,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 3 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:37,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-26 00:19:37,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 96. [2022-11-26 00:19:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.5425531914893618) internal successors, (145), 95 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 145 transitions. [2022-11-26 00:19:37,820 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 145 transitions. Word has length 19 [2022-11-26 00:19:37,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:37,821 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 145 transitions. [2022-11-26 00:19:37,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2022-11-26 00:19:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:37,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:37,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:37,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-26 00:19:37,822 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:37,822 INFO L85 PathProgramCache]: Analyzing trace with hash -319526915, now seen corresponding path program 11 times [2022-11-26 00:19:37,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:37,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187667402] [2022-11-26 00:19:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:37,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:38,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:38,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187667402] [2022-11-26 00:19:38,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187667402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:38,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:38,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086439301] [2022-11-26 00:19:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:38,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:38,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:38,528 INFO L87 Difference]: Start difference. First operand 96 states and 145 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:39,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:39,750 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2022-11-26 00:19:39,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:19:39,751 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:39,751 INFO L225 Difference]: With dead ends: 139 [2022-11-26 00:19:39,751 INFO L226 Difference]: Without dead ends: 128 [2022-11-26 00:19:39,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:19:39,752 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 145 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:39,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-26 00:19:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 85. [2022-11-26 00:19:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.5301204819277108) internal successors, (127), 84 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) [2022-11-26 00:19:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2022-11-26 00:19:39,755 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 19 [2022-11-26 00:19:39,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:39,755 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2022-11-26 00:19:39,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2022-11-26 00:19:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:39,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:39,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:39,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-26 00:19:39,756 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:39,757 INFO L85 PathProgramCache]: Analyzing trace with hash 502095950, now seen corresponding path program 16 times [2022-11-26 00:19:39,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:39,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722074751] [2022-11-26 00:19:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:39,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:40,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:40,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722074751] [2022-11-26 00:19:40,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722074751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:40,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:40,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:40,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195964804] [2022-11-26 00:19:40,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:40,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:40,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:40,430 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:41,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:41,587 INFO L93 Difference]: Finished difference Result 126 states and 182 transitions. [2022-11-26 00:19:41,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:19:41,587 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:41,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:41,587 INFO L225 Difference]: With dead ends: 126 [2022-11-26 00:19:41,588 INFO L226 Difference]: Without dead ends: 126 [2022-11-26 00:19:41,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:19:41,588 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 129 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:41,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 4 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:41,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-26 00:19:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 95. [2022-11-26 00:19:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 93 states have (on average 1.5268817204301075) internal successors, (142), 94 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) [2022-11-26 00:19:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2022-11-26 00:19:41,591 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 19 [2022-11-26 00:19:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:41,591 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2022-11-26 00:19:41,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2022-11-26 00:19:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:41,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:41,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:41,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-26 00:19:41,593 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:41,593 INFO L85 PathProgramCache]: Analyzing trace with hash 502095951, now seen corresponding path program 12 times [2022-11-26 00:19:41,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:41,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949228247] [2022-11-26 00:19:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:41,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:42,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:42,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949228247] [2022-11-26 00:19:42,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949228247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:42,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:42,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:42,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450520683] [2022-11-26 00:19:42,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:42,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:42,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:42,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:42,260 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:43,250 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2022-11-26 00:19:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:19:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:43,251 INFO L225 Difference]: With dead ends: 124 [2022-11-26 00:19:43,251 INFO L226 Difference]: Without dead ends: 109 [2022-11-26 00:19:43,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:19:43,252 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 133 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:43,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 4 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-26 00:19:43,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 80. [2022-11-26 00:19:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 79 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 119 transitions. [2022-11-26 00:19:43,254 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 119 transitions. Word has length 19 [2022-11-26 00:19:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:43,254 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 119 transitions. [2022-11-26 00:19:43,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2022-11-26 00:19:43,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:43,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:43,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:43,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-26 00:19:43,255 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:43,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:43,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1473581198, now seen corresponding path program 17 times [2022-11-26 00:19:43,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:43,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923534588] [2022-11-26 00:19:43,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:43,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:43,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923534588] [2022-11-26 00:19:43,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923534588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:43,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:43,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:43,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344240824] [2022-11-26 00:19:43,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:43,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:43,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:43,914 INFO L87 Difference]: Start difference. First operand 80 states and 119 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:45,005 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2022-11-26 00:19:45,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:19:45,005 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:45,006 INFO L225 Difference]: With dead ends: 113 [2022-11-26 00:19:45,006 INFO L226 Difference]: Without dead ends: 107 [2022-11-26 00:19:45,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:19:45,006 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:45,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 2 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-26 00:19:45,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 78. [2022-11-26 00:19:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.513157894736842) internal successors, (115), 77 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) [2022-11-26 00:19:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 115 transitions. [2022-11-26 00:19:45,008 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 115 transitions. Word has length 19 [2022-11-26 00:19:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:45,008 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 115 transitions. [2022-11-26 00:19:45,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2022-11-26 00:19:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:45,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:45,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:45,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-11-26 00:19:45,009 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:45,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:45,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1472082038, now seen corresponding path program 18 times [2022-11-26 00:19:45,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:45,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555477234] [2022-11-26 00:19:45,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:45,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:45,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555477234] [2022-11-26 00:19:45,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555477234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:45,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:45,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:19:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331312606] [2022-11-26 00:19:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:45,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:19:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:19:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:19:45,516 INFO L87 Difference]: Start difference. First operand 78 states and 115 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:46,129 INFO L93 Difference]: Finished difference Result 120 states and 172 transitions. [2022-11-26 00:19:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:19:46,130 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:46,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:46,130 INFO L225 Difference]: With dead ends: 120 [2022-11-26 00:19:46,130 INFO L226 Difference]: Without dead ends: 96 [2022-11-26 00:19:46,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:19:46,131 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 116 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:46,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 2 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:19:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-26 00:19:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 73. [2022-11-26 00:19:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2022-11-26 00:19:46,132 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2022-11-26 00:19:46,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:46,132 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2022-11-26 00:19:46,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2022-11-26 00:19:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:46,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:46,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:46,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-11-26 00:19:46,133 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1439271117, now seen corresponding path program 13 times [2022-11-26 00:19:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:46,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54981886] [2022-11-26 00:19:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:46,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:46,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54981886] [2022-11-26 00:19:46,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54981886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:46,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:46,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:46,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456175455] [2022-11-26 00:19:46,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:46,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:46,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:46,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:46,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:46,935 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:48,133 INFO L93 Difference]: Finished difference Result 127 states and 185 transitions. [2022-11-26 00:19:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:19:48,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:48,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:48,134 INFO L225 Difference]: With dead ends: 127 [2022-11-26 00:19:48,134 INFO L226 Difference]: Without dead ends: 121 [2022-11-26 00:19:48,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:19:48,135 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 88 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:48,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 5 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:19:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-26 00:19:48,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 82. [2022-11-26 00:19:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.525) internal successors, (122), 81 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 122 transitions. [2022-11-26 00:19:48,138 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 122 transitions. Word has length 19 [2022-11-26 00:19:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:48,138 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 122 transitions. [2022-11-26 00:19:48,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2022-11-26 00:19:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:48,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:48,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:48,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-11-26 00:19:48,139 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:48,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:48,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1437771957, now seen corresponding path program 14 times [2022-11-26 00:19:48,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:48,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389577340] [2022-11-26 00:19:48,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:48,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:48,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:48,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389577340] [2022-11-26 00:19:48,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389577340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:48,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:48,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:48,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505597707] [2022-11-26 00:19:48,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:48,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:48,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:48,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:48,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:48,939 INFO L87 Difference]: Start difference. First operand 82 states and 122 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:49,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:49,829 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2022-11-26 00:19:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:19:49,830 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:49,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:49,830 INFO L225 Difference]: With dead ends: 121 [2022-11-26 00:19:49,830 INFO L226 Difference]: Without dead ends: 109 [2022-11-26 00:19:49,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:19:49,831 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 80 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:49,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 6 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-26 00:19:49,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 70. [2022-11-26 00:19:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 69 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) [2022-11-26 00:19:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 104 transitions. [2022-11-26 00:19:49,833 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 104 transitions. Word has length 19 [2022-11-26 00:19:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:49,833 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 104 transitions. [2022-11-26 00:19:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2022-11-26 00:19:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:49,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:49,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:49,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-11-26 00:19:49,834 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:49,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:49,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1686254914, now seen corresponding path program 19 times [2022-11-26 00:19:49,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:49,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135939580] [2022-11-26 00:19:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:49,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:50,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:50,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135939580] [2022-11-26 00:19:50,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135939580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:50,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:50,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:50,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733761006] [2022-11-26 00:19:50,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:50,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:50,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:50,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:50,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:50,668 INFO L87 Difference]: Start difference. First operand 70 states and 104 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:51,511 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2022-11-26 00:19:51,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:19:51,511 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:51,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:51,512 INFO L225 Difference]: With dead ends: 109 [2022-11-26 00:19:51,512 INFO L226 Difference]: Without dead ends: 103 [2022-11-26 00:19:51,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:19:51,512 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 74 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:51,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 5 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-26 00:19:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 64. [2022-11-26 00:19:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2022-11-26 00:19:51,513 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 19 [2022-11-26 00:19:51,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:51,513 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2022-11-26 00:19:51,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2022-11-26 00:19:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:51,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:51,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:51,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-11-26 00:19:51,515 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:51,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1684755754, now seen corresponding path program 20 times [2022-11-26 00:19:51,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:51,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319810558] [2022-11-26 00:19:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:51,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:52,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:52,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319810558] [2022-11-26 00:19:52,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319810558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:52,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:52,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:52,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057525680] [2022-11-26 00:19:52,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:52,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:52,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:52,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:52,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:52,404 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:53,433 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2022-11-26 00:19:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:19:53,434 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:53,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:53,434 INFO L225 Difference]: With dead ends: 113 [2022-11-26 00:19:53,434 INFO L226 Difference]: Without dead ends: 113 [2022-11-26 00:19:53,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:19:53,435 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 73 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:53,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 7 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:19:53,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-26 00:19:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 72. [2022-11-26 00:19:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2022-11-26 00:19:53,437 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 19 [2022-11-26 00:19:53,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:53,437 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2022-11-26 00:19:53,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2022-11-26 00:19:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:53,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:53,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:53,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-11-26 00:19:53,438 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:53,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:53,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1684755753, now seen corresponding path program 15 times [2022-11-26 00:19:53,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:53,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621483020] [2022-11-26 00:19:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:53,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:54,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:54,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621483020] [2022-11-26 00:19:54,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621483020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:54,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:54,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:54,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002591613] [2022-11-26 00:19:54,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:54,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:54,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:54,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:54,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:54,320 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:55,303 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2022-11-26 00:19:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:19:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:55,304 INFO L225 Difference]: With dead ends: 111 [2022-11-26 00:19:55,304 INFO L226 Difference]: Without dead ends: 100 [2022-11-26 00:19:55,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:19:55,305 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 73 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:55,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 7 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-26 00:19:55,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 61. [2022-11-26 00:19:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2022-11-26 00:19:55,307 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 19 [2022-11-26 00:19:55,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:55,308 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2022-11-26 00:19:55,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2022-11-26 00:19:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:55,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:55,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:55,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-11-26 00:19:55,309 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash -863132888, now seen corresponding path program 21 times [2022-11-26 00:19:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:55,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261860662] [2022-11-26 00:19:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:56,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:56,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261860662] [2022-11-26 00:19:56,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261860662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:56,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:56,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:56,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175025598] [2022-11-26 00:19:56,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:56,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:56,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:56,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:56,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:56,135 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:56,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:56,954 INFO L93 Difference]: Finished difference Result 98 states and 140 transitions. [2022-11-26 00:19:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:19:56,955 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:56,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:56,955 INFO L225 Difference]: With dead ends: 98 [2022-11-26 00:19:56,955 INFO L226 Difference]: Without dead ends: 98 [2022-11-26 00:19:56,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:19:56,956 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 59 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:56,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 7 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:19:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-26 00:19:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 71. [2022-11-26 00:19:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 70 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 103 transitions. [2022-11-26 00:19:56,958 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 103 transitions. Word has length 19 [2022-11-26 00:19:56,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:56,958 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 103 transitions. [2022-11-26 00:19:56,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-26 00:19:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:56,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:56,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:56,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-11-26 00:19:56,960 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:56,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:56,960 INFO L85 PathProgramCache]: Analyzing trace with hash -863132887, now seen corresponding path program 16 times [2022-11-26 00:19:56,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:56,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285924694] [2022-11-26 00:19:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:56,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:57,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:57,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285924694] [2022-11-26 00:19:57,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285924694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:57,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:57,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:19:57,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869360020] [2022-11-26 00:19:57,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:57,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:19:57,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:57,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:19:57,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:19:57,796 INFO L87 Difference]: Start difference. First operand 71 states and 103 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:58,921 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2022-11-26 00:19:58,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:19:58,921 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:19:58,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:58,922 INFO L225 Difference]: With dead ends: 96 [2022-11-26 00:19:58,922 INFO L226 Difference]: Without dead ends: 74 [2022-11-26 00:19:58,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:19:58,922 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 48 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:58,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 7 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:19:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-26 00:19:58,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 49. [2022-11-26 00:19:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.553191489361702) internal successors, (73), 48 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) [2022-11-26 00:19:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 73 transitions. [2022-11-26 00:19:58,924 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 73 transitions. Word has length 19 [2022-11-26 00:19:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:58,924 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 73 transitions. [2022-11-26 00:19:58,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:19:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2022-11-26 00:19:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:19:58,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:58,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:58,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-11-26 00:19:58,925 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:19:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:58,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1203018076, now seen corresponding path program 22 times [2022-11-26 00:19:58,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:58,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404647581] [2022-11-26 00:19:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:19:59,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:59,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404647581] [2022-11-26 00:19:59,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404647581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:59,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:59,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:19:59,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576106054] [2022-11-26 00:19:59,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:59,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:19:59,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:59,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:19:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:19:59,905 INFO L87 Difference]: Start difference. First operand 49 states and 73 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:01,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:01,261 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2022-11-26 00:20:01,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:20:01,261 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:01,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:01,262 INFO L225 Difference]: With dead ends: 106 [2022-11-26 00:20:01,262 INFO L226 Difference]: Without dead ends: 106 [2022-11-26 00:20:01,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=220, Invalid=650, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:20:01,262 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:01,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-26 00:20:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 68. [2022-11-26 00:20:01,264 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) [2022-11-26 00:20:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2022-11-26 00:20:01,264 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 19 [2022-11-26 00:20:01,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:01,264 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2022-11-26 00:20:01,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2022-11-26 00:20:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:01,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:01,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:01,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-11-26 00:20:01,265 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:01,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:01,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1203018077, now seen corresponding path program 17 times [2022-11-26 00:20:01,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:01,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491888120] [2022-11-26 00:20:01,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:02,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:02,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491888120] [2022-11-26 00:20:02,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491888120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:02,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:02,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:02,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968683920] [2022-11-26 00:20:02,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:02,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:02,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:02,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:02,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:02,136 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:03,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:03,400 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2022-11-26 00:20:03,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:20:03,400 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:03,401 INFO L225 Difference]: With dead ends: 111 [2022-11-26 00:20:03,401 INFO L226 Difference]: Without dead ends: 105 [2022-11-26 00:20:03,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:20:03,401 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 120 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:03,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 0 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-26 00:20:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 73. [2022-11-26 00:20:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 72 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2022-11-26 00:20:03,403 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 19 [2022-11-26 00:20:03,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:03,403 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2022-11-26 00:20:03,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2022-11-26 00:20:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:03,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:03,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:03,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-11-26 00:20:03,404 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:03,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1204517236, now seen corresponding path program 23 times [2022-11-26 00:20:03,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:03,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517261873] [2022-11-26 00:20:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:04,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:04,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517261873] [2022-11-26 00:20:04,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517261873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:04,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:04,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:04,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779651981] [2022-11-26 00:20:04,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:04,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:04,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:04,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:04,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:04,385 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:05,562 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2022-11-26 00:20:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:20:05,564 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:05,564 INFO L225 Difference]: With dead ends: 116 [2022-11-26 00:20:05,564 INFO L226 Difference]: Without dead ends: 116 [2022-11-26 00:20:05,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:20:05,565 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 147 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:05,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:05,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-26 00:20:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 84. [2022-11-26 00:20:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 83 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) [2022-11-26 00:20:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2022-11-26 00:20:05,568 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 19 [2022-11-26 00:20:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:05,568 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2022-11-26 00:20:05,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2022-11-26 00:20:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:05,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:05,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:05,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-11-26 00:20:05,569 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:05,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:05,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1204517237, now seen corresponding path program 18 times [2022-11-26 00:20:05,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:05,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575952815] [2022-11-26 00:20:05,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:06,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:06,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575952815] [2022-11-26 00:20:06,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575952815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:06,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:06,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927800539] [2022-11-26 00:20:06,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:06,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:06,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:06,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:06,476 INFO L87 Difference]: Start difference. First operand 84 states and 126 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:07,789 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2022-11-26 00:20:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:20:07,789 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:07,790 INFO L225 Difference]: With dead ends: 124 [2022-11-26 00:20:07,790 INFO L226 Difference]: Without dead ends: 112 [2022-11-26 00:20:07,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:20:07,790 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 147 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:07,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 0 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:20:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-26 00:20:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 76. [2022-11-26 00:20:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 74 states have (on average 1.5405405405405406) internal successors, (114), 75 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) [2022-11-26 00:20:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 114 transitions. [2022-11-26 00:20:07,792 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 114 transitions. Word has length 19 [2022-11-26 00:20:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:07,793 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 114 transitions. [2022-11-26 00:20:07,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2022-11-26 00:20:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:07,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:07,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:07,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-11-26 00:20:07,794 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 957533440, now seen corresponding path program 24 times [2022-11-26 00:20:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:07,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773620550] [2022-11-26 00:20:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:08,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:08,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773620550] [2022-11-26 00:20:08,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773620550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:08,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:08,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:08,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454441186] [2022-11-26 00:20:08,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:08,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:08,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:08,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:08,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:08,649 INFO L87 Difference]: Start difference. First operand 76 states and 114 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:10,078 INFO L93 Difference]: Finished difference Result 122 states and 176 transitions. [2022-11-26 00:20:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:20:10,079 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:10,079 INFO L225 Difference]: With dead ends: 122 [2022-11-26 00:20:10,079 INFO L226 Difference]: Without dead ends: 122 [2022-11-26 00:20:10,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:20:10,080 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:10,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:20:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-26 00:20:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 84. [2022-11-26 00:20:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 83 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) [2022-11-26 00:20:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2022-11-26 00:20:10,082 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 19 [2022-11-26 00:20:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:10,082 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2022-11-26 00:20:10,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2022-11-26 00:20:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:10,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:10,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:10,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-11-26 00:20:10,083 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash 957533441, now seen corresponding path program 19 times [2022-11-26 00:20:10,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:10,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510349687] [2022-11-26 00:20:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:10,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:10,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510349687] [2022-11-26 00:20:10,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510349687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:10,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:10,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:10,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303895389] [2022-11-26 00:20:10,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:10,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:10,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:10,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:10,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:10,970 INFO L87 Difference]: Start difference. First operand 84 states and 126 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:12,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:12,342 INFO L93 Difference]: Finished difference Result 116 states and 167 transitions. [2022-11-26 00:20:12,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:20:12,342 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:12,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:12,343 INFO L225 Difference]: With dead ends: 116 [2022-11-26 00:20:12,343 INFO L226 Difference]: Without dead ends: 105 [2022-11-26 00:20:12,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:20:12,343 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:12,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:12,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-26 00:20:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 73. [2022-11-26 00:20:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2022-11-26 00:20:12,346 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2022-11-26 00:20:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:12,346 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2022-11-26 00:20:12,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2022-11-26 00:20:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:12,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:12,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:12,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-11-26 00:20:12,347 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:12,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:12,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1779156306, now seen corresponding path program 25 times [2022-11-26 00:20:12,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:12,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873882292] [2022-11-26 00:20:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:13,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:13,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873882292] [2022-11-26 00:20:13,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873882292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:13,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:13,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:13,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144781167] [2022-11-26 00:20:13,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:13,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:13,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:13,014 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:13,711 INFO L93 Difference]: Finished difference Result 100 states and 148 transitions. [2022-11-26 00:20:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:20:13,712 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:13,712 INFO L225 Difference]: With dead ends: 100 [2022-11-26 00:20:13,712 INFO L226 Difference]: Without dead ends: 100 [2022-11-26 00:20:13,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:20:13,713 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 104 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:13,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:13,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-26 00:20:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2022-11-26 00:20:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 87 states have (on average 1.5402298850574712) internal successors, (134), 88 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) [2022-11-26 00:20:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 134 transitions. [2022-11-26 00:20:13,714 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 134 transitions. Word has length 19 [2022-11-26 00:20:13,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:13,714 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 134 transitions. [2022-11-26 00:20:13,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2022-11-26 00:20:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:13,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:13,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:13,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-11-26 00:20:13,715 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1779156307, now seen corresponding path program 20 times [2022-11-26 00:20:13,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:13,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756625464] [2022-11-26 00:20:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:14,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:14,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756625464] [2022-11-26 00:20:14,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756625464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:14,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:14,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:14,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137873503] [2022-11-26 00:20:14,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:14,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:14,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:14,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:14,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:14,577 INFO L87 Difference]: Start difference. First operand 89 states and 134 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:15,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:15,533 INFO L93 Difference]: Finished difference Result 113 states and 167 transitions. [2022-11-26 00:20:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:15,534 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:15,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:15,534 INFO L225 Difference]: With dead ends: 113 [2022-11-26 00:20:15,534 INFO L226 Difference]: Without dead ends: 99 [2022-11-26 00:20:15,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:15,535 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 87 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:15,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:15,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-26 00:20:15,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 85. [2022-11-26 00:20:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.5421686746987953) internal successors, (128), 84 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 128 transitions. [2022-11-26 00:20:15,537 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 128 transitions. Word has length 19 [2022-11-26 00:20:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:15,537 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 128 transitions. [2022-11-26 00:20:15,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2022-11-26 00:20:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:15,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:15,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:15,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-11-26 00:20:15,538 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:15,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:15,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1733511570, now seen corresponding path program 26 times [2022-11-26 00:20:15,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:15,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341018051] [2022-11-26 00:20:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:16,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:16,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341018051] [2022-11-26 00:20:16,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341018051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:16,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:16,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:16,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589569238] [2022-11-26 00:20:16,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:16,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:16,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:16,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:16,226 INFO L87 Difference]: Start difference. First operand 85 states and 128 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:17,111 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2022-11-26 00:20:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:17,112 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:17,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:17,112 INFO L225 Difference]: With dead ends: 123 [2022-11-26 00:20:17,112 INFO L226 Difference]: Without dead ends: 117 [2022-11-26 00:20:17,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:20:17,113 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 100 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:17,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 0 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-26 00:20:17,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 90. [2022-11-26 00:20:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 89 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) [2022-11-26 00:20:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2022-11-26 00:20:17,115 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 19 [2022-11-26 00:20:17,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:17,115 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2022-11-26 00:20:17,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2022-11-26 00:20:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:17,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:17,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:17,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-11-26 00:20:17,116 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:17,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1732012410, now seen corresponding path program 27 times [2022-11-26 00:20:17,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:17,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021907688] [2022-11-26 00:20:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:17,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:17,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021907688] [2022-11-26 00:20:17,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021907688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:17,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:17,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:17,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451308147] [2022-11-26 00:20:17,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:17,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:17,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:17,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:17,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:17,998 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:18,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:18,931 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2022-11-26 00:20:18,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:18,931 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:18,932 INFO L225 Difference]: With dead ends: 99 [2022-11-26 00:20:18,932 INFO L226 Difference]: Without dead ends: 84 [2022-11-26 00:20:18,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:18,935 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 89 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:18,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-26 00:20:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 75. [2022-11-26 00:20:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 74 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) [2022-11-26 00:20:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 112 transitions. [2022-11-26 00:20:18,938 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 112 transitions. Word has length 19 [2022-11-26 00:20:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:18,938 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 112 transitions. [2022-11-26 00:20:18,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2022-11-26 00:20:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:18,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:18,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:18,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-11-26 00:20:18,939 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:18,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:18,940 INFO L85 PathProgramCache]: Analyzing trace with hash 736058140, now seen corresponding path program 28 times [2022-11-26 00:20:18,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:18,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273531889] [2022-11-26 00:20:18,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:18,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:19,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:19,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273531889] [2022-11-26 00:20:19,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273531889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:19,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:19,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:19,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707333005] [2022-11-26 00:20:19,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:19,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:19,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:19,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:19,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:19,597 INFO L87 Difference]: Start difference. First operand 75 states and 112 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:20,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:20,293 INFO L93 Difference]: Finished difference Result 120 states and 172 transitions. [2022-11-26 00:20:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:20,293 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:20,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:20,294 INFO L225 Difference]: With dead ends: 120 [2022-11-26 00:20:20,294 INFO L226 Difference]: Without dead ends: 120 [2022-11-26 00:20:20,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:20:20,294 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 120 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:20,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-26 00:20:20,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 76. [2022-11-26 00:20:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 74 states have (on average 1.527027027027027) internal successors, (113), 75 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) [2022-11-26 00:20:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 113 transitions. [2022-11-26 00:20:20,296 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 113 transitions. Word has length 19 [2022-11-26 00:20:20,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:20,296 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 113 transitions. [2022-11-26 00:20:20,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2022-11-26 00:20:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:20,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:20,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:20,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-11-26 00:20:20,297 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:20,297 INFO L85 PathProgramCache]: Analyzing trace with hash 736058141, now seen corresponding path program 21 times [2022-11-26 00:20:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:20,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606082203] [2022-11-26 00:20:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:20,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:21,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:21,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606082203] [2022-11-26 00:20:21,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606082203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:21,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:21,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:21,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161548133] [2022-11-26 00:20:21,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:21,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:21,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:21,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:21,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:21,115 INFO L87 Difference]: Start difference. First operand 76 states and 113 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:22,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:22,055 INFO L93 Difference]: Finished difference Result 106 states and 152 transitions. [2022-11-26 00:20:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:22,055 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:22,056 INFO L225 Difference]: With dead ends: 106 [2022-11-26 00:20:22,056 INFO L226 Difference]: Without dead ends: 100 [2022-11-26 00:20:22,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:20:22,056 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:22,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:22,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-26 00:20:22,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2022-11-26 00:20:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.5) internal successors, (120), 81 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) [2022-11-26 00:20:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2022-11-26 00:20:22,057 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 19 [2022-11-26 00:20:22,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:22,058 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2022-11-26 00:20:22,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2022-11-26 00:20:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:22,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:22,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:22,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-11-26 00:20:22,058 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash 737557300, now seen corresponding path program 29 times [2022-11-26 00:20:22,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:22,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065024608] [2022-11-26 00:20:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:22,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:22,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:22,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065024608] [2022-11-26 00:20:22,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065024608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:22,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:22,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:22,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130715282] [2022-11-26 00:20:22,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:22,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:22,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:22,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:22,779 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:23,431 INFO L93 Difference]: Finished difference Result 122 states and 175 transitions. [2022-11-26 00:20:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:20:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:23,432 INFO L225 Difference]: With dead ends: 122 [2022-11-26 00:20:23,432 INFO L226 Difference]: Without dead ends: 122 [2022-11-26 00:20:23,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:20:23,433 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 97 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:23,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 2 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:23,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-26 00:20:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 87. [2022-11-26 00:20:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 85 states have (on average 1.4941176470588236) internal successors, (127), 86 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) [2022-11-26 00:20:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2022-11-26 00:20:23,435 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2022-11-26 00:20:23,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:23,435 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2022-11-26 00:20:23,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2022-11-26 00:20:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:23,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:23,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:23,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-11-26 00:20:23,436 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:23,437 INFO L85 PathProgramCache]: Analyzing trace with hash 737557301, now seen corresponding path program 22 times [2022-11-26 00:20:23,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:23,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414189982] [2022-11-26 00:20:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:24,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:24,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414189982] [2022-11-26 00:20:24,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414189982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:24,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:24,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:24,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100776195] [2022-11-26 00:20:24,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:24,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:24,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:24,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:24,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:24,318 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:25,246 INFO L93 Difference]: Finished difference Result 101 states and 145 transitions. [2022-11-26 00:20:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:25,247 INFO L225 Difference]: With dead ends: 101 [2022-11-26 00:20:25,247 INFO L226 Difference]: Without dead ends: 83 [2022-11-26 00:20:25,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:25,248 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:25,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:25,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-26 00:20:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2022-11-26 00:20:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 76 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) [2022-11-26 00:20:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2022-11-26 00:20:25,250 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 19 [2022-11-26 00:20:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:25,250 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2022-11-26 00:20:25,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2022-11-26 00:20:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:25,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:25,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:25,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-11-26 00:20:25,251 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash 737538918, now seen corresponding path program 30 times [2022-11-26 00:20:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:25,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901864895] [2022-11-26 00:20:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:25,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:25,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901864895] [2022-11-26 00:20:25,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901864895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:25,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:25,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:25,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567021464] [2022-11-26 00:20:25,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:25,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:25,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:25,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:25,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:25,936 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:26,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:26,686 INFO L93 Difference]: Finished difference Result 102 states and 146 transitions. [2022-11-26 00:20:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:20:26,687 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:26,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:26,687 INFO L225 Difference]: With dead ends: 102 [2022-11-26 00:20:26,688 INFO L226 Difference]: Without dead ends: 102 [2022-11-26 00:20:26,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:20:26,688 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 90 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:26,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-26 00:20:26,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 77. [2022-11-26 00:20:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 76 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) [2022-11-26 00:20:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2022-11-26 00:20:26,690 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 19 [2022-11-26 00:20:26,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:26,690 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2022-11-26 00:20:26,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2022-11-26 00:20:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:26,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:26,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:26,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-11-26 00:20:26,691 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:26,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash 737538919, now seen corresponding path program 23 times [2022-11-26 00:20:26,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:26,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855519749] [2022-11-26 00:20:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:26,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:27,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:27,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855519749] [2022-11-26 00:20:27,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855519749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:27,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:27,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:27,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455223812] [2022-11-26 00:20:27,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:27,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:27,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:27,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:27,502 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:28,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:28,342 INFO L93 Difference]: Finished difference Result 104 states and 149 transitions. [2022-11-26 00:20:28,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:28,342 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:28,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:28,343 INFO L225 Difference]: With dead ends: 104 [2022-11-26 00:20:28,343 INFO L226 Difference]: Without dead ends: 98 [2022-11-26 00:20:28,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:20:28,343 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:28,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 0 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:28,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-26 00:20:28,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 82. [2022-11-26 00:20:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.4875) internal successors, (119), 81 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2022-11-26 00:20:28,345 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 19 [2022-11-26 00:20:28,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:28,346 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2022-11-26 00:20:28,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2022-11-26 00:20:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:28,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:28,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:28,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-11-26 00:20:28,347 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash 739038078, now seen corresponding path program 31 times [2022-11-26 00:20:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:28,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205868202] [2022-11-26 00:20:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:29,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:29,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205868202] [2022-11-26 00:20:29,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205868202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:29,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:29,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014065365] [2022-11-26 00:20:29,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:29,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:29,029 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:29,612 INFO L93 Difference]: Finished difference Result 92 states and 132 transitions. [2022-11-26 00:20:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:20:29,613 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:29,613 INFO L225 Difference]: With dead ends: 92 [2022-11-26 00:20:29,613 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:20:29,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:20:29,614 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 99 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:29,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 2 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:29,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:20:29,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2022-11-26 00:20:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.4875) internal successors, (119), 81 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2022-11-26 00:20:29,616 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 19 [2022-11-26 00:20:29,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:29,616 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2022-11-26 00:20:29,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2022-11-26 00:20:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:29,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:29,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:29,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-11-26 00:20:29,617 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:29,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash 739038079, now seen corresponding path program 24 times [2022-11-26 00:20:29,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:29,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869291132] [2022-11-26 00:20:29,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:29,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:30,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:30,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869291132] [2022-11-26 00:20:30,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869291132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:30,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:30,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:30,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32379488] [2022-11-26 00:20:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:30,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:30,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:30,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:30,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:30,413 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:31,229 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2022-11-26 00:20:31,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:31,230 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:31,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:31,230 INFO L225 Difference]: With dead ends: 94 [2022-11-26 00:20:31,230 INFO L226 Difference]: Without dead ends: 79 [2022-11-26 00:20:31,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:31,230 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:31,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:31,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-26 00:20:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2022-11-26 00:20:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 74 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2022-11-26 00:20:31,232 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 19 [2022-11-26 00:20:31,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:31,232 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2022-11-26 00:20:31,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2022-11-26 00:20:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:31,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:31,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:31,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-11-26 00:20:31,233 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash 149793597, now seen corresponding path program 25 times [2022-11-26 00:20:31,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:31,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240571745] [2022-11-26 00:20:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:31,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:32,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:32,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240571745] [2022-11-26 00:20:32,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240571745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:32,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:32,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953791796] [2022-11-26 00:20:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:32,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:32,047 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:32,905 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2022-11-26 00:20:32,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:20:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:32,906 INFO L225 Difference]: With dead ends: 105 [2022-11-26 00:20:32,906 INFO L226 Difference]: Without dead ends: 99 [2022-11-26 00:20:32,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:20:32,906 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:32,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 0 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-26 00:20:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 79. [2022-11-26 00:20:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 78 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) [2022-11-26 00:20:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2022-11-26 00:20:32,909 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 19 [2022-11-26 00:20:32,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:32,909 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2022-11-26 00:20:32,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2022-11-26 00:20:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:32,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:32,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:32,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-11-26 00:20:32,910 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:32,911 INFO L85 PathProgramCache]: Analyzing trace with hash 151292757, now seen corresponding path program 26 times [2022-11-26 00:20:32,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:32,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296995275] [2022-11-26 00:20:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:32,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:33,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:33,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296995275] [2022-11-26 00:20:33,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296995275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:33,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:33,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001225621] [2022-11-26 00:20:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:33,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:33,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:33,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:33,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:33,775 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:34,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:34,530 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2022-11-26 00:20:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:34,531 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:34,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:34,531 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:20:34,531 INFO L226 Difference]: Without dead ends: 73 [2022-11-26 00:20:34,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:34,532 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:34,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:34,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-26 00:20:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-26 00:20:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 71 states have (on average 1.4929577464788732) internal successors, (106), 72 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 106 transitions. [2022-11-26 00:20:34,534 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 106 transitions. Word has length 19 [2022-11-26 00:20:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:34,534 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 106 transitions. [2022-11-26 00:20:34,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-11-26 00:20:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:34,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:34,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:34,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-11-26 00:20:34,535 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:34,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:34,535 INFO L85 PathProgramCache]: Analyzing trace with hash -410194806, now seen corresponding path program 32 times [2022-11-26 00:20:34,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:34,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13995257] [2022-11-26 00:20:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:34,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:35,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13995257] [2022-11-26 00:20:35,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13995257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:35,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:35,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819680711] [2022-11-26 00:20:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:35,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:35,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:35,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:35,284 INFO L87 Difference]: Start difference. First operand 73 states and 106 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:35,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:35,959 INFO L93 Difference]: Finished difference Result 104 states and 149 transitions. [2022-11-26 00:20:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:20:35,960 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:35,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:35,960 INFO L225 Difference]: With dead ends: 104 [2022-11-26 00:20:35,960 INFO L226 Difference]: Without dead ends: 104 [2022-11-26 00:20:35,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:20:35,961 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:35,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:35,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-26 00:20:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 76. [2022-11-26 00:20:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 74 states have (on average 1.5) internal successors, (111), 75 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 111 transitions. [2022-11-26 00:20:35,963 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 111 transitions. Word has length 19 [2022-11-26 00:20:35,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:35,963 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 111 transitions. [2022-11-26 00:20:35,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2022-11-26 00:20:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:35,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:35,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:35,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-11-26 00:20:35,964 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:35,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash -410194805, now seen corresponding path program 27 times [2022-11-26 00:20:35,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:35,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387146083] [2022-11-26 00:20:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:36,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:36,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387146083] [2022-11-26 00:20:36,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387146083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:36,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:36,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:36,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428328702] [2022-11-26 00:20:36,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:36,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:36,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:36,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:36,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:36,800 INFO L87 Difference]: Start difference. First operand 76 states and 111 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:37,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:37,622 INFO L93 Difference]: Finished difference Result 84 states and 121 transitions. [2022-11-26 00:20:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:37,623 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:37,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:37,623 INFO L225 Difference]: With dead ends: 84 [2022-11-26 00:20:37,623 INFO L226 Difference]: Without dead ends: 71 [2022-11-26 00:20:37,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:37,624 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:37,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:37,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-26 00:20:37,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-26 00:20:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 70 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) [2022-11-26 00:20:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2022-11-26 00:20:37,625 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 19 [2022-11-26 00:20:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:37,625 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2022-11-26 00:20:37,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2022-11-26 00:20:37,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:37,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:37,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:37,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-11-26 00:20:37,626 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:37,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:37,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1712364543, now seen corresponding path program 28 times [2022-11-26 00:20:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:37,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536837611] [2022-11-26 00:20:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:37,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:38,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:38,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536837611] [2022-11-26 00:20:38,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536837611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:38,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:38,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:38,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887184079] [2022-11-26 00:20:38,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:38,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:38,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:38,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:38,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:38,569 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:39,629 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2022-11-26 00:20:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:20:39,629 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:39,630 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:20:39,630 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:20:39,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:20:39,630 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:39,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 0 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:39,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:20:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2022-11-26 00:20:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 68 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 99 transitions. [2022-11-26 00:20:39,632 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 99 transitions. Word has length 19 [2022-11-26 00:20:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:39,632 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 99 transitions. [2022-11-26 00:20:39,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2022-11-26 00:20:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:39,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:39,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:39,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-11-26 00:20:39,633 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:39,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:39,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1710865383, now seen corresponding path program 29 times [2022-11-26 00:20:39,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:39,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445133556] [2022-11-26 00:20:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:39,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:40,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:40,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445133556] [2022-11-26 00:20:40,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445133556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:40,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:40,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:40,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326927051] [2022-11-26 00:20:40,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:40,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:40,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:40,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:40,436 INFO L87 Difference]: Start difference. First operand 69 states and 99 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:41,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:41,569 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2022-11-26 00:20:41,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:20:41,569 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:41,570 INFO L225 Difference]: With dead ends: 89 [2022-11-26 00:20:41,570 INFO L226 Difference]: Without dead ends: 77 [2022-11-26 00:20:41,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2022-11-26 00:20:41,570 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 106 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:41,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:41,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-26 00:20:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2022-11-26 00:20:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2022-11-26 00:20:41,572 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 19 [2022-11-26 00:20:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:41,572 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2022-11-26 00:20:41,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2022-11-26 00:20:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:41,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:41,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:41,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-11-26 00:20:41,573 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:41,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:41,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1957849180, now seen corresponding path program 33 times [2022-11-26 00:20:41,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:41,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128002165] [2022-11-26 00:20:41,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:41,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:42,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:42,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128002165] [2022-11-26 00:20:42,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128002165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:42,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:42,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:42,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455966867] [2022-11-26 00:20:42,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:42,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:42,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:42,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:42,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:42,305 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:43,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:43,122 INFO L93 Difference]: Finished difference Result 77 states and 107 transitions. [2022-11-26 00:20:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:43,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:43,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:43,123 INFO L225 Difference]: With dead ends: 77 [2022-11-26 00:20:43,123 INFO L226 Difference]: Without dead ends: 77 [2022-11-26 00:20:43,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:20:43,123 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 97 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:43,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-26 00:20:43,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2022-11-26 00:20:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2022-11-26 00:20:43,125 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 19 [2022-11-26 00:20:43,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:43,125 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2022-11-26 00:20:43,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2022-11-26 00:20:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:43,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:43,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:43,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-11-26 00:20:43,126 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1957849179, now seen corresponding path program 30 times [2022-11-26 00:20:43,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:43,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520704682] [2022-11-26 00:20:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:44,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:44,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520704682] [2022-11-26 00:20:44,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520704682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:44,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:44,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:44,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450813656] [2022-11-26 00:20:44,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:44,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:44,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:44,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:44,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:44,064 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:45,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:45,087 INFO L93 Difference]: Finished difference Result 75 states and 104 transitions. [2022-11-26 00:20:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:20:45,087 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:45,087 INFO L225 Difference]: With dead ends: 75 [2022-11-26 00:20:45,087 INFO L226 Difference]: Without dead ends: 64 [2022-11-26 00:20:45,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:20:45,088 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:45,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-26 00:20:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2022-11-26 00:20:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 87 transitions. [2022-11-26 00:20:45,090 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 87 transitions. Word has length 19 [2022-11-26 00:20:45,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:45,090 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 87 transitions. [2022-11-26 00:20:45,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-26 00:20:45,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:45,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:45,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:45,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-11-26 00:20:45,091 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:45,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:45,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1136226313, now seen corresponding path program 31 times [2022-11-26 00:20:45,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:45,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441038905] [2022-11-26 00:20:45,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:45,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:45,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:45,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441038905] [2022-11-26 00:20:45,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441038905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:45,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:45,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:20:45,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994528601] [2022-11-26 00:20:45,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:45,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:20:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:45,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:20:45,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-11-26 00:20:45,988 INFO L87 Difference]: Start difference. First operand 62 states and 87 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:46,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:46,823 INFO L93 Difference]: Finished difference Result 62 states and 85 transitions. [2022-11-26 00:20:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:46,824 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:46,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:46,824 INFO L225 Difference]: With dead ends: 62 [2022-11-26 00:20:46,824 INFO L226 Difference]: Without dead ends: 39 [2022-11-26 00:20:46,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:20:46,824 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:46,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-26 00:20:46,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-26 00:20:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2022-11-26 00:20:46,826 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2022-11-26 00:20:46,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:46,826 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2022-11-26 00:20:46,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-11-26 00:20:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:46,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:46,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:46,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-11-26 00:20:46,827 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:46,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1727359776, now seen corresponding path program 34 times [2022-11-26 00:20:46,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:46,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569782665] [2022-11-26 00:20:46,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:47,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:47,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569782665] [2022-11-26 00:20:47,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569782665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:47,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:47,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:47,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50517247] [2022-11-26 00:20:47,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:47,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:47,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:47,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:47,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:47,650 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:48,271 INFO L93 Difference]: Finished difference Result 68 states and 97 transitions. [2022-11-26 00:20:48,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:48,272 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:48,272 INFO L225 Difference]: With dead ends: 68 [2022-11-26 00:20:48,272 INFO L226 Difference]: Without dead ends: 68 [2022-11-26 00:20:48,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:20:48,273 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:48,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-26 00:20:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2022-11-26 00:20:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2022-11-26 00:20:48,274 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 19 [2022-11-26 00:20:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:48,274 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2022-11-26 00:20:48,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2022-11-26 00:20:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:48,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:48,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:48,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-11-26 00:20:48,275 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1727359777, now seen corresponding path program 32 times [2022-11-26 00:20:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:48,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393941838] [2022-11-26 00:20:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:49,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:49,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393941838] [2022-11-26 00:20:49,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393941838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:49,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:49,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:49,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657616528] [2022-11-26 00:20:49,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:49,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:49,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:49,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:49,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:49,126 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:49,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:49,705 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2022-11-26 00:20:49,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:49,705 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:49,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:49,706 INFO L225 Difference]: With dead ends: 68 [2022-11-26 00:20:49,706 INFO L226 Difference]: Without dead ends: 62 [2022-11-26 00:20:49,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:20:49,706 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:49,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:49,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-26 00:20:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 48. [2022-11-26 00:20:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 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) [2022-11-26 00:20:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2022-11-26 00:20:49,708 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 19 [2022-11-26 00:20:49,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:49,709 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-11-26 00:20:49,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-11-26 00:20:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:49,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:49,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:49,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-11-26 00:20:49,710 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:49,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:49,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1728858936, now seen corresponding path program 35 times [2022-11-26 00:20:49,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:49,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796582030] [2022-11-26 00:20:49,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:50,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:50,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796582030] [2022-11-26 00:20:50,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796582030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:50,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:50,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:50,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023596702] [2022-11-26 00:20:50,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:50,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:50,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:50,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:50,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:50,528 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:51,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:51,150 INFO L93 Difference]: Finished difference Result 75 states and 104 transitions. [2022-11-26 00:20:51,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:51,151 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:51,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:51,151 INFO L225 Difference]: With dead ends: 75 [2022-11-26 00:20:51,151 INFO L226 Difference]: Without dead ends: 75 [2022-11-26 00:20:51,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:20:51,152 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 52 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:51,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 4 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:20:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-26 00:20:51,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2022-11-26 00:20:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2022-11-26 00:20:51,153 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 19 [2022-11-26 00:20:51,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:51,154 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2022-11-26 00:20:51,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-26 00:20:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:51,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:51,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:51,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-11-26 00:20:51,154 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1728858937, now seen corresponding path program 33 times [2022-11-26 00:20:51,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:51,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088428072] [2022-11-26 00:20:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:51,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:52,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:52,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088428072] [2022-11-26 00:20:52,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088428072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:52,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:52,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:52,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403817796] [2022-11-26 00:20:52,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:52,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:52,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:52,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:52,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:52,039 INFO L87 Difference]: Start difference. First operand 59 states and 84 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:52,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:52,640 INFO L93 Difference]: Finished difference Result 73 states and 101 transitions. [2022-11-26 00:20:52,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:20:52,640 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:52,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:52,641 INFO L225 Difference]: With dead ends: 73 [2022-11-26 00:20:52,641 INFO L226 Difference]: Without dead ends: 61 [2022-11-26 00:20:52,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:20:52,641 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 47 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:52,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 4 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:52,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-26 00:20:52,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 47. [2022-11-26 00:20:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 46 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2022-11-26 00:20:52,642 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 19 [2022-11-26 00:20:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:52,642 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2022-11-26 00:20:52,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2022-11-26 00:20:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:52,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:52,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:52,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-11-26 00:20:52,643 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:52,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:52,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1481875140, now seen corresponding path program 36 times [2022-11-26 00:20:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:52,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020296837] [2022-11-26 00:20:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:53,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:53,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020296837] [2022-11-26 00:20:53,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020296837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:53,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:53,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:53,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392877516] [2022-11-26 00:20:53,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:53,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:53,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:53,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:53,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:53,477 INFO L87 Difference]: Start difference. First operand 47 states and 66 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:54,159 INFO L93 Difference]: Finished difference Result 71 states and 98 transitions. [2022-11-26 00:20:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:20:54,159 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:54,159 INFO L225 Difference]: With dead ends: 71 [2022-11-26 00:20:54,160 INFO L226 Difference]: Without dead ends: 71 [2022-11-26 00:20:54,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:20:54,160 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 66 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:54,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 2 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-26 00:20:54,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 55. [2022-11-26 00:20:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2022-11-26 00:20:54,161 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 19 [2022-11-26 00:20:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:54,161 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2022-11-26 00:20:54,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-26 00:20:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:54,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:54,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:54,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-11-26 00:20:54,162 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1481875141, now seen corresponding path program 34 times [2022-11-26 00:20:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:54,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541520262] [2022-11-26 00:20:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:55,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:55,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541520262] [2022-11-26 00:20:55,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541520262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:55,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:55,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929765440] [2022-11-26 00:20:55,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:55,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:55,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:55,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:55,063 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:55,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:55,693 INFO L93 Difference]: Finished difference Result 69 states and 95 transitions. [2022-11-26 00:20:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:20:55,694 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:55,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:55,694 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:20:55,694 INFO L226 Difference]: Without dead ends: 58 [2022-11-26 00:20:55,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:20:55,694 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 48 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:55,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-26 00:20:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2022-11-26 00:20:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 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) [2022-11-26 00:20:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2022-11-26 00:20:55,696 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 19 [2022-11-26 00:20:55,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:55,696 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2022-11-26 00:20:55,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-26 00:20:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:55,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:55,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:55,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-11-26 00:20:55,697 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:55,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:55,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1991469290, now seen corresponding path program 37 times [2022-11-26 00:20:55,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:55,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536089391] [2022-11-26 00:20:55,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:55,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:56,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:56,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536089391] [2022-11-26 00:20:56,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536089391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:56,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:56,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909109582] [2022-11-26 00:20:56,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:56,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:56,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:56,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:56,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:56,595 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:57,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:57,129 INFO L93 Difference]: Finished difference Result 56 states and 76 transitions. [2022-11-26 00:20:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:20:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:57,129 INFO L225 Difference]: With dead ends: 56 [2022-11-26 00:20:57,129 INFO L226 Difference]: Without dead ends: 56 [2022-11-26 00:20:57,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:20:57,130 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 50 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:57,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 2 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-26 00:20:57,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2022-11-26 00:20:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2022-11-26 00:20:57,131 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 19 [2022-11-26 00:20:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:57,132 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2022-11-26 00:20:57,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-11-26 00:20:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:57,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:57,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:57,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-11-26 00:20:57,132 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:57,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:57,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1991469289, now seen corresponding path program 35 times [2022-11-26 00:20:57,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:57,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916928060] [2022-11-26 00:20:57,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:57,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:57,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:57,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916928060] [2022-11-26 00:20:57,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916928060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:57,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:57,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:20:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478265863] [2022-11-26 00:20:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:57,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:20:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:57,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:20:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:20:57,950 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:58,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:58,444 INFO L93 Difference]: Finished difference Result 54 states and 73 transitions. [2022-11-26 00:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:20:58,445 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:58,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:58,445 INFO L225 Difference]: With dead ends: 54 [2022-11-26 00:20:58,445 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:20:58,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:20:58,445 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 33 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:58,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:20:58,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:20:58,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-26 00:20:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 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) [2022-11-26 00:20:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2022-11-26 00:20:58,447 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 19 [2022-11-26 00:20:58,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:58,447 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2022-11-26 00:20:58,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2022-11-26 00:20:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:58,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:58,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:58,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-11-26 00:20:58,448 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:58,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash -193455528, now seen corresponding path program 38 times [2022-11-26 00:20:58,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:58,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373408160] [2022-11-26 00:20:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:58,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:58,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:58,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373408160] [2022-11-26 00:20:58,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373408160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:58,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:58,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:20:58,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592460899] [2022-11-26 00:20:58,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:58,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:20:58,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:58,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:20:58,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:20:58,951 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:59,446 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2022-11-26 00:20:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:20:59,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:20:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:59,447 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:20:59,447 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 00:20:59,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:20:59,447 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:59,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 0 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 00:20:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-26 00:20:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2022-11-26 00:20:59,448 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 19 [2022-11-26 00:20:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:59,448 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2022-11-26 00:20:59,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-11-26 00:20:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:20:59,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:59,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:59,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-11-26 00:20:59,449 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:20:59,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash -193455527, now seen corresponding path program 36 times [2022-11-26 00:20:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:59,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379563545] [2022-11-26 00:20:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:59,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:00,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:00,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379563545] [2022-11-26 00:21:00,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379563545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:00,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:00,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:21:00,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135206851] [2022-11-26 00:21:00,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:00,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:21:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:21:00,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:00,116 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:00,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:00,891 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-11-26 00:21:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:21:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:00,892 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:21:00,892 INFO L226 Difference]: Without dead ends: 35 [2022-11-26 00:21:00,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:21:00,892 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:00,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 0 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:00,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-26 00:21:00,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-26 00:21:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 34 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) [2022-11-26 00:21:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2022-11-26 00:21:00,894 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 19 [2022-11-26 00:21:00,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:00,894 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2022-11-26 00:21:00,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-26 00:21:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:00,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:00,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:00,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-11-26 00:21:00,895 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:00,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash -191956368, now seen corresponding path program 39 times [2022-11-26 00:21:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:00,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132663285] [2022-11-26 00:21:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:01,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:01,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132663285] [2022-11-26 00:21:01,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132663285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:01,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:01,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:21:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352185304] [2022-11-26 00:21:01,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:01,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:21:01,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:01,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:21:01,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:21:01,401 INFO L87 Difference]: Start difference. First operand 35 states and 47 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:01,860 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2022-11-26 00:21:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:21:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:01,860 INFO L225 Difference]: With dead ends: 48 [2022-11-26 00:21:01,860 INFO L226 Difference]: Without dead ends: 48 [2022-11-26 00:21:01,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:21:01,861 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:01,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 0 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:01,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-26 00:21:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2022-11-26 00:21:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2022-11-26 00:21:01,862 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 19 [2022-11-26 00:21:01,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:01,862 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2022-11-26 00:21:01,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-11-26 00:21:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:01,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:01,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:01,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-11-26 00:21:01,863 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:01,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:01,864 INFO L85 PathProgramCache]: Analyzing trace with hash -191956367, now seen corresponding path program 37 times [2022-11-26 00:21:01,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:01,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178005103] [2022-11-26 00:21:01,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:01,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:02,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:02,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178005103] [2022-11-26 00:21:02,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178005103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:02,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:02,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:21:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393519725] [2022-11-26 00:21:02,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:02,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:21:02,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:02,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:21:02,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:02,523 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:03,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:03,388 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2022-11-26 00:21:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:21:03,389 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:03,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:03,389 INFO L225 Difference]: With dead ends: 46 [2022-11-26 00:21:03,389 INFO L226 Difference]: Without dead ends: 33 [2022-11-26 00:21:03,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:21:03,389 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:03,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 0 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-26 00:21:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-26 00:21:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2022-11-26 00:21:03,391 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 19 [2022-11-26 00:21:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:03,391 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-11-26 00:21:03,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-11-26 00:21:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:03,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:03,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:03,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-11-26 00:21:03,392 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:03,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:03,392 INFO L85 PathProgramCache]: Analyzing trace with hash -438940164, now seen corresponding path program 40 times [2022-11-26 00:21:03,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:03,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887602872] [2022-11-26 00:21:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:03,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:04,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:04,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887602872] [2022-11-26 00:21:04,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887602872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:04,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:04,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:21:04,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910599037] [2022-11-26 00:21:04,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:04,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:21:04,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:04,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:21:04,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:21:04,019 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:04,513 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2022-11-26 00:21:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:21:04,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:04,522 INFO L225 Difference]: With dead ends: 43 [2022-11-26 00:21:04,522 INFO L226 Difference]: Without dead ends: 43 [2022-11-26 00:21:04,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:21:04,525 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 107 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:04,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 0 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-26 00:21:04,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-26 00:21:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-11-26 00:21:04,533 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 19 [2022-11-26 00:21:04,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:04,534 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2022-11-26 00:21:04,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-11-26 00:21:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:04,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:04,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:04,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-11-26 00:21:04,537 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:04,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:04,537 INFO L85 PathProgramCache]: Analyzing trace with hash -438940163, now seen corresponding path program 38 times [2022-11-26 00:21:04,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:04,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281549217] [2022-11-26 00:21:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:04,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:05,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:05,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281549217] [2022-11-26 00:21:05,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281549217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:05,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:05,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:21:05,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559991279] [2022-11-26 00:21:05,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:05,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:21:05,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:21:05,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:05,269 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:05,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:05,998 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2022-11-26 00:21:05,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:21:05,999 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:05,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:05,999 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:21:05,999 INFO L226 Difference]: Without dead ends: 30 [2022-11-26 00:21:06,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:21:06,000 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:06,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 0 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:06,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-26 00:21:06,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-26 00:21:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-26 00:21:06,001 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 19 [2022-11-26 00:21:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:06,002 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-26 00:21:06,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-26 00:21:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:06,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:06,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:06,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-11-26 00:21:06,002 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:06,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 382682702, now seen corresponding path program 41 times [2022-11-26 00:21:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:06,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198805584] [2022-11-26 00:21:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:06,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:06,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198805584] [2022-11-26 00:21:06,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198805584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:06,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:06,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:21:06,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008124587] [2022-11-26 00:21:06,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:06,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:21:06,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:06,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:21:06,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:06,731 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:07,438 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-11-26 00:21:07,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:21:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:07,439 INFO L225 Difference]: With dead ends: 28 [2022-11-26 00:21:07,439 INFO L226 Difference]: Without dead ends: 28 [2022-11-26 00:21:07,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:21:07,439 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 108 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:07,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 0 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:21:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-26 00:21:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-26 00:21:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 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) [2022-11-26 00:21:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-26 00:21:07,440 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 19 [2022-11-26 00:21:07,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:07,440 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-26 00:21:07,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-26 00:21:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:21:07,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:07,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:07,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-11-26 00:21:07,441 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-26 00:21:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:07,441 INFO L85 PathProgramCache]: Analyzing trace with hash 382682703, now seen corresponding path program 39 times [2022-11-26 00:21:07,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:07,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047332861] [2022-11-26 00:21:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:21:08,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:08,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047332861] [2022-11-26 00:21:08,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047332861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:08,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:08,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:21:08,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592872826] [2022-11-26 00:21:08,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:08,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:21:08,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:21:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:21:08,177 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:08,698 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-11-26 00:21:08,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:21:08,699 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-26 00:21:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:08,699 INFO L225 Difference]: With dead ends: 26 [2022-11-26 00:21:08,699 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:21:08,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:21:08,699 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:08,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 0 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:21:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:21:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:21:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:21:08,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-26 00:21:08,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:08,700 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:21:08,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:21:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:21:08,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:21:08,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-11-26 00:21:08,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-11-26 00:21:08,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-26 00:21:08,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-26 00:21:08,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-26 00:21:08,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-26 00:21:08,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-26 00:21:08,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-26 00:21:08,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-11-26 00:21:08,707 INFO L445 BasicCegarLoop]: Path program histogram: [41, 39, 10, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:08,711 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 00:21:08,711 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:21:08,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:21:08 BasicIcfg [2022-11-26 00:21:08,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:21:08,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:21:08,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:21:08,714 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:21:08,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:44" (3/4) ... [2022-11-26 00:21:08,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:21:08,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-26 00:21:08,725 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-26 00:21:08,725 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-26 00:21:08,725 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:21:08,726 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:21:08,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:21:08,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:21:08,766 INFO L158 Benchmark]: Toolchain (without parser) took 266303.77ms. Allocated memory was 172.0MB in the beginning and 572.5MB in the end (delta: 400.6MB). Free memory was 122.6MB in the beginning and 485.3MB in the end (delta: -362.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,766 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 172.0MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:21:08,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1167.45ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 136.4MB in the end (delta: -13.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.61ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 136.4MB in the beginning and 237.0MB in the end (delta: -100.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,767 INFO L158 Benchmark]: Boogie Preprocessor took 65.13ms. Allocated memory is still 270.5MB. Free memory was 237.0MB in the beginning and 233.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,767 INFO L158 Benchmark]: RCFGBuilder took 852.29ms. Allocated memory is still 270.5MB. Free memory was 233.9MB in the beginning and 205.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,767 INFO L158 Benchmark]: TraceAbstraction took 264023.75ms. Allocated memory was 270.5MB in the beginning and 572.5MB in the end (delta: 302.0MB). Free memory was 204.5MB in the beginning and 489.5MB in the end (delta: -285.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,767 INFO L158 Benchmark]: Witness Printer took 52.15ms. Allocated memory is still 572.5MB. Free memory was 489.5MB in the beginning and 485.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:21:08,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 172.0MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1167.45ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 136.4MB in the end (delta: -13.8MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.61ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 136.4MB in the beginning and 237.0MB in the end (delta: -100.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.13ms. Allocated memory is still 270.5MB. Free memory was 237.0MB in the beginning and 233.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 852.29ms. Allocated memory is still 270.5MB. Free memory was 233.9MB in the beginning and 205.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 264023.75ms. Allocated memory was 270.5MB in the beginning and 572.5MB in the end (delta: 302.0MB). Free memory was 204.5MB in the beginning and 489.5MB in the end (delta: -285.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 52.15ms. Allocated memory is still 572.5MB. Free memory was 489.5MB in the beginning and 485.3MB 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: 62.8s, 173 PlacesBefore, 40 PlacesAfterwards, 173 TransitionsBefore, 37 TransitionsAfterwards, 3900 CoEnabledTransitionPairs, 7 FixpointIterations, 84 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 26 ConcurrentYvCompositions, 3 ChoiceCompositions, 180 TotalNumberOfCompositions, 10285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4409, independent: 4099, independent conditional: 0, independent unconditional: 4099, dependent: 188, dependent conditional: 0, dependent unconditional: 188, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2845, independent: 2768, independent conditional: 0, independent unconditional: 2768, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2845, independent: 2742, independent conditional: 0, independent unconditional: 2742, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49819, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 768, dependent conditional: 0, dependent unconditional: 768, unknown: 48834, unknown conditional: 0, unknown unconditional: 48834] ], Cache Queries: [ total: 4409, independent: 1331, independent conditional: 0, independent unconditional: 1331, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 2944, unknown conditional: 0, unknown unconditional: 2944] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 13, Unknown conditional cache size: 0, Unknown unconditional cache size: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 263.9s, OverallIterations: 131, TraceHistogramMax: 1, PathProgramHistogramMax: 41, EmptinessCheckTime: 0.1s, AutomataDifference: 103.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 62.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10808 SdHoareTripleChecker+Valid, 46.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10808 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 41.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 2464 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38617 IncrementalHoareTripleChecker+Invalid, 41081 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2464 mSolverCounterUnsat, 171 mSDtfsCounter, 38617 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2636 GetRequests, 104 SyntacticMatches, 19 SemanticMatches, 2513 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6467 ImplicationChecksByTransitivity, 78.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=745occurred in iteration=10, InterpolantAutomatonStates: 1727, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 131 MinimizatonAttempts, 4855 StatesRemovedByMinimization, 112 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 91.5s InterpolantComputationTime, 2106 NumberOfCodeBlocks, 2106 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 1975 ConstructedInterpolants, 0 QuantifiedInterpolants, 41962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 131 InterpolantComputations, 131 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 00:21:08,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2f8699-22ce-4dae-9747-21b814995595/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE